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Monthly climate in Orissaare, Estonia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Orissaare features a humid continental climate (Dfb). Temperatures typically range between -1 °C (30 °F) and 19 °C (66 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 658 mm (25.9 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Orissaare enjoys an average of 3468 hours of sunshine throughout the year, and daylight varies from 6 hours 25 minutes to 18 hours 12 minutes per day.

Monthly average temperatures in Orissaare, Estonia

The warmest months in Orissaare are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -1 to 1 °C (30 - 34 °F) throughout the day. On average each year, Orissaare experiences 8 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Orissaare. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		8°C
(47°F)		10°C
(50°F)		18°C
(65°F)		24°C
(76°F)		28°C
(82°F)		30°C
(86°F)		28°C
(83°F)		23°C
(74°F)		17°C
(63°F)		14°C
(57°F)		8°C
(47°F)
Mean maximum6°C
(43°F)		6°C
(42°F)		8°C
(47°F)		14°C
(57°F)		20°C
(69°F)		23°C
(73°F)		27°C
(80°F)		25°C
(77°F)		21°C
(71°F)		15°C
(60°F)		11°C
(53°F)		7°C
(45°F)
Average high1°C
(35°F)		1°C
(33°F)		3°C
(38°F)		8°C
(46°F)		13°C
(56°F)		20°C
(67°F)		21°C
(70°F)		20°C
(69°F)		16°C
(61°F)		11°C
(52°F)		7°C
(45°F)		3°C
(37°F)
Daily mean0°C
(32°F)		-1°C
(30°F)		1°C
(34°F)		5°C
(41°F)		11°C
(51°F)		17°C
(62°F)		19°C
(66°F)		18°C
(65°F)		14°C
(57°F)		9°C
(49°F)		6°C
(42°F)		2°C
(35°F)
Average low-2°C
(29°F)		-3°C
(27°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		13°C
(56°F)		15°C
(60°F)		15°C
(60°F)		12°C
(53°F)		8°C
(46°F)		4°C
(40°F)		0°C
(33°F)
Mean minimum-9°C
(15°F)		-11°C
(13°F)		-9°C
(16°F)		-3°C
(26°F)		1°C
(35°F)		8°C
(46°F)		11°C
(52°F)		11°C
(52°F)		6°C
(44°F)		2°C
(35°F)		-1°C
(30°F)		-5°C
(24°F)
Minimum-13°C
(9°F)		-17°C
(2°F)		-17°C
(2°F)		-6°C
(21°F)		-1°C
(31°F)		6°C
(43°F)		9°C
(48°F)		10°C
(50°F)		5°C
(41°F)		0°C
(32°F)		-3°C
(27°F)		-13°C
(9°F)

Compare climate in Orissaare with other places

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

Monthly average precipitation in Orissaare, Estonia

Orissaare usually has the most precipitation in August, October and November, with an average of 13 rainy days and 77 mm (3.0 inches) of precipitation per month. The driest months in Orissaare are January, April and May. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Orissaare. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)44 (1.7)49 (1.9)33 (1.3)38 (1.5)47 (1.8)61 (2.4)78 (3.1)62 (2.5)90 (3.6)62 (2.5)53 (2.1)
Average precipitation days (≥ 1 mm)10911886101212161213

Monthly sunshine hours in Orissaare, Estonia

The sunniest months in Orissaare are May, June and July, when the sun shines an average of 15 hours 20 minutes a day. Least sunny months in Orissaare: January, November and December receive an average of 3 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Orissaare. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7516827436945547847740531922413880
Mean daily daylight hours7h 8m9h 19m11h 52m14h 28m16h 51m18h 12m17h 28m15h 17m12h 45m10h 10m7h 46m6h 25m

Solar UV radiation in Orissaare, Estonia

Orissaare 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 Orissaare UV Index data.

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