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Monthly climate in Saku, Estonia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Saku features a humid continental climate (Dfb). Temperatures typically range between -3 °C (27 °F) and 18 °C (64 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 752 mm (29.6 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Saku enjoys an average of 3329 hours of sunshine throughout the year, and daylight varies from 6 hours 14 minutes to 18 hours 24 minutes per day.

Monthly average temperatures in Saku, Estonia

The warmest months in Saku are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (27 - 31 °F) throughout the day. On average each year, Saku experiences 12 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(46°F)		7°C
(45°F)		12°C
(53°F)		21°C
(70°F)		26°C
(80°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		25°C
(77°F)		18°C
(65°F)		13°C
(55°F)		8°C
(46°F)
Mean maximum5°C
(41°F)		5°C
(41°F)		9°C
(49°F)		17°C
(63°F)		24°C
(75°F)		25°C
(77°F)		28°C
(82°F)		26°C
(79°F)		23°C
(73°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)
Average high-0°C
(32°F)		-1°C
(31°F)		3°C
(38°F)		9°C
(48°F)		15°C
(58°F)		20°C
(69°F)		22°C
(71°F)		20°C
(69°F)		16°C
(61°F)		10°C
(50°F)		5°C
(42°F)		1°C
(34°F)
Daily mean-2°C
(29°F)		-3°C
(27°F)		0°C
(32°F)		5°C
(41°F)		10°C
(51°F)		16°C
(61°F)		18°C
(64°F)		16°C
(62°F)		12°C
(55°F)		8°C
(46°F)		4°C
(39°F)		-1°C
(31°F)
Average low-4°C
(25°F)		-5°C
(23°F)		-3°C
(26°F)		1°C
(33°F)		5°C
(41°F)		11°C
(52°F)		13°C
(56°F)		13°C
(55°F)		9°C
(49°F)		5°C
(42°F)		2°C
(35°F)		-2°C
(28°F)
Mean minimum-14°C
(7°F)		-15°C
(5°F)		-14°C
(7°F)		-6°C
(21°F)		-2°C
(29°F)		5°C
(41°F)		8°C
(47°F)		7°C
(44°F)		2°C
(36°F)		-2°C
(28°F)		-5°C
(24°F)		-11°C
(13°F)
Minimum-20°C
(-4°F)		-26°C
(-14°F)		-22°C
(-8°F)		-9°C
(17°F)		-4°C
(25°F)		2°C
(36°F)		7°C
(45°F)		5°C
(42°F)		1°C
(33°F)		-4°C
(24°F)		-7°C
(20°F)		-23°C
(-9°F)

Compare climate in Saku with other places

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

Monthly average precipitation in Saku, Estonia

Saku usually has the most precipitation in July, August and October, with an average of 14 rainy days and 90 mm (3.6 inches) of precipitation per month. The driest months in Saku are January, February and April. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.7)47 (1.9)48 (1.9)44 (1.7)57 (2.2)63 (2.5)74 (2.9)106 (4.2)73 (2.9)91 (3.6)53 (2.1)55 (2.2)
Average precipitation days (≥ 1 mm)11101210910121514151214

Monthly sunshine hours in Saku, Estonia

The sunniest months in Saku are May, June and July, when the sun shines an average of 15 hours 15 minutes a day. Least sunny months in Saku: January, November and December receive an average of 2 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours5814726636144548147640330520511561
Mean daily daylight hours7h 0m9h 14m11h 51m14h 32m16h 59m18h 24m17h 38m15h 22m12h 46m10h 7m7h 39m6h 14m

Solar UV radiation in Saku, Estonia

Saku experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 7, which corresponds to the High category of sun exposure. January, November and December 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 Saku UV Index data.

Average daily maximum UV levels by month for Saku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123457764211