nomadseason

Monthly climate in Riols, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Riols features a oceanic climate (Cfb). Temperatures typically range between 5 °C (40 °F) and 21 °C (71 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1058 mm (41.6 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Riols enjoys an average of 3798 hours of sunshine throughout the year, and daylight varies from 8 hours 58 minutes to 15 hours 21 minutes per day.

Monthly average temperatures in Riols, France

The warmest months in Riols are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (40 - 45 °F) throughout the day. On average each year, Riols experiences 53 days above 25 °C (77.0 °F) and 21 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Riols. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		22°C
(72°F)		21°C
(70°F)		24°C
(76°F)		28°C
(82°F)		33°C
(91°F)		32°C
(91°F)		33°C
(92°F)		29°C
(85°F)		24°C
(76°F)		18°C
(66°F)		16°C
(62°F)
Mean maximum14°C
(57°F)		18°C
(64°F)		19°C
(66°F)		21°C
(70°F)		25°C
(78°F)		29°C
(84°F)		31°C
(88°F)		32°C
(91°F)		29°C
(84°F)		23°C
(73°F)		17°C
(63°F)		15°C
(59°F)
Average high8°C
(47°F)		11°C
(52°F)		13°C
(55°F)		15°C
(60°F)		19°C
(66°F)		23°C
(74°F)		26°C
(79°F)		27°C
(80°F)		23°C
(73°F)		17°C
(64°F)		12°C
(53°F)		9°C
(49°F)
Daily mean5°C
(40°F)		7°C
(45°F)		8°C
(47°F)		11°C
(52°F)		15°C
(58°F)		19°C
(66°F)		21°C
(71°F)		21°C
(71°F)		18°C
(64°F)		13°C
(56°F)		8°C
(47°F)		6°C
(43°F)
Average low2°C
(35°F)		4°C
(39°F)		5°C
(41°F)		7°C
(44°F)		10°C
(50°F)		14°C
(58°F)		16°C
(61°F)		16°C
(61°F)		13°C
(56°F)		10°C
(50°F)		6°C
(42°F)		3°C
(39°F)
Mean minimum-4°C
(26°F)		-2°C
(28°F)		-2°C
(29°F)		0°C
(33°F)		5°C
(42°F)		10°C
(51°F)		12°C
(54°F)		11°C
(53°F)		7°C
(45°F)		4°C
(39°F)		-0°C
(32°F)		-2°C
(29°F)
Minimum-7°C
(20°F)		-7°C
(19°F)		-6°C
(21°F)		-2°C
(28°F)		2°C
(37°F)		8°C
(47°F)		11°C
(52°F)		11°C
(51°F)		6°C
(42°F)		2°C
(35°F)		-2°C
(29°F)		-4°C
(26°F)

Compare climate in Riols with other places

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

Monthly average precipitation in Riols, France

Riols usually has the most precipitation in May, October and December, with an average of 14 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Riols are July, August and September. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Riols. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)96 (3.8)91 (3.6)95 (3.7)91 (3.6)111 (4.4)74 (2.9)56 (2.2)32 (1.3)71 (2.8)133 (5.3)101 (4.0)105 (4.1)
Average precipitation days (≥ 1 mm)111113101512879121515

Monthly sunshine hours in Riols, France

The sunniest months in Riols are June, July and August, when the sun shines an average of 13 hours 31 minutes a day. Least sunny months in Riols: January, November and December receive an average of 6 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Riols. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours180240312341392413430400341286240217
Mean daily daylight hours9h 20m10h 29m11h 57m13h 26m14h 43m15h 21m15h 1m13h 53m12h 27m10h 58m9h 39m8h 58m

Solar UV radiation in Riols, France

Riols 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 Riols UV Index data.

Average daily maximum UV levels by month for Riols. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24679101097532