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Monthly climate in Gruiu, Romania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gruiu features a oceanic climate (Cfb). Temperatures typically range between 0 °C (32 °F) and 23 °C (74 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 839 mm (33.0 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually. Gruiu enjoys an average of 3713 hours of sunshine throughout the year, and daylight varies from 8 hours 50 minutes to 15 hours 30 minutes per day.

Monthly average temperatures in Gruiu, Romania

The warmest months in Gruiu are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (69 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (32 - 37 °F) throughout the day. On average each year, Gruiu experiences 82 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 Gruiu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		20°C
(68°F)		23°C
(74°F)		28°C
(82°F)		29°C
(85°F)		35°C
(95°F)		35°C
(96°F)		37°C
(99°F)		34°C
(93°F)		27°C
(81°F)		26°C
(78°F)		15°C
(60°F)
Mean maximum11°C
(51°F)		17°C
(62°F)		21°C
(70°F)		24°C
(76°F)		28°C
(82°F)		31°C
(88°F)		33°C
(93°F)		34°C
(94°F)		31°C
(89°F)		25°C
(77°F)		20°C
(69°F)		12°C
(54°F)
Average high4°C
(39°F)		7°C
(46°F)		11°C
(53°F)		17°C
(63°F)		22°C
(71°F)		26°C
(78°F)		28°C
(82°F)		30°C
(86°F)		25°C
(77°F)		18°C
(65°F)		10°C
(51°F)		5°C
(42°F)
Daily mean-0°C
(32°F)		3°C
(37°F)		6°C
(43°F)		11°C
(52°F)		16°C
(61°F)		20°C
(69°F)		22°C
(72°F)		23°C
(74°F)		18°C
(65°F)		12°C
(54°F)		7°C
(44°F)		2°C
(36°F)
Average low-3°C
(26°F)		-1°C
(30°F)		1°C
(34°F)		5°C
(42°F)		11°C
(51°F)		15°C
(59°F)		16°C
(61°F)		17°C
(62°F)		12°C
(54°F)		7°C
(45°F)		4°C
(39°F)		-0°C
(31°F)
Mean minimum-12°C
(10°F)		-9°C
(16°F)		-7°C
(20°F)		-1°C
(30°F)		5°C
(42°F)		11°C
(51°F)		12°C
(54°F)		12°C
(54°F)		5°C
(40°F)		1°C
(34°F)		-4°C
(26°F)		-7°C
(20°F)
Minimum-21°C
(-5°F)		-15°C
(5°F)		-17°C
(1°F)		-3°C
(27°F)		3°C
(38°F)		6°C
(43°F)		10°C
(50°F)		8°C
(47°F)		1°C
(34°F)		-1°C
(30°F)		-11°C
(13°F)		-12°C
(10°F)

Compare climate in Gruiu with other places

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

Monthly average precipitation in Gruiu, Romania

Gruiu usually has the most precipitation in May, June and July, with an average of 14 rainy days and 120 mm (4.7 inches) of precipitation per month. The driest months in Gruiu are January, February and September. On average, 42 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gruiu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)46 (1.8)45 (1.8)66 (2.6)46 (1.8)112 (4.4)145 (5.7)101 (4.0)52 (2.1)35 (1.4)67 (2.6)46 (1.8)77 (3.1)
Average precipitation days (≥ 1 mm)78118141711647911

Monthly sunshine hours in Gruiu, Romania

The sunniest months in Gruiu are June, July and August, when the sun shines an average of 13 hours 24 minutes a day. Least sunny months in Gruiu: January, November and December receive an average of 6 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gruiu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours174231294345391404424403341288215197
Mean daily daylight hours9h 13m10h 25m11h 56m13h 30m14h 50m15h 30m15h 9m13h 58m12h 28m10h 55m9h 33m8h 50m

Solar UV radiation in Gruiu, Romania

Gruiu 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 Gruiu UV Index data.

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