Building climatology
Reference data from SP 131.13330.2020
MoscowZone II
Moscow Oblast
4943
HDD
Design temperatures
Winter design temp.-25°C
Coldest day-32°C
January mean-7.8°C
Annual mean+5.8°C
Heating season
214
Duration (days)
-2.2°C
Mean temperature
4.9 m/s(Jan)
77%Humidity
Saint PetersburgZone II
Leningrad Oblast
4796
HDD
Design temperatures
Winter design temp.-24°C
Coldest day-30°C
January mean-5.8°C
Annual mean+5.8°C
Heating season
220
Duration (days)
-1.3°C
Mean temperature
4.2 m/s(Jan)
79%Humidity
VoronezhZone II
Voronezh Oblast
4528
HDD
Design temperatures
Winter design temp.-24°C
Coldest day-28°C
January mean-8.1°C
Annual mean+6°C
Heating season
196
Duration (days)
-3.1°C
Mean temperature
4.2 m/s(Jan)
76%Humidity
BelgorodZone II
Belgorod Oblast
4183
HDD
Design temperatures
Winter design temp.-23°C
Coldest day-27°C
January mean-6.1°C
Annual mean+6.3°C
Heating season
191
Duration (days)
-1.9°C
Mean temperature
4.8 m/s(Jan)
81%Humidity
BryanskZone II
Bryansk Oblast
4547
HDD
Design temperatures
Winter design temp.-24°C
Coldest day-28°C
January mean-6.9°C
Annual mean+5.4°C
Heating season
203
Duration (days)
-2.4°C
Mean temperature
3.7 m/s(Jan)
82%Humidity
VladimirZone II
Vladimir Oblast
5076
HDD
Design temperatures
Winter design temp.-28°C
Coldest day-33°C
January mean-9.2°C
Annual mean+4.2°C
Heating season
216
Duration (days)
-3.5°C
Mean temperature
3.8 m/s(Jan)
80%Humidity
IvanovoZone II
Ivanovo Oblast
5234
HDD
Design temperatures
Winter design temp.-29°C
Coldest day-34°C
January mean-9.9°C
Annual mean+3.7°C
Heating season
219
Duration (days)
-3.9°C
Mean temperature
4.1 m/s(Jan)
81%Humidity
KalugaZone II
Kaluga Oblast
4788
HDD
Design temperatures
Winter design temp.-26°C
Coldest day-31°C
January mean-7.8°C
Annual mean+5°C
Heating season
210
Duration (days)
-2.8°C
Mean temperature
3.9 m/s(Jan)
80%Humidity
KostromaZone II
Kostroma Oblast
5419
HDD
Design temperatures
Winter design temp.-30°C
Coldest day-35°C
January mean-10.7°C
Annual mean+3.3°C
Heating season
223
Duration (days)
-4.3°C
Mean temperature
4.6 m/s(Jan)
81%Humidity
KurskZone II
Kursk Oblast
4371
HDD
Design temperatures
Winter design temp.-24°C
Coldest day-28°C
January mean-6.8°C
Annual mean+5.9°C
Heating season
196
Duration (days)
-2.3°C
Mean temperature
4.5 m/s(Jan)
82%Humidity
LipetskZone II
Lipetsk Oblast
4707
HDD
Design temperatures
Winter design temp.-26°C
Coldest day-31°C
January mean-8.6°C
Annual mean+5.5°C
Heating season
202
Duration (days)
-3.3°C
Mean temperature
4.7 m/s(Jan)
79%Humidity
OryolZone II
Oryol Oblast
4585
HDD
Design temperatures
Winter design temp.-25°C
Coldest day-29°C
January mean-7.5°C
Annual mean+5.3°C
Heating season
202
Duration (days)
-2.7°C
Mean temperature
4.6 m/s(Jan)
82%Humidity
RyazanZone II
Ryazan Oblast
4846
HDD
Design temperatures
Winter design temp.-26°C
Coldest day-31°C
