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Monthly climate in Mereni, Romania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mereni features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (35 °F) and 24 °C (76 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 580 mm (22.8 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually. Mereni enjoys an average of 3737 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Mereni, Romania

The warmest months in Mereni are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (35 - 41 °F) throughout the day. On average each year, Mereni experiences 83 days above 25 °C (77.0 °F) and 47 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mereni. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		31°C
(88°F)		32°C
(90°F)		34°C
(93°F)		35°C
(95°F)		32°C
(89°F)		28°C
(82°F)		25°C
(77°F)		19°C
(67°F)
Mean maximum13°C
(55°F)		18°C
(64°F)		20°C
(68°F)		22°C
(72°F)		28°C
(82°F)		31°C
(87°F)		33°C
(91°F)		34°C
(93°F)		31°C
(87°F)		26°C
(79°F)		21°C
(70°F)		16°C
(60°F)
Average high5°C
(41°F)		8°C
(47°F)		11°C
(51°F)		16°C
(60°F)		21°C
(71°F)		26°C
(79°F)		28°C
(83°F)		30°C
(85°F)		25°C
(78°F)		19°C
(66°F)		12°C
(54°F)		8°C
(46°F)
Daily mean2°C
(35°F)		4°C
(40°F)		6°C
(44°F)		11°C
(51°F)		17°C
(62°F)		21°C
(70°F)		23°C
(74°F)		24°C
(76°F)		20°C
(68°F)		14°C
(58°F)		9°C
(48°F)		5°C
(41°F)
Average low-1°C
(30°F)		1°C
(34°F)		2°C
(37°F)		6°C
(43°F)		12°C
(53°F)		17°C
(62°F)		18°C
(65°F)		19°C
(66°F)		15°C
(59°F)		10°C
(51°F)		6°C
(43°F)		2°C
(36°F)
Mean minimum-9°C
(16°F)		-7°C
(19°F)		-5°C
(24°F)		1°C
(34°F)		6°C
(44°F)		13°C
(55°F)		14°C
(58°F)		14°C
(58°F)		8°C
(47°F)		5°C
(41°F)		-1°C
(30°F)		-6°C
(22°F)
Minimum-16°C
(4°F)		-12°C
(10°F)		-13°C
(9°F)		-2°C
(29°F)		4°C
(39°F)		9°C
(49°F)		14°C
(57°F)		13°C
(55°F)		5°C
(42°F)		2°C
(36°F)		-5°C
(24°F)		-10°C
(14°F)

Compare climate in Mereni with other places

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

Monthly average precipitation in Mereni, Romania

Mereni usually has the most precipitation in June, July and December, with an average of 11 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in Mereni are April, August and September. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mereni. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)43 (1.7)52 (2.0)32 (1.3)52 (2.0)99 (3.9)67 (2.6)18 (0.7)17 (0.7)49 (1.9)42 (1.7)61 (2.4)
Average precipitation days (≥ 1 mm)66869149335611

Monthly sunshine hours in Mereni, Romania

The sunniest months in Mereni are June, July and August, when the sun shines an average of 13 hours 34 minutes a day. Least sunny months in Mereni: January, November and December receive an average of 6 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mereni. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours160231294351402412430406342289218198
Mean daily daylight hours9h 17m10h 27m11h 56m13h 28m14h 46m15h 25m15h 4m13h 55m12h 28m10h 57m9h 37m8h 55m

Solar UV radiation in Mereni, Romania

Mereni experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 Mereni UV Index data.

Average daily maximum UV levels by month for Mereni. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)236789997532