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Monthly climate in Romagnieu, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Romagnieu features a oceanic climate (Cfb). Temperatures typically range between 2 °C (36 °F) and 21 °C (70 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1483 mm (58.4 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Romagnieu enjoys an average of 3558 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 36 minutes per day.

Monthly average temperatures in Romagnieu, France

The warmest months in Romagnieu are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Romagnieu experiences 53 days above 25 °C (77.0 °F) and 58 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Romagnieu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		19°C
(67°F)		22°C
(72°F)		26°C
(79°F)		29°C
(85°F)		34°C
(94°F)		36°C
(98°F)		35°C
(95°F)		30°C
(86°F)		25°C
(77°F)		20°C
(68°F)		15°C
(59°F)
Mean maximum12°C
(53°F)		17°C
(64°F)		20°C
(68°F)		23°C
(74°F)		27°C
(80°F)		28°C
(83°F)		33°C
(92°F)		34°C
(93°F)		28°C
(83°F)		23°C
(74°F)		18°C
(65°F)		12°C
(54°F)
Average high6°C
(42°F)		10°C
(50°F)		13°C
(55°F)		17°C
(62°F)		19°C
(67°F)		24°C
(75°F)		26°C
(80°F)		26°C
(79°F)		22°C
(71°F)		17°C
(62°F)		10°C
(50°F)		6°C
(43°F)
Daily mean2°C
(36°F)		5°C
(41°F)		8°C
(46°F)		11°C
(52°F)		14°C
(58°F)		19°C
(66°F)		21°C
(70°F)		20°C
(69°F)		16°C
(62°F)		12°C
(53°F)		6°C
(43°F)		3°C
(38°F)
Average low-1°C
(30°F)		1°C
(33°F)		2°C
(37°F)		5°C
(41°F)		9°C
(48°F)		14°C
(57°F)		15°C
(60°F)		15°C
(59°F)		11°C
(53°F)		7°C
(45°F)		3°C
(37°F)		-0°C
(32°F)
Mean minimum-7°C
(21°F)		-4°C
(25°F)		-4°C
(25°F)		-2°C
(29°F)		3°C
(38°F)		9°C
(49°F)		11°C
(52°F)		9°C
(49°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(28°F)		-6°C
(21°F)
Minimum-15°C
(6°F)		-9°C
(16°F)		-11°C
(13°F)		-4°C
(25°F)		0°C
(32°F)		7°C
(46°F)		10°C
(50°F)		8°C
(47°F)		3°C
(37°F)		0°C
(33°F)		-4°C
(25°F)		-10°C
(14°F)

Compare climate in Romagnieu with other places

Compare temperature, precipitation, sunshine, UV index in Romagnieu, France with other places around the world.

Monthly average precipitation in Romagnieu, France

Romagnieu usually has the most precipitation in May, June and December, with an average of 15 rainy days and 177 mm (7.0 inches) of precipitation per month. The driest months in Romagnieu are April, August and September. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Romagnieu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)119 (4.7)105 (4.1)132 (5.2)71 (2.8)169 (6.7)136 (5.4)113 (4.4)101 (4.0)77 (3.0)120 (4.7)113 (4.5)227 (8.9)
Average precipitation days (≥ 1 mm)11111410161412109111217

Monthly sunshine hours in Romagnieu, France

The sunniest months in Romagnieu are June, July and August, when the sun shines an average of 13 hours 3 minutes a day. Least sunny months in Romagnieu: January, November and December receive an average of 5 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Romagnieu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours147222293346356397414388327276205182
Mean daily daylight hours9h 8m10h 22m11h 56m13h 32m14h 54m15h 36m15h 14m14h 1m12h 29m10h 53m9h 29m8h 45m

Solar UV radiation in Romagnieu, France

Romagnieu experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, 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 Romagnieu UV Index data.

Average daily maximum UV levels by month for Romagnieu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2366810987532