January mean-8.8°C
Annual mean+5°C
Heating season
208
Duration (days)
-3.3°C
Mean temperature
4.6 m/s(Jan)
80%Humidity
SmolenskZone II
Smolensk Oblast
4662
HDD
Design temperatures
Winter design temp.-25°C
Coldest day-30°C
January mean-7°C
Annual mean+5.1°C
Heating season
210
Duration (days)
-2.2°C
Mean temperature
4.2 m/s(Jan)
83%Humidity
TambovZone II
Tambov Oblast
4855
HDD
Design temperatures
Winter design temp.-27°C
Coldest day-32°C
January mean-9.3°C
Annual mean+5.2°C
Heating season
204
Duration (days)
-3.8°C
Mean temperature
4.8 m/s(Jan)
80%Humidity
TverZone II
Tver Oblast
5014
HDD
Design temperatures
Winter design temp.-28°C
Coldest day-33°C
January mean-8.7°C
Annual mean+4.3°C
Heating season
218
Duration (days)
-3°C
Mean temperature
3.9 m/s(Jan)
81%Humidity
TulaZone II
Tula Oblast
4786
HDD
Design temperatures
Winter design temp.-26°C
Coldest day-31°C
January mean-8.1°C
Annual mean+5°C
Heating season
209
Duration (days)
-2.9°C
Mean temperature
4.2 m/s(Jan)
80%Humidity
YaroslavlZone II
Yaroslavl Oblast
5216
HDD
Design temperatures
Winter design temp.-29°C
Coldest day-35°C
January mean-10.8°C
Annual mean+3.6°C
Heating season
221
Duration (days)
-3.6°C
Mean temperature
4.5 m/s(Jan)
78%Humidity
Rostov-on-DonZone III
Rostov Oblast
3319
HDD
Design temperatures
Winter design temp.-19°C
Coldest day-25°C
January mean-3°C
Annual mean+9.9°C
Heating season
171
Duration (days)
0.6°C
Mean temperature
5.8 m/s(Jan)
72%Humidity
KrasnodarZone III
Krasnodar Krai
2608
HDD
Design temperatures
Winter design temp.-14°C
Coldest day-22°C
January mean0.3°C
Annual mean+12.1°C
Heating season
149
Duration (days)
2.5°C
Mean temperature
3.4 m/s(Jan)
71%Humidity
AstrakhanZone III
Astrakhan Oblast
3343
HDD
Design temperatures
Winter design temp.-21°C
Coldest day-26°C
January mean-3.7°C
Annual mean+10.5°C
Heating season
168
Duration (days)
0.1°C
Mean temperature
5.6 m/s(Jan)
75%Humidity
VolgogradZone III
Volgograd Oblast
3880
HDD
Design temperatures
Winter design temp.-23°C
Coldest day-29°C
January mean-6.3°C
Annual mean+8.2°C
Heating season
178
Duration (days)
-1.8°C
Mean temperature
5.5 m/s(Jan)
76%Humidity
SochiZone IV
Krasnodar Krai
1286
HDD
Design temperatures
Winter design temp.-3°C
Coldest day-6°C
January mean6.1°C
Annual mean+14.2°C
Heating season
96
Duration (days)
6.6°C
Mean temperature
2.8 m/s(Jan)
72%Humidity
SimferopolZone III
Republic of Crimea
2732
HDD
Design temperatures
Winter design temp.-16°C
Coldest day-23°C
January mean0.2°C
Annual mean+10.8°C
Heating season
157
Duration (days)
2.6°C
Mean temperature
5.2 m/s(Jan)
77%Humidity
SevastopolZone III
Sevastopol
2066
HDD
Design temperatures
Winter design temp.-14°C
Coldest day-20°C
January mean2.8°C
Annual mean+12.2°C
Heating season
135
Duration (days)
4.7°C
Mean temperature
5.5 m/s(Jan)
74%Humidity
Nizhny NovgorodZone II
