Tartu weather in August

In August, Tartu sees average daytime highs of 21°C and overnight lows near 12°C, with 75 mm of rain across 12.8 wet days and about 15.1 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 20% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 18 min at the start of August to 13 h 54 min by month's end. Set against the rest of the year, August is Tartu's 4th-clearest and 11th-windiest month. For the whole year in context, see Tartu's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
12°
11th coldest
Rainfall
75 mm
12.8 wet days
Daylight
15 h 06 min
4:43 AM – 7:52 PM
Cloud cover
66%
4th clearest
Wind
13 km/h
11th windiest
Solar energy
4.23 kWh/m²
Travel score
5.9
out of 10

Tartu is second most populous city in Estonia.

Air quality
Good
PM2.5 5.4 µg/m³ · 2019
Density
2,346/km²
people per km²
Founded
1030

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 19°C by the end.

A typical August day in Tartu reaches about 21°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, August runs about 1°C cooler than July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52213
62213
72213
82213
92213
102213
112113
122113
132113
142113
152112
162112
172112
182112
192012
202012
212012
222012
232012
242012
252011
261911
271911
281911
291911
301911
311911

How August really feels in Tartu

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.

Tartu weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -6°4010.49.66.80.0
Feb-2° / -7°358.88.28.90.0
Mar / -4°359611.40.0
Apr10° / 399.62.1142.1
May16° / 5310.60.116.44.9
Jun20° / 11°8413.2017.85.6
Jul22° / 14°6812.3017.36.3
Aug21° / 12°7512.8015.15.9
Sep16° / 5010.3012.54.5
Oct / 5811.21.19.91.6
Nov / -1°5010.74.67.50.0
Dec-0° / -4°4410.88.36.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34456
44456
54357
64258
74258
84159
94060
104060
113961
123961
133961
143961
153961
163961
173763
183763
193763
203763
213664
223664
233664
243466
253466
263466
273367
283367
293268
303268
313268

Chance of precipitation in August

Any precipitation

Tartu gets around 75 mm of rain over 12.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
239
339
440
540
641
741
841
942
1042
1142
1242
1343
1443
1543
1643
1743
1843
1943
2042
2142
2242
2342
2442
2542
2641
2741
2841
2940
3040
3139

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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13643184
23643174
33743173
43843163
53943162
64043152
74143152
84242142
94342141
104441141
114541131
124640131
134839121
144938111
155038111
165237101
17533791
18543691
19553681
20573571
21583471
22603361
23613261
24623161
25643051
26652951
27682840
28692740
29702640
30722530
31742330

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light 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 August

DaylightNight

Daylight runs from about 16 h 18 min at the start of August to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 144 minutes over August. Sunrise moves from 4:10 AM to 5:16 AM, and sunset from 8:28 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.34:108:28
216.24:128:26
316.24:148:24
416.14:168:22
516.04:188:19
615.94:218:17
715.94:238:15
815.84:258:12
915.74:278:10
1015.64:298:07
1115.64:328:05
1215.54:348:02
1315.44:368:00
1415.34:387:57
1515.24:407:54
1615.14:437:52
1715.14:457:49
1815.04:477:46
1914.94:497:44
2014.84:527:41
2114.74:547:38
2214.74:567:35
2314.64:587:33
2414.55:017:30
2514.45:037:27
2614.35:057:24
2714.25:077:21
2814.15:107:18
2914.15:127:16
3014.05:147:13
3113.95:167:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.23 kWh/m².

For context, solar energy here swings from a low near 0.22 kWh/m² to a high of 5.65 kWh/m² in June across the year — August's 4.23 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in August

Is August a good time to visit Tartu?

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

5.9
Sightseeing
2nd-best month of the year
3.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Tartu for sightseeing.

What to pack for Tartu in August

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

In August, Tartu sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Tartu 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 Tartu peaks around June 21 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 21UV 5Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Tartu?

Tartu sits at 58.4°N, 26.7°E, 39 m above sea level, in Estonia. The nearest listed city is Otepää, 38 km away.

OtepääViljandiValgaRakverePskovSlantsyKohtla-JärveValmiera

Topography around Tartu

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

Within 3 km, the terrain around Tartu has only modest variations in elevation — a maximum elevation change of 65 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 292 m.

The land around Tartu is covered by artificial surfaces (37%), trees (34%) and grassland (20%) within 3 km, trees (40%), cropland (34%) and grassland (21%) within 16 km, and trees (53%) within 80 km.

3 km
65 m
16 km
135 m
80 km
292 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Otepää 38 km · Viljandi 66 km · Valga 78 km · Rakvere 110 km · Pskov 113 km · Slantsy 114 km · Kohtla-Järve 117 km · Valmiera 121 km

Estonia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$34,418
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
1.5
per 100k, 2023
Road deaths
4.5
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 561
Religion
none 58%Orthodox 17%Protestant 9%other 3%

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 Tartu (58.3806°, 26.7251°, elevation 39 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).