Tomsk climate: monthly averages: annual mean temperature -0.2 C; warmest month Jul (18.4 C); coldest month Jan (-20.9 C).
Annual mean temperature: -0.2 C
Warmest month: Jul (18.4 C)
Coldest month: Jan (-20.9 C)
Wettest month: Jul (2.66 mm/day)
All-time record high: 34.1 C
All-time record low: -53.6 C
Tomsk’s long-term climate averages show a cold continental pattern, with an annual mean temperature of **-0.2°C**, swinging from **-20.9°C in January** to **18.4°C in July**. Precipitation totals **602 mm yearly**, peaking in summer at **2.66 mm/day**. Extreme temperatures range from **-53.6°C** (record low) to **34.1°C** (record high), reflecting harsh winters and moderately warm summers.
Annual mean temperature -0.2 C
Warmest month Jul (18.4 C)
Coldest month Jan (-20.9 C)
Wettest month Jul (2.66 mm/day)
All-time record high 34.1 C
All-time record low -53.6 C
Annual precipitation 602 mm / year
Coordinates 56.50049, 84.98216
Population 574,002
Average monthly temperature and rainfall in Tomsk
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
-20.9
0.94
-0.0
-53.6
Feb
-17.5
0.92
0.2
-50.0
Mar
-8.2
1.18
1.4
-33.8
Apr
0.7
1.32
25.8
-24.0
May
9.3
1.97
32.3
-8.7
Jun
16.7
2.19
31.5
-2.3
Jul
18.4
2.66
33.2
4.8
Aug
16.0
1.95
34.1
1.4
Sep
9.3
1.75
28.4
-4.8
Oct
0.7
1.74
19.0
-20.2
Nov
-10.0
1.77
8.1
-42.7
Dec
-18.1
1.39
-0.1
-47.8
What the Tomsk climate table shows
Values are multi-decadal climatological averages for the 56.50049, 84.98216 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
**What’s Tomsk’s wettest month?**?
July, with **2.66 mm/day** of rain, marks the peak precipitation period.
**How does Tomsk’s climate compare to other cold regions?**?
Its winters are severe (avg. **-20.9°C**), but summers (**18.4°C**) are warmer than polar climates.