Tallinn, Estonia Climate & Monthly Averages
The climate of Tallinn
Located in Estonia, Tallinn experiences a oceanic climate with mild temperatures year-round with regular rainfall. Afternoon temperatures peak near 70°F (21°C) in July and dip to about 31°F (-1°C) in January, with around 28.8 inches (731 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 70°F (21°C)
- Coldest month: January - highs near 31°F (-1°C)
- Record high: 90°F (32°C) · Record low: -11°F (-24°C) (2015–2024)
- Wettest month: August (15 rainy days) · Sunniest: June (14.3 h sun/day)
- Climate type: oceanic - mild temperatures year-round with regular rainfall
- Snow: about 32 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 70°F (21°C) and overnight lows stay near 57°F (14°C). The coolest month is January, with typical highs of 31°F (-1°C) and lows around 23°F (-5°C). Based on 2015–2024 weather data, temperatures have reached as high as 90°F (32°C) and dropped as low as -11°F (-24°C).
Rain, sun and snow
August is usually the wettest month. It brings about 3.7 inches (94 mm) of rain over 15 days, while March is the driest. June brings the most sunshine, averaging 14.3 hours of sun a day. Snow falls on about 32 days in a typical year, mostly from November through April.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 31° | 23° | 14 | 2.2 in | 1.6 h/day | 87% |
| February | 33° | 25° | 12 | 1.9 in | 3.4 h/day | 86% |
| March | 38° | 28° | 10 | 1.4 in | 6.6 h/day | 79% |
| April | 47° | 34° | 10 | 1.8 in | 10.1 h/day | 74% |
| May | 59° | 43° | 8 | 1.8 in | 13.2 h/day | 68% |
| June | 68° | 53° | 10 | 2.5 in | 14.3 h/day | 70% |
| July | 70° | 57° | 15 | 3.5 in | 13.4 h/day | 76% |
| August | 69° | 57° | 15 | 3.7 in | 11.3 h/day | 78% |
| September | 61° | 50° | 12 | 2.6 in | 8.5 h/day | 81% |
| October | 49° | 41° | 14 | 2.7 in | 5.2 h/day | 84% |
| November | 40° | 34° | 14 | 2.5 in | 2.2 h/day | 88% |
| December | 34° | 28° | 14 | 2.2 in | 1.3 h/day | 88% |
Tallinn month by month
Tallinn weather in January
January brings highs around 31°F (-1°C), lows near 23°F (-5°C), about 14 wet days and roughly 9 snowy days - typically the coldest month of the year in Tallinn.
Tallinn weather in February
February brings highs around 33°F (0°C), lows near 25°F (-4°C), about 12 wet days and roughly 7 snowy days.
Tallinn weather in March
March brings highs around 38°F (4°C), lows near 28°F (-2°C), about 10 wet days and roughly 4 snowy days - typically the driest month of the year in Tallinn.
Tallinn weather in April
April brings highs around 47°F (8°C), lows near 34°F (1°C), about 10 wet days and roughly 2 snowy days.
Tallinn weather in May
May brings highs around 59°F (15°C), lows near 43°F (6°C), about 8 wet days.
Tallinn weather in June
June brings highs around 68°F (20°C), lows near 53°F (12°C), about 10 wet days - typically the sunniest month of the year in Tallinn.
Tallinn weather in July
July brings highs around 70°F (21°C), lows near 57°F (14°C), about 15 wet days - typically the hottest month of the year in Tallinn.
Tallinn weather in August
August brings highs around 69°F (21°C), lows near 57°F (14°C), about 15 wet days - typically the wettest month of the year in Tallinn.
Tallinn weather in September
September brings highs around 61°F (16°C), lows near 50°F (10°C), about 12 wet days.
Tallinn weather in October
October brings highs around 49°F (10°C), lows near 41°F (5°C), about 14 wet days.
Tallinn weather in November
November brings highs around 40°F (5°C), lows near 34°F (1°C), about 14 wet days and roughly 4 snowy days.
Tallinn weather in December
December brings highs around 34°F (1°C), lows near 28°F (-2°C), about 14 wet days and roughly 6 snowy days.
Seasons in Tallinn
Spring (March through May)
Spring in Tallinn runs cold, with daytime highs averaging 48°F (9°C) and nights around 35°F (1°C); expect showers on roughly 28 days across the season, plus around 6 snowy days.
Summer (June through August)
Summer in Tallinn is pleasantly warm, with daytime highs averaging 69°F (21°C) and nights around 56°F (13°C); expect showers on roughly 40 days across the season.
Fall (September through November)
Fall in Tallinn is brisk and cold, with daytime highs averaging 50°F (10°C) and nights around 42°F (6°C); expect showers on roughly 40 days across the season, plus around 4 snowy days.
Winter (December through February)
Winter in Tallinn is frigid, with daytime highs averaging 32°F (0°C) and nights around 25°F (-4°C); expect showers on roughly 40 days across the season, plus around 22 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Climate questions, answered
What is the average temperature in Tallinn?
Is Tallinn hot in summer?
Is Tallinn cold in winter?
How many rainy days does Tallinn get in a year?
Best time to visit Tallinn
The best time to visit Tallinn is generally May to September, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 66°F (19°C).
Pack for Tallinn with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 57°F (14°C).
Tallinn temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.