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Monthly climate in Ruhnu, Saare, Estonia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ruhnu features a humid continental climate (Dfb).Temperatures typically range between 0 °C (32 °F) and 18 °C (65 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 26 °C (79 °F).The average annual precipitation amounts to about 765 mm (30.1 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually.Ruhnu enjoys an average of 3449 hours of sunshine throughout the year, and daylight varies from 6 hours 36 minutes to 17 hours 58 minutes per day.

Monthly average temperatures in Ruhnu, Saare, Estonia §

The warmest months in Ruhnu 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 March, when daily mean temperatures range from 0 to 1 °C (32 - 34 °F) throughout the day. On average each year, Ruhnu experiences 2 days above 25 °C (77.0 °F) and 48 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ruhnu, Saare, 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)		 9°C
(48°F)		 6°C
(44°F)		 13°C
(55°F)		 20°C
(67°F)		 24°C
(76°F)		 26°C
(79°F)		 26°C
(79°F)		 21°C
(71°F)		 17°C
(64°F)		 13°C
(56°F)		 9°C
(48°F)
Mean maximum 6°C
(43°F)		 5°C
(41°F)		 5°C
(42°F)		 9°C
(48°F)		 15°C
(60°F)		 20°C
(67°F)		 23°C
(74°F)		 23°C
(73°F)		 20°C
(68°F)		 15°C
(59°F)		 11°C
(53°F)		 7°C
(45°F)
Average high 2°C
(36°F)		 1°C
(34°F)		 2°C
(36°F)		 5°C
(41°F)		 10°C
(50°F)		 17°C
(63°F)		 19°C
(67°F)		 19°C
(67°F)		 16°C
(61°F)		 12°C
(53°F)		 8°C
(46°F)		 4°C
(39°F)
Daily mean 1°C
(34°F)		 -0°C
(32°F)		 1°C
(34°F)		 4°C
(39°F)		 9°C
(48°F)		 16°C
(60°F)		 18°C
(65°F)		 18°C
(65°F)		 15°C
(59°F)		 11°C
(51°F)		 7°C
(44°F)		 3°C
(37°F)
Average low 0°C
(32°F)		 -1°C
(30°F)		 0°C
(32°F)		 3°C
(37°F)		 8°C
(46°F)		 15°C
(59°F)		 17°C
(63°F)		 17°C
(64°F)		 14°C
(57°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(35°F)
Mean minimum -5°C
(23°F)		 -6°C
(21°F)		 -5°C
(24°F)		 -1°C
(31°F)		 3°C
(38°F)		 10°C
(49°F)		 14°C
(57°F)		 15°C
(58°F)		 10°C
(51°F)		 5°C
(41°F)		 1°C
(33°F)		 -2°C
(28°F)
Minimum -9°C
(16°F)		 -13°C
(9°F)		 -14°C
(7°F)		 -2°C
(28°F)		 2°C
(36°F)		 8°C
(47°F)		 12°C
(55°F)		 13°C
(55°F)		 8°C
(47°F)		 3°C
(37°F)		 -2°C
(28°F)		 -8°C
(18°F)

Compare climate in Ruhnu with other places

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

Monthly average precipitation in Ruhnu, Saare, Estonia §

Ruhnu usually has the most precipitation in August, September and October, with an average of 15 rainy days and 97 mm (3.8 inches) of precipitation per month.The driest months in Ruhnu are February, April and May. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ruhnu, Saare, 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) 48 (1.9) 43 (1.7) 47 (1.9) 28 (1.1) 35 (1.4) 45 (1.8) 77 (3.0) 91 (3.6) 92 (3.6) 108 (4.2) 87 (3.4) 64 (2.5)
Average precipitation days (≥ 1 mm) 13 11 12 6 7 8 9 13 15 18 18 17

Monthly sunshine hours in Ruhnu, Saare, Estonia §

The sunniest months in Ruhnu are May, June and July, when the sun shines an average of 15 hours 7 minutes a day.Least sunny months in Ruhnu: January, November and December receive an average of 3 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ruhnu, Saare, 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 79 172 271 362 451 471 468 398 317 232 138 85
Mean daily daylight hours 7h 18m 9h 24m 11h 52m 14h 24m 16h 41m 17h 58m 17h 17m 15h 11m 12h 43m 10h 13m 7h 55m 6h 36m

Solar UV radiation in Ruhnu, Saare, Estonia §

Ruhnu 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 Ruhnu UV Index data.

Average daily maximum UV levels by month for Ruhnu, Saare, 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 2 3 4 6 7 7 6 4 2 1 1