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Monthly climate in Tallinn, Estonia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tallinn features a humid continental climate (Dfb).Temperatures typically range between -2 °C (28 °F) and 18 °C (65 °F) through the year, but rarely can drop to -21 °C (-6 °F) or can rise to as high as 30 °C (87 °F).The average annual precipitation amounts to about 755 mm (29.7 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Tallinn enjoys an average of 3376 hours of sunshine throughout the year, and daylight varies from 6 hours 8 minutes to 18 hours 31 minutes per day.

Monthly average temperatures in Tallinn, Estonia §

The warmest months in Tallinn are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (60 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (28 - 32 °F) throughout the day. On average each year, Tallinn experiences 8 days above 25 °C (77.0 °F) and 91 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tallinn, Estonia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 8°C
(46°F)		 7°C
(44°F)		 10°C
(51°F)		 18°C
(65°F)		 24°C
(75°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 24°C
(75°F)		 17°C
(64°F)		 13°C
(55°F)		 7°C
(46°F)
Mean maximum 5°C
(41°F)		 5°C
(41°F)		 8°C
(47°F)		 15°C
(59°F)		 22°C
(71°F)		 23°C
(74°F)		 27°C
(80°F)		 25°C
(77°F)		 22°C
(72°F)		 16°C
(60°F)		 11°C
(52°F)		 6°C
(43°F)
Average high 0°C
(33°F)		 -0°C
(32°F)		 3°C
(37°F)		 7°C
(45°F)		 13°C
(56°F)		 19°C
(66°F)		 21°C
(70°F)		 20°C
(68°F)		 16°C
(60°F)		 10°C
(50°F)		 6°C
(42°F)		 1°C
(35°F)
Daily mean -1°C
(30°F)		 -2°C
(28°F)		 0°C
(33°F)		 4°C
(40°F)		 10°C
(50°F)		 16°C
(60°F)		 18°C
(65°F)		 17°C
(63°F)		 13°C
(55°F)		 8°C
(47°F)		 4°C
(40°F)		 -0°C
(32°F)
Average low -3°C
(27°F)		 -4°C
(25°F)		 -2°C
(28°F)		 1°C
(35°F)		 6°C
(43°F)		 12°C
(53°F)		 15°C
(58°F)		 14°C
(57°F)		 10°C
(51°F)		 6°C
(44°F)		 3°C
(37°F)		 -1°C
(30°F)
Mean minimum -12°C
(11°F)		 -12°C
(11°F)		 -11°C
(12°F)		 -4°C
(25°F)		 0°C
(32°F)		 6°C
(43°F)		 10°C
(51°F)		 9°C
(49°F)		 4°C
(40°F)		 -0°C
(32°F)		 -2°C
(28°F)		 -8°C
(18°F)
Minimum -16°C
(3°F)		 -21°C
(-6°F)		 -18°C
(-0°F)		 -8°C
(18°F)		 -2°C
(29°F)		 5°C
(41°F)		 9°C
(48°F)		 8°C
(47°F)		 3°C
(37°F)		 -2°C
(29°F)		 -5°C
(24°F)		 -17°C
(1°F)

Compare climate in Tallinn with other places

Compare temperature, precipitation, sunshine, UV index in Tallinn, Estonia with other places around the world.

Monthly average precipitation in Tallinn, Estonia §

Tallinn usually has the most precipitation in August, September and October, with an average of 15 rainy days and 93 mm (3.7 inches) of precipitation per month.The driest months in Tallinn are January, March and April. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tallinn, Estonia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 44 (1.7) 48 (1.9) 47 (1.9) 41 (1.6) 54 (2.1) 55 (2.2) 68 (2.7) 102 (4.0) 78 (3.1) 100 (3.9) 58 (2.3) 60 (2.4)
Average precipitation days (≥ 1 mm) 11 11 13 10 9 9 11 15 15 17 13 16

Monthly sunshine hours in Tallinn, Estonia §

The sunniest months in Tallinn are May, June and July, when the sun shines an average of 15 hours 26 minutes a day.Least sunny months in Tallinn: January, November and December receive an average of 2 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tallinn, Estonia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 60 157 267 367 452 487 481 408 303 206 120 64
Mean daily daylight hours 6h 55m 9h 12m 11h 51m 14h 34m 17h 4m 18h 31m 17h 44m 15h 25m 12h 46m 10h 6m 7h 35m 6h 8m

Solar UV radiation in Tallinn, Estonia §

Tallinn experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure.January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Tallinn UV Index data.

Average daily maximum UV levels by month for Tallinn, Estonia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 3 4 5 7 7 5 4 2 1 1