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Monthly climate in Cosna, Romania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cosna features a subarctic climate (Dfc). Temperatures typically range between -6 °C (22 °F) and 16 °C (61 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 1009 mm (39.7 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually. Cosna enjoys an average of 3646 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Cosna, Romania

The warmest months in Cosna are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (22 - 27 °F) throughout the day. On average each year, Cosna experiences 8 days above 25 °C (77.0 °F) and 146 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cosna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(44°F)		10°C
(51°F)		16°C
(61°F)		23°C
(74°F)		24°C
(75°F)		27°C
(81°F)		27°C
(81°F)		29°C
(85°F)		26°C
(80°F)		22°C
(72°F)		19°C
(67°F)		8°C
(47°F)
Mean maximum4°C
(39°F)		6°C
(44°F)		12°C
(54°F)		18°C
(65°F)		22°C
(71°F)		24°C
(75°F)		25°C
(78°F)		27°C
(81°F)		24°C
(75°F)		20°C
(68°F)		14°C
(58°F)		5°C
(42°F)
Average high-3°C
(27°F)		0°C
(32°F)		4°C
(39°F)		10°C
(50°F)		15°C
(59°F)		19°C
(66°F)		20°C
(69°F)		22°C
(72°F)		17°C
(63°F)		12°C
(54°F)		6°C
(43°F)		-0°C
(32°F)
Daily mean-6°C
(22°F)		-3°C
(27°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(50°F)		15°C
(58°F)		15°C
(60°F)		16°C
(61°F)		11°C
(53°F)		7°C
(44°F)		2°C
(36°F)		-3°C
(27°F)
Average low-9°C
(17°F)		-6°C
(21°F)		-4°C
(25°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(51°F)		10°C
(51°F)		11°C
(52°F)		6°C
(44°F)		2°C
(36°F)		-1°C
(31°F)		-5°C
(23°F)
Mean minimum-20°C
(-3°F)		-16°C
(4°F)		-15°C
(6°F)		-8°C
(18°F)		-1°C
(30°F)		5°C
(41°F)		5°C
(42°F)		6°C
(42°F)		-2°C
(28°F)		-3°C
(26°F)		-10°C
(15°F)		-14°C
(6°F)
Minimum-24°C
(-11°F)		-21°C
(-6°F)		-22°C
(-7°F)		-11°C
(12°F)		-4°C
(26°F)		1°C
(35°F)		4°C
(39°F)		3°C
(38°F)		-4°C
(24°F)		-5°C
(24°F)		-13°C
(8°F)		-19°C
(-1°F)

Compare climate in Cosna with other places

Compare temperature, precipitation, sunshine, UV index in Cosna, Romania with other places around the world.

Monthly average precipitation in Cosna, Romania

Cosna usually has the most precipitation in May, June and July, with an average of 20 rainy days and 148 mm (5.8 inches) of precipitation per month. The driest months in Cosna are January, October and November. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cosna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)71 (2.8)67 (2.6)64 (2.5)146 (5.7)162 (6.4)137 (5.4)102 (4.0)65 (2.6)50 (2.0)33 (1.3)76 (3.0)
Average precipitation days (≥ 1 mm)1014141321221914118916

Monthly sunshine hours in Cosna, Romania

The sunniest months in Cosna are June, July and August, when the sun shines an average of 13 hours 16 minutes a day. Least sunny months in Cosna: January, February and December receive an average of 6 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cosna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours164212290343386396420405335285228176
Mean daily daylight hours8h 56m10h 16m11h 55m13h 38m15h 5m15h 50m15h 27m14h 9m12h 30m10h 49m9h 19m8h 32m

Solar UV radiation in Cosna, Romania

Cosna experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Cosna UV Index data.

Average daily maximum UV levels by month for Cosna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789987532