Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Challans features a oceanic climate (Cfb).Temperatures typically range between 7 °C (46 °F) and 20 °C (68 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 739 mm (29.1 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Challans enjoys an average of 3727 hours of sunshine throughout the year, and daylight varies from 8 hours 36 minutes to 15 hours 46 minutes per day.
The warmest months in Challans are June, July and August, with daily mean temperatures ranging from 18 to 20 °C (65 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (46 - 49 °F) throughout the day. On average each year, Challans experiences 22 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 15°C (58°F) | 18°C (64°F) | 21°C (70°F) | 25°C (77°F) | 28°C (83°F) | 34°C (94°F) | 33°C (92°F) | 33°C (92°F) | 32°C (89°F) | 23°C (73°F) | 19°C (66°F) | 16°C (60°F) |
Mean maximum | 13°C (56°F) | 15°C (59°F) | 18°C (65°F) | 23°C (73°F) | 25°C (77°F) | 29°C (84°F) | 31°C (89°F) | 30°C (86°F) | 27°C (82°F) | 21°C (70°F) | 17°C (64°F) | 15°C (58°F) |
Average high | 9°C (49°F) | 11°C (52°F) | 13°C (55°F) | 16°C (60°F) | 18°C (65°F) | 21°C (70°F) | 23°C (74°F) | 23°C (73°F) | 21°C (70°F) | 17°C (63°F) | 13°C (55°F) | 11°C (52°F) |
Daily mean | 7°C (46°F) | 9°C (48°F) | 10°C (50°F) | 12°C (54°F) | 15°C (59°F) | 18°C (65°F) | 20°C (68°F) | 19°C (67°F) | 18°C (64°F) | 15°C (58°F) | 11°C (51°F) | 9°C (49°F) |
Average low | 5°C (42°F) | 6°C (44°F) | 7°C (45°F) | 9°C (48°F) | 12°C (54°F) | 15°C (60°F) | 17°C (63°F) | 16°C (62°F) | 15°C (58°F) | 12°C (54°F) | 8°C (47°F) | 7°C (46°F) |
Mean minimum | -0°C (32°F) | 0°C (33°F) | 1°C (34°F) | 3°C (38°F) | 7°C (45°F) | 11°C (52°F) | 14°C (57°F) | 13°C (55°F) | 10°C (50°F) | 7°C (44°F) | 2°C (37°F) | 1°C (35°F) |
Minimum | -5°C (24°F) | -5°C (24°F) | -6°C (22°F) | 0°C (33°F) | 5°C (42°F) | 10°C (50°F) | 12°C (53°F) | 12°C (54°F) | 8°C (47°F) | 4°C (39°F) | 1°C (35°F) | 1°C (34°F) |
Compare temperature, precipitation, sunshine, UV index in Challans, Pays de la Loire, France with other places around the world.
Challans usually has the most precipitation in October, November and December, with an average of 12 rainy days and 91 mm (3.6 inches) of precipitation per month.The driest months in Challans are April, July and August. On average, 38 mm (1.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 54 (2.1) | 64 (2.5) | 64 (2.5) | 36 (1.4) | 55 (2.2) | 68 (2.7) | 36 (1.4) | 43 (1.7) | 45 (1.8) | 77 (3.0) | 83 (3.3) | 114 (4.5) |
Average precipitation days (≥ 1 mm) | 9 | 12 | 12 | 7 | 11 | 11 | 9 | 9 | 9 | 11 | 11 | 16 |
The sunniest months in Challans are May, June and July, when the sun shines an average of 13 hours 27 minutes a day.Least sunny months in Challans: January, February and December receive an average of 6 hours 11 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 148 | 218 | 303 | 358 | 404 | 410 | 423 | 401 | 338 | 287 | 236 | 196 |
Mean daily daylight hours | 9h 1m | 10h 18m | 11h 56m | 13h 36m | 15h 2m | 15h 46m | 15h 22m | 14h 6m | 12h 30m | 10h 50m | 9h 22m | 8h 36m |
Challans 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, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Challans UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 2 | 2 |