Nizhny Novgorod Oblast
5009
HDD
Design temperatures
Winter design temp.-28°C
Coldest day-34°C
January mean-8.9°C
Annual mean+4.8°C
Heating season
215
Duration (days)
-3.3°C
Mean temperature
4.6 m/s(Jan)
77%Humidity
KazanZone II
Republic of Tatarstan
5227
HDD
Design temperatures
Winter design temp.-30°C
Coldest day-36°C
January mean-10.4°C
Annual mean+4.6°C
Heating season
216
Duration (days)
-4.2°C
Mean temperature
4.7 m/s(Jan)
76%Humidity
SamaraZone II
Samara Oblast
4831
HDD
Design temperatures
Winter design temp.-27°C
Coldest day-33°C
January mean-9.9°C
Annual mean+5.7°C
Heating season
203
Duration (days)
-3.8°C
Mean temperature
4.5 m/s(Jan)
75%Humidity
SaratovZone II
Saratov Oblast
4410
HDD
Design temperatures
Winter design temp.-25°C
Coldest day-30°C
January mean-7.5°C
Annual mean+6.9°C
Heating season
196
Duration (days)
-2.5°C
Mean temperature
4.8 m/s(Jan)
78%Humidity
UfaZone I
Republic of Bashkortostan
5390
HDD
Design temperatures
Winter design temp.-33°C
Coldest day-39°C
January mean-12.4°C
Annual mean+3.8°C
Heating season
213
Duration (days)
-5.3°C
Mean temperature
4.5 m/s(Jan)
76%Humidity
PermZone I
Perm Krai
5862
HDD
Design temperatures
Winter design temp.-34°C
Coldest day-40°C
January mean-12.8°C
Annual mean+2.7°C
Heating season
229
Duration (days)
-5.6°C
Mean temperature
3.8 m/s(Jan)
76%Humidity
OrenburgZone II
Orenburg Oblast
5050
HDD
Design temperatures
Winter design temp.-31°C
Coldest day-37°C
January mean-11.8°C
Annual mean+5.3°C
Heating season
202
Duration (days)
-5°C
Mean temperature
5.3 m/s(Jan)
72%Humidity
PenzaZone II
Penza Oblast
4859
HDD
Design temperatures
Winter design temp.-27°C
Coldest day-32°C
January mean-9.3°C
Annual mean+5.5°C
Heating season
205
Duration (days)
-3.7°C
Mean temperature
4.5 m/s(Jan)
79%Humidity
UlyanovskZone II
Ulyanovsk Oblast
5013
HDD
Design temperatures
Winter design temp.-29°C
Coldest day-34°C
January mean-10.3°C
Annual mean+5°C
Heating season
208
Duration (days)
-4.1°C
Mean temperature
4.6 m/s(Jan)
77%Humidity
KirovZone I
Kirov Oblast
5652
HDD
Design temperatures
Winter design temp.-33°C
Coldest day-38°C
January mean-11.9°C
Annual mean+3.1°C
Heating season
227
Duration (days)
-4.9°C
Mean temperature
4.2 m/s(Jan)
79%Humidity
CheboksaryZone II
Chuvash Republic
5251
HDD
Design temperatures
Winter design temp.-30°C
Coldest day-35°C
January mean-10.4°C
Annual mean+4.3°C
Heating season
217
Duration (days)
-4.2°C
Mean temperature
4.5 m/s(Jan)
77%Humidity
IzhevskZone I
Udmurt Republic
5667
HDD
Design temperatures
Winter design temp.-32°C
Coldest day-38°C
January mean-12.4°C
Annual mean+3°C
Heating season
224
Duration (days)
-5.3°C
Mean temperature
3.9 m/s(Jan)
78%Humidity
YekaterinburgZone I
Sverdlovsk Oblast
5842
HDD
Design temperatures
Winter design temp.-32°C
Coldest day-38°C
January mean-12.6°C
Annual mean+3°C
Heating season
