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Monthly climate in L'Ile-Rousse, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification L'Ile-Rousse features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 10 °C (51 °F) and 25 °C (78 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 596 mm (23.4 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. L'Ile-Rousse enjoys an average of 3979 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 14 minutes per day.

Monthly average temperatures in L'Ile-Rousse, France

The warmest months in L'Ile-Rousse are July, August and September, with daily mean temperatures ranging from 22 to 25 °C (72 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 10 to 12 °C (51 - 53 °F) throughout the day. On average each year, L'Ile-Rousse experiences 63 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in L'Ile-Rousse. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		17°C
(64°F)		17°C
(63°F)		20°C
(69°F)		26°C
(78°F)		29°C
(84°F)		29°C
(85°F)		31°C
(88°F)		28°C
(82°F)		25°C
(77°F)		20°C
(68°F)		17°C
(62°F)
Mean maximum15°C
(60°F)		16°C
(61°F)		16°C
(62°F)		19°C
(66°F)		23°C
(74°F)		27°C
(81°F)		29°C
(84°F)		30°C
(86°F)		27°C
(81°F)		24°C
(75°F)		19°C
(67°F)		16°C
(62°F)
Average high12°C
(54°F)		13°C
(55°F)		13°C
(57°F)		16°C
(60°F)		19°C
(66°F)		24°C
(75°F)		26°C
(80°F)		27°C
(81°F)		24°C
(75°F)		20°C
(69°F)		16°C
(61°F)		13°C
(56°F)
Daily mean10°C
(51°F)		11°C
(52°F)		12°C
(53°F)		14°C
(57°F)		17°C
(63°F)		22°C
(72°F)		25°C
(77°F)		25°C
(78°F)		22°C
(72°F)		19°C
(66°F)		15°C
(59°F)		12°C
(54°F)
Average low9°C
(48°F)		9°C
(49°F)		10°C
(50°F)		12°C
(54°F)		15°C
(60°F)		20°C
(68°F)		23°C
(73°F)		24°C
(75°F)		21°C
(69°F)		17°C
(63°F)		13°C
(56°F)		10°C
(51°F)
Mean minimum6°C
(43°F)		6°C
(42°F)		6°C
(43°F)		8°C
(47°F)		12°C
(54°F)		17°C
(63°F)		20°C
(68°F)		21°C
(70°F)		17°C
(62°F)		14°C
(57°F)		9°C
(49°F)		7°C
(46°F)
Minimum4°C
(39°F)		-0°C
(32°F)		2°C
(36°F)		6°C
(44°F)		9°C
(49°F)		15°C
(60°F)		19°C
(66°F)		20°C
(68°F)		14°C
(57°F)		12°C
(54°F)		8°C
(47°F)		6°C
(44°F)

Compare climate in L'Ile-Rousse with other places

Compare temperature, precipitation, sunshine, UV index in L'Ile-Rousse, France with other places around the world.

Monthly average precipitation in L'Ile-Rousse, France

L'Ile-Rousse usually has the most precipitation in May, November and December, with an average of 12 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in L'Ile-Rousse are June, July and August. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in L'Ile-Rousse. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)40 (1.6)56 (2.2)44 (1.7)46 (1.8)64 (2.5)22 (0.8)18 (0.7)14 (0.6)31 (1.2)58 (2.3)115 (4.5)87 (3.4)
Average precipitation days (≥ 1 mm)77799422771612

Monthly sunshine hours in L'Ile-Rousse, France

The sunniest months in L'Ile-Rousse are May, June and July, when the sun shines an average of 13 hours 42 minutes a day. Least sunny months in L'Ile-Rousse: January, November and December receive an average of 7 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in L'Ile-Rousse. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours201261333356406420433402346314255245
Mean daily daylight hours9h 26m10h 32m11h 57m13h 24m14h 37m15h 14m14h 55m13h 49m12h 26m11h 0m9h 44m9h 5m

Solar UV radiation in L'Ile-Rousse, France

L'Ile-Rousse experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November 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 L'Ile-Rousse UV Index data.

Average daily maximum UV levels by month for L'Ile-Rousse. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2457810997532