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Monthly climate in Juillan, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Juillan features a oceanic climate (Cfb). Temperatures typically range between 5 °C (41 °F) and 20 °C (69 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1501 mm (59.1 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually. Juillan enjoys an average of 3742 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 18 minutes per day.

Monthly average temperatures in Juillan, France

The warmest months in Juillan are June, July and August, with daily mean temperatures ranging from 18 to 20 °C (65 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Juillan experiences 49 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Juillan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		24°C
(75°F)		24°C
(76°F)		27°C
(80°F)		30°C
(86°F)		34°C
(94°F)		35°C
(96°F)		35°C
(96°F)		32°C
(90°F)		28°C
(83°F)		23°C
(74°F)		18°C
(65°F)
Mean maximum16°C
(62°F)		20°C
(68°F)		22°C
(72°F)		24°C
(75°F)		27°C
(81°F)		30°C
(86°F)		33°C
(92°F)		32°C
(91°F)		29°C
(85°F)		26°C
(79°F)		21°C
(70°F)		17°C
(63°F)
Average high9°C
(49°F)		13°C
(56°F)		14°C
(57°F)		16°C
(62°F)		20°C
(68°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		23°C
(73°F)		19°C
(66°F)		13°C
(56°F)		11°C
(52°F)
Daily mean5°C
(41°F)		8°C
(46°F)		9°C
(49°F)		12°C
(53°F)		15°C
(59°F)		18°C
(65°F)		20°C
(69°F)		20°C
(69°F)		17°C
(64°F)		13°C
(56°F)		8°C
(47°F)		7°C
(45°F)
Average low1°C
(35°F)		4°C
(39°F)		5°C
(41°F)		7°C
(44°F)		10°C
(50°F)		14°C
(57°F)		16°C
(60°F)		15°C
(60°F)		13°C
(55°F)		9°C
(48°F)		5°C
(41°F)		4°C
(39°F)
Mean minimum-4°C
(25°F)		-2°C
(29°F)		-1°C
(31°F)		-1°C
(31°F)		4°C
(39°F)		9°C
(49°F)		11°C
(53°F)		10°C
(50°F)		7°C
(44°F)		3°C
(37°F)		-1°C
(31°F)		-2°C
(29°F)
Minimum-7°C
(20°F)		-8°C
(19°F)		-5°C
(24°F)		-3°C
(27°F)		0°C
(33°F)		7°C
(44°F)		10°C
(50°F)		9°C
(49°F)		5°C
(41°F)		-0°C
(32°F)		-3°C
(27°F)		-5°C
(23°F)

Compare climate in Juillan with other places

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

Monthly average precipitation in Juillan, France

Juillan usually has the most precipitation in May, June and December, with an average of 16 rainy days and 164 mm (6.5 inches) of precipitation per month. The driest months in Juillan are January, February and August. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Juillan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)95 (3.8)89 (3.5)106 (4.2)141 (5.6)161 (6.3)167 (6.6)145 (5.7)97 (3.8)109 (4.3)105 (4.1)121 (4.8)165 (6.5)
Average precipitation days (≥ 1 mm)111116141616141312131717

Monthly sunshine hours in Juillan, France

The sunniest months in Juillan are June, July and August, when the sun shines an average of 12 hours 53 minutes a day. Least sunny months in Juillan: January, November and December receive an average of 7 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Juillan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours189245312332380391410384339298233225
Mean daily daylight hours9h 23m10h 31m11h 57m13h 25m14h 40m15h 18m14h 58m13h 51m12h 27m10h 59m9h 41m9h 1m

Solar UV radiation in Juillan, France

Juillan 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 Juillan UV Index data.

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