230
Duration (days)
-5.4°C
Mean temperature
3.8 m/s(Jan)
74%Humidity
ChelyabinskZone I
Chelyabinsk Oblast
5559
HDD
Design temperatures
Winter design temp.-29°C
Coldest day-36°C
January mean-14.1°C
Annual mean+3.1°C
Heating season
218
Duration (days)
-5.5°C
Mean temperature
4.2 m/s(Jan)
72%Humidity
TyumenZone I
Tyumen Oblast
6008
HDD
Design temperatures
Winter design temp.-35°C
Coldest day-41°C
January mean-15°C
Annual mean+1.9°C
Heating season
225
Duration (days)
-6.7°C
Mean temperature
3.9 m/s(Jan)
73%Humidity
MagnitogorskZone I
Chelyabinsk Oblast
5569
HDD
Design temperatures
Winter design temp.-31°C
Coldest day-37°C
January mean-14.1°C
Annual mean+3.3°C
Heating season
215
Duration (days)
-5.9°C
Mean temperature
4.8 m/s(Jan)
73%Humidity
KurganZone I
Kurgan Oblast
5927
HDD
Design temperatures
Winter design temp.-34°C
Coldest day-40°C
January mean-15.2°C
Annual mean+2.3°C
Heating season
222
Duration (days)
-6.7°C
Mean temperature
4.3 m/s(Jan)
74%Humidity
SurgutZone I
Khanty-Mansi Autonomous Okrug
7518
HDD
Design temperatures
Winter design temp.-43°C
Coldest day-49°C
January mean-20°C
Annual mean-1.7°C
Heating season
254
Duration (days)
-9.6°C
Mean temperature
4.4 m/s(Jan)
76%Humidity
NizhnevartovskZone I
Khanty-Mansi Autonomous Okrug
7736
HDD
Design temperatures
Winter design temp.-44°C
Coldest day-50°C
January mean-20.9°C
Annual mean-2.6°C
Heating season
257
Duration (days)
-10.1°C
Mean temperature
4.1 m/s(Jan)
77%Humidity
NovosibirskZone I
Novosibirsk Oblast
6463
HDD
Design temperatures
Winter design temp.-37°C
Coldest day-42°C
January mean-16.5°C
Annual mean+1.8°C
Heating season
230
Duration (days)
-8.1°C
Mean temperature
4.1 m/s(Jan)
73%Humidity
KrasnoyarskZone I
Krasnoyarsk Krai
6365
HDD
Design temperatures
Winter design temp.-37°C
Coldest day-44°C
January mean-15.5°C
Annual mean+1.5°C
Heating season
234
Duration (days)
-7.2°C
Mean temperature
3 m/s(Jan)
68%Humidity
OmskZone I
Omsk Oblast
6122
HDD
Design temperatures
Winter design temp.-37°C
Coldest day-42°C
January mean-16.3°C
Annual mean+2.1°C
Heating season
221
Duration (days)
-7.7°C
Mean temperature
4.6 m/s(Jan)
76%Humidity
BarnaulZone I
Altai Krai
5979
HDD
Design temperatures
Winter design temp.-37°C
Coldest day-42°C
January mean-15.5°C
Annual mean+2.6°C
Heating season
219
Duration (days)
-7.3°C
Mean temperature
4.1 m/s(Jan)
74%Humidity
IrkutskZone I
Irkutsk Oblast
6840
HDD
Design temperatures
Winter design temp.-36°C
Coldest day-42°C
January mean-17.8°C
Annual mean+0.9°C
Heating season
240
Duration (days)
-8.5°C
Mean temperature
2.4 m/s(Jan)
72%Humidity
KemerovoZone I
Kemerovo Oblast
6679
HDD
Design temperatures
Winter design temp.-37°C
Coldest day-43°C
January mean-17°C
Annual mean+1.3°C
Heating season
236
Duration (days)
-8.3°C
Mean temperature
3.7 m/s(Jan)
76%Humidity
TomskZone I
Tomsk Oblast
6731
HDD
