Tomsk weather in August

In August, Tomsk sees average daytime highs of 20°C and overnight lows near 11°C, with 63 mm of rain across 11.9 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 hours at the start of August to 13 h 48 min by month's end. Set against the rest of the year, August is Tomsk's 3rd-clearest and 11th-windiest month. For the whole year in context, see Tomsk's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
63 mm
11.9 wet days
Daylight
14 h 54 min
4:57 AM – 7:52 PM
Cloud cover
65%
3rd clearest
Wind
10 km/h
11th windiest
Solar energy
4.3 kWh/m²
Travel score
6.0
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical August day in Tomsk reaches about 20°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, August runs about 3°C cooler than July and about 7°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32212
42212
52212
62212
72212
82212
92212
102212
112111
122111
132111
142111
152111
162111
172111
182010
192010
202010
212010
222010
231910
24199
25199
26199
27199
28189
29188
30188
31188

How August really feels in Tomsk

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tomsk weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
33961
44060
54060
64159
74060
84060
94060
104060
114060
124060
133862
143862
153862
163763
173763
183664
193664
203466
213466
223466
233367
243367
253169
263169
273169
283070
293169
303070
313070

Chance of precipitation in August

Any precipitation

Tomsk gets around 63 mm of rain over 11.9 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
439
538
638
738
837
937
1037
1136
1236
1336
1436
1537
1637
1737
1838
1938
2039
2139
2239
2340
2440
2540
2640
2740
2840
2940
3040
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14732173
24832173
34932173
45131162
55131162
65330152
75430142
85529142
95729131
105729131
115928121
126028111
136127111
146327100
15652690
16662590
17682480
18702370
19712360
20732250
21752140
22762040
23781930
24791830
25811720
26821620
27841420
28861310
29871210
30881110
3190910

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 hours at the start of August to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over August. Sunrise moves from 4:27 AM to 5:27 AM, and sunset from 8:25 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.04:278:25
215.94:298:23
315.84:318:21
415.84:338:19
515.74:358:17
615.64:368:15
715.64:388:13
815.54:408:11
915.44:428:08
1015.44:448:06
1115.34:468:04
1215.24:488:01
1315.14:517:59
1415.14:537:57
1515.04:557:54
1614.94:577:52
1714.84:597:49
1814.85:017:47
1914.75:037:44
2014.65:057:42
2114.55:077:39
2214.55:097:37
2314.45:117:34
2414.35:137:31
2514.25:157:29
2614.25:177:26
2714.15:197:24
2814.05:217:21
2913.95:237:18
3013.85:257:15
3113.85:277:13

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.3 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 — August's 4.3 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Tomsk?

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

6.0
Sightseeing
3rd-best month of the year
3.4
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Tomsk for sightseeing.

What to pack for Tomsk in August

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

In August, Tomsk sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Tomsk in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).