Climate guideThirty-year normals for Tomsk
Tomsk climate by month
Subarctic · DfcBest Jun–Aug
Annual mean0°day and night
Seasonal swing36°warmest vs coolest
Precipitation708 mm150 wet days a year
56.50° N, 84.98° EElevation 122 mUTC+7 · Krasnoyarsk Standard Time
When to goTomsk · weather score
Best timeJun–Aug
October: high / low4° / -2°
iSummary
What the weather is like
Tomsk has a subarctic climate (Köppen Dfc): warm summers, cold winters and precipitation in every season.
The warmest month is July, when afternoons average 23° and nights 14°. January is the coolest month, with highs of -14° and lows of -20°. The difference between the warmest and the coolest month is about 36°, a large swing typical of continental interiors.
About 708 mm of precipitation falls in an average year. July is the wettest month (92 mm, 15 wet days) and February the driest (30 mm, 9 wet days). Cloud cover ranges from 36% in June to 69% in December.
Compared with Moscow, the capital, Tomsk is 1.9° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 23° · July
- Coldest nights
- -20° · January
- Wettest month
- July
- Driest month
- February
- Clearest skies
- June · 36% cloud
- Longest day
- 17 h 42 min
- Shortest day
- 6 h 53 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | -14° | -11° | -3° | 5° | 15° | 20° | 23° | 20° | 13° | 4° | -6° | -12° |
| Average low | -20° | -18° | -11° | -5° | 4° | 11° | 14° | 11° | 5° | -2° | -12° | -18° |
| Precipitation | 42 mm | 30 mm | 32 mm | 42 mm | 52 mm | 75 mm | 92 mm | 83 mm | 65 mm | 72 mm | 64 mm | 59 mm |
| Wet days (≥1 mm) | 9.3 | 8.8 | 11.2 | 10.2 | 14 | 13.9 | 15.3 | 13.4 | 12.6 | 14.1 | 14.4 | 12.8 |
| Cloud cover | 65% | 60% | 52% | 46% | 39% | 36% | 36% | 37% | 46% | 57% | 67% | 69% |
| Daylight | 7h 29 | 9h 32 | 11h 44 | 14h 12 | 16h 22 | 17h 42 | 17h 10 | 15h 13 | 12h 51 | 10h 30 | 8h 14 | 6h 53 |
| Month score | 21 | 25 | 22 | 27 | 45 | 65 | 65 | 65 | 37 | 14 | 10 | 12 |
ivMonth by month
Tomsk in every month
January21
-14° / -20°
42 mm · 9.3 wet days
February25
-11° / -18°
30 mm · 8.8 wet days
March22
-3° / -11°
32 mm · 11.2 wet days
April27
5° / -5°
42 mm · 10.2 wet days
May45
15° / 4°
52 mm · 14 wet days
June65
20° / 11°
75 mm · 13.9 wet days
July65
23° / 14°
92 mm · 15.3 wet days
August65
20° / 11°
83 mm · 13.4 wet days
September37
13° / 5°
65 mm · 12.6 wet days
October14
4° / -2°
72 mm · 14.1 wet days
November10
-6° / -12°
64 mm · 14.4 wet days
December12
-12° / -18°
59 mm · 12.8 wet days