Tomsk weather in January

In January, Tomsk sees average daytime highs of -14°C and overnight lows near -21°C, with 26 mm of precipitation across 7.9 wet days and about 7.2 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -14°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels dry.

Daylight stretches from about 6 h 42 min at the start of January to 8 h 06 min by month's end. Set against the rest of the year, January is Tomsk's 10th-clearest and 3rd-windiest month. For the whole year in context, see Tomsk's year-round climate.

Daytime high
-14°
12th warmest
Overnight low
-21°
1st coldest
Precipitation
26 mm
7.9 wet days
Daylight
7 h 12 min
8:54 AM – 4:05 PM
Cloud cover
85%
10th clearest
Wind
13 km/h
3rd windiest
Solar energy
0.65 kWh/m²
Travel score
0.0
out of 10

Tomsk is city in and administrative center of Tomsk Oblast, Russia.

Density
1,948/km²
people per km²
Founded
1604

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -14°C through the month.

A typical January day in Tomsk reaches about -14°C in the afternoon and slips back to -21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -26°C and -3°C. Set against its neighbours, January runs about 2°C cooler than December and about 4°C cooler than February.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-14-20
2-14-20
3-14-21
4-14-21
5-14-21
6-14-21
7-14-21
8-14-21
9-14-21
10-14-21
11-14-21
12-14-21
13-14-21
14-14-21
15-14-21
16-14-21
17-14-21
18-14-21
19-14-21
20-14-21
21-14-21
22-14-21
23-14-21
24-14-21
25-14-21
26-14-21
27-14-21
28-13-21
29-13-21
30-13-21
31-13-21

How January really feels in Tomsk

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
31 feel bitter (≤ -10°C)

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Tomsk weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-14° / -21°267.910.67.20.0
Feb-10° / -18°206.88.89.10.0
Mar-2° / -11°267.98.611.40.0
Apr / -3°338.54.313.91.0
May15° / 4910.80.916.14.5
Jun21° / 11°5511.2017.36.2
Jul23° / 13°6211.5016.86.6
Aug20° / 11°6311.9014.96.0
Sep14° / 5211.40.212.53.7
Oct / -2°5312.56.410.10.6
Nov-5° / -12°4811.612.57.90.0
Dec-12° / -18°3911.4146.70.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 85%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51189
61090
71090
81090
91090
101090
111090
121090
131090
141189
151288
161288
171288
181387
191486
201585
211585
221882
231882
241981
252080
262179
272377
282377
292377
302377
312377

Chance of precipitation in January

Any precipitationSnow

Tomsk gets around 26 mm of rain and snow over 7.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 26% and peaks near 33% on the wettest days, and about 11 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13343
23343
33242
43142
53141
63041
73040
82940
92939
102839
112839
122738
132738
142738
152737
162637
172636
182636
192535
202534
212433
222432
232331
242229
252128
262027
272026
281926
291925
301925
311925

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 6 h 42 min at the start of January to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over January. Sunrise moves from 9:04 AM to 8:32 AM, and sunset from 3:43 PM to 4:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.79:043:43
26.79:033:44
36.79:033:45
46.79:033:46
56.89:023:48
66.89:023:49
76.89:013:50
86.99:013:52
96.99:003:53
106.98:593:55
117.08:593:56
127.08:583:58
137.08:574:00
147.18:564:01
157.18:554:03
167.28:544:05
177.28:534:07
187.38:514:09
197.38:504:11
207.48:494:12
217.48:484:14
227.58:464:16
237.68:454:18
247.68:434:20
257.78:424:22
267.78:404:24
277.88:394:27
287.98:374:29
297.98:354:31
308.08:344:33
318.18:324:35

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.65 kWh/m².

For context, solar energy here swings from a low near 0.41 kWh/m² to a high of 5.92 kWh/m² in June across the year — January's 0.65 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.5Dim
30.5Dim
40.5Dim
50.5Dim
60.5Dim
70.5Dim
80.5Dim
90.5Dim
100.5Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
301.0Dim
311.0Dim
Planning a trip in January

Is January a good time to visit Tomsk?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Tomsk.

What to pack for Tomsk in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Tomsk sees daytime highs around -14°C and nights near -21°C. Pack a warm layer and a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Tomsk in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tomsk peaks around July 10 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 10UV 6Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low

Air quality in Tomsk in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Tomsk is worst in April — around 18 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (December, 4 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodApr 1717 µg/m³Dec 164 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb8Good
Mar9Good
Apr18Moderate
May11Good
Jun10Good
Jul15Moderate
Aug9Good
Sep7Good
Oct7Good
Nov5Good
Dec4Good
Location & terrain

Where is Tomsk?

Tomsk sits at 56.5°N, 85.0°E, 122 m above sea level, in Russia. The nearest listed city is Seversk, 13 km away.

Topography around Tomsk

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tomsk.

Within 3 km, the terrain around Tomsk has only modest variations in elevation — a maximum elevation change of 105 m around an average of 112 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 146 m; within 80 km, only modest variations in elevation — a maximum elevation change of 239 m.

The land around Tomsk is covered by artificial surfaces (64%) and trees (28%) within 3 km, trees (61%) within 16 km, and trees (77%) within 80 km.

3 km
105 m
16 km
146 m
80 km
239 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Seversk 13 km · Tayga 62 km · Yashkino 75 km · Anzhero-Sudzhensk 80 km · Yurga 87 km · Asino 90 km · Bolotnoye 99 km · Berëzovskiy 122 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tomsk (56.5005°, 84.9822°, elevation 122 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).