Design temperatures
Winter design temp.-39°C
Coldest day-44°C
January mean-17.1°C
Annual mean+0.9°C
Heating season
237
Duration (days)
-8.4°C
Mean temperature
3.5 m/s(Jan)
75%Humidity
NovokuznetskZone I
Kemerovo Oblast
6270
HDD
Design temperatures
Winter design temp.-38°C
Coldest day-44°C
January mean-15.2°C
Annual mean+1.8°C
Heating season
228
Duration (days)
-7.5°C
Mean temperature
3.2 m/s(Jan)
74%Humidity
Ulan-UdeZone I
Republic of Buryatia
7144
HDD
Design temperatures
Winter design temp.-36°C
Coldest day-41°C
January mean-23.3°C
Annual mean-0.1°C
Heating season
235
Duration (days)
-10.4°C
Mean temperature
2.6 m/s(Jan)
68%Humidity
ChitaZone I
Zabaykalsky Krai
7599
HDD
Design temperatures
Winter design temp.-38°C
Coldest day-44°C
January mean-25.2°C
Annual mean-1.4°C
Heating season
242
Duration (days)
-11.4°C
Mean temperature
2.8 m/s(Jan)
65%Humidity
VladivostokZone II
Primorsky Krai
4684
HDD
Design temperatures
Winter design temp.-22°C
Coldest day-27°C
January mean-12.3°C
Annual mean+4.9°C
Heating season
196
Duration (days)
-3.9°C
Mean temperature
6.8 m/s(Jan)
62%Humidity
KhabarovskZone I
Khabarovsk Krai
6242
HDD
Design temperatures
Winter design temp.-31°C
Coldest day-36°C
January mean-19.8°C
Annual mean+2.4°C
Heating season
204
Duration (days)
-10.6°C
Mean temperature
3.5 m/s(Jan)
72%Humidity
YakutskZone I
Sakha Republic (Yakutia)
10394
HDD
Design temperatures
Winter design temp.-52°C
Coldest day-57°C
January mean-38.6°C
Annual mean-8.8°C
Heating season
256
Duration (days)
-20.6°C
Mean temperature
1.5 m/s(Jan)
72%Humidity
BlagoveshchenskZone I
Amur Oblast
6437
HDD
Design temperatures
Winter design temp.-33°C
Coldest day-38°C
January mean-21.5°C
Annual mean+1.6°C
Heating season
209
Duration (days)
-10.8°C
Mean temperature
3.4 m/s(Jan)
67%Humidity
MagadanZone I
Magadan Oblast
7779
HDD
Design temperatures
Winter design temp.-33°C
Coldest day-38°C
January mean-16.4°C
Annual mean-2.7°C
Heating season
286
Duration (days)
-7.2°C
Mean temperature
6.5 m/s(Jan)
68%Humidity
Petropavlovsk-KamchatskyZone I
Kamchatka Krai
5853
HDD
Design temperatures
Winter design temp.-21°C
Coldest day-25°C
January mean-7.6°C
Annual mean+1.9°C
Heating season
259
Duration (days)
-2.6°C
Mean temperature
6.8 m/s(Jan)
74%Humidity
Showing: 60 cities
About this reference
This reference holds the climate data used to design heating, ventilation and air conditioning systems. The figures are taken from the current edition of SP 131.13330.2020 "Building climatology".
- Winter design temperature (at 0.92 exceedance) is used for heat-loss calculations and heating plant sizing.
- HDD (heating degree-days) — the primary figure for annual energy use and insulation thickness. Computed against an indoor temperature of 20 °C.
- Humidity zone affects the choice of envelope materials and the dew-point calculation.