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Monthly climate in Royan, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Royan features a oceanic climate (Cfb). Temperatures typically range between 7 °C (44 °F) and 22 °C (72 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 801 mm (31.5 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Royan enjoys an average of 3763 hours of sunshine throughout the year, and daylight varies from 8 hours 43 minutes to 15 hours 38 minutes per day.

Monthly average temperatures in Royan, France

The warmest months in Royan are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 48 °F) throughout the day. On average each year, Royan experiences 60 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Royan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		23°C
(74°F)		26°C
(78°F)		28°C
(83°F)		33°C
(92°F)		38°C
(101°F)		39°C
(103°F)		38°C
(101°F)		35°C
(96°F)		28°C
(82°F)		22°C
(72°F)		18°C
(64°F)
Mean maximum15°C
(59°F)		18°C
(65°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)		32°C
(91°F)		36°C
(97°F)		35°C
(96°F)		32°C
(90°F)		26°C
(78°F)		20°C
(68°F)		16°C
(62°F)
Average high10°C
(50°F)		13°C
(55°F)		15°C
(58°F)		18°C
(65°F)		21°C
(70°F)		24°C
(76°F)		27°C
(80°F)		27°C
(80°F)		24°C
(76°F)		19°C
(67°F)		14°C
(57°F)		11°C
(53°F)
Daily mean7°C
(44°F)		9°C
(48°F)		10°C
(51°F)		13°C
(56°F)		16°C
(61°F)		20°C
(68°F)		22°C
(72°F)		21°C
(71°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)		9°C
(48°F)
Average low4°C
(39°F)		5°C
(42°F)		6°C
(44°F)		8°C
(47°F)		11°C
(53°F)		15°C
(59°F)		17°C
(63°F)		16°C
(62°F)		14°C
(57°F)		11°C
(52°F)		7°C
(44°F)		6°C
(43°F)
Mean minimum-2°C
(28°F)		-1°C
(30°F)		-1°C
(31°F)		2°C
(35°F)		6°C
(43°F)		11°C
(52°F)		13°C
(56°F)		12°C
(53°F)		8°C
(47°F)		4°C
(40°F)		-0°C
(32°F)		-2°C
(29°F)
Minimum-7°C
(20°F)		-6°C
(21°F)		-7°C
(20°F)		-1°C
(30°F)		3°C
(37°F)		9°C
(49°F)		12°C
(53°F)		10°C
(51°F)		7°C
(45°F)		3°C
(37°F)		-2°C
(29°F)		-4°C
(25°F)

Compare climate in Royan with other places

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

Monthly average precipitation in Royan, France

Royan usually has the most precipitation in May, November and December, with an average of 13 rainy days and 97 mm (3.8 inches) of precipitation per month. The driest months in Royan are July, August and September. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Royan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)63 (2.5)67 (2.6)75 (2.9)50 (2.0)81 (3.2)72 (2.9)32 (1.2)27 (1.1)46 (1.8)81 (3.2)91 (3.6)117 (4.6)
Average precipitation days (≥ 1 mm)10111391311769111216

Monthly sunshine hours in Royan, France

The sunniest months in Royan are May, June and July, when the sun shines an average of 13 hours 32 minutes a day. Least sunny months in Royan: January, February and December receive an average of 6 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Royan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours167224302352401414428401343292236195
Mean daily daylight hours9h 6m10h 21m11h 56m13h 33m14h 56m15h 38m15h 16m14h 2m12h 29m10h 52m9h 27m8h 43m

Solar UV radiation in Royan, France

Royan 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 Royan UV Index data.

Average daily maximum UV levels by month for Royan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235789986532