Monthly climate in Le Castellet, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Le Castellet features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 8 °C (47 °F) and 24 °C (75 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 693 mm (27.3 inches) and receives 81 rainy days on the 1 mm (0.04 inches) threshold annually. Le Castellet enjoys an average of 3957 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 Le Castellet, France

The warmest months in Le Castellet are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (47 - 49 °F) throughout the day. On average each year, Le Castellet experiences 57 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 Le Castellet. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)
18°C
(65°F)
20°C
(67°F)
22°C
(71°F)
27°C
(81°F)
30°C
(87°F)
30°C
(86°F)
31°C
(89°F)
28°C
(82°F)
24°C
(76°F)
19°C
(66°F)
17°C
(63°F)
Mean maximum14°C
(58°F)
16°C
(61°F)
17°C
(64°F)
20°C
(68°F)
23°C
(74°F)
27°C
(81°F)
29°C
(84°F)
30°C
(86°F)
27°C
(80°F)
23°C
(73°F)
19°C
(66°F)
15°C
(60°F)
Average high11°C
(52°F)
12°C
(54°F)
14°C
(57°F)
16°C
(61°F)
19°C
(67°F)
24°C
(75°F)
26°C
(80°F)
27°C
(80°F)
24°C
(75°F)
20°C
(68°F)
15°C
(59°F)
12°C
(54°F)
Daily mean8°C
(47°F)
10°C
(49°F)
11°C
(52°F)
13°C
(56°F)
17°C
(62°F)
21°C
(70°F)
23°C
(75°F)
24°C
(75°F)
21°C
(69°F)
17°C
(62°F)
12°C
(55°F)
9°C
(49°F)
Average low6°C
(43°F)
7°C
(45°F)
8°C
(47°F)
10°C
(51°F)
14°C
(57°F)
18°C
(65°F)
20°C
(69°F)
21°C
(69°F)
18°C
(64°F)
14°C
(58°F)
10°C
(51°F)
7°C
(45°F)
Mean minimum2°C
(37°F)
3°C
(38°F)
4°C
(39°F)
6°C
(42°F)
10°C
(49°F)
15°C
(59°F)
18°C
(64°F)
17°C
(63°F)
13°C
(56°F)
10°C
(50°F)
5°C
(42°F)
2°C
(36°F)
Minimum0°C
(33°F)
-3°C
(26°F)
1°C
(34°F)
2°C
(37°F)
7°C
(46°F)
13°C
(56°F)
16°C
(61°F)
16°C
(62°F)
10°C
(51°F)
8°C
(46°F)
4°C
(39°F)
-1°C
(31°F)

Compare climate in Le Castellet with other places

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

Monthly average precipitation in Le Castellet, France

Le Castellet usually has the most precipitation in October, November and December, with an average of 9 rainy days and 103 mm (4.0 inches) of precipitation per month. The driest months in Le Castellet are June, July and August. On average, 19 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Le Castellet. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)55 (2.1)44 (1.8)54 (2.1)72 (2.8)64 (2.5)28 (1.1)12 (0.5)17 (0.7)38 (1.5)90 (3.6)134 (5.3)84 (3.3)
Average precipitation days (≥ 1 mm)677109521571210

Monthly sunshine hours in Le Castellet, France

The sunniest months in Le Castellet are May, June and July, when the sun shines an average of 13 hours 45 minutes a day. Least sunny months in Le Castellet: January, November and December receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Le Castellet. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours198257330351405423436403344309251244
Mean daily daylight hours9h 22m10h 30m11h 57m13h 25m14h 41m15h 18m14h 58m13h 52m12h 27m10h 59m9h 41m9h 1m

Solar UV radiation in Le Castellet, France

Le Castellet experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Le Castellet UV Index data.

Average daily maximum UV levels by month for Le Castellet. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2457910987532