Monthly climate in Oiron, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oiron features a oceanic climate (Cfb). Temperatures typically range between 5 °C (42 °F) and 21 °C (71 °F) through the year, but rarely can drop to -8 °C (17 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 688 mm (27.1 inches) and receives 116 rainy days on the 1 mm (0.04 inches) threshold annually. Oiron enjoys an average of 3544 hours of sunshine throughout the year, and daylight varies from 8 hours 34 minutes to 15 hours 48 minutes per day.

Monthly average temperatures in Oiron, France

The warmest months in Oiron are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (67 - 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 (42 - 45 °F) throughout the day. On average each year, Oiron experiences 60 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oiron. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)
23°C
(73°F)
24°C
(76°F)
28°C
(82°F)
32°C
(90°F)
38°C
(101°F)
41°C
(105°F)
38°C
(101°F)
36°C
(96°F)
27°C
(82°F)
20°C
(67°F)
17°C
(62°F)
Mean maximum14°C
(57°F)
18°C
(64°F)
22°C
(71°F)
25°C
(78°F)
28°C
(83°F)
32°C
(90°F)
36°C
(97°F)
35°C
(96°F)
32°C
(89°F)
25°C
(77°F)
19°C
(66°F)
16°C
(61°F)
Average high8°C
(48°F)
11°C
(52°F)
14°C
(57°F)
17°C
(64°F)
21°C
(69°F)
25°C
(76°F)
27°C
(81°F)
27°C
(80°F)
24°C
(75°F)
18°C
(65°F)
12°C
(54°F)
10°C
(50°F)
Daily mean5°C
(42°F)
7°C
(45°F)
9°C
(49°F)
12°C
(54°F)
15°C
(60°F)
19°C
(67°F)
21°C
(71°F)
21°C
(70°F)
18°C
(65°F)
14°C
(57°F)
8°C
(48°F)
7°C
(45°F)
Average low3°C
(37°F)
4°C
(39°F)
5°C
(41°F)
6°C
(44°F)
10°C
(50°F)
14°C
(57°F)
16°C
(60°F)
15°C
(59°F)
12°C
(55°F)
10°C
(50°F)
5°C
(42°F)
4°C
(40°F)
Mean minimum-3°C
(26°F)
-3°C
(27°F)
-2°C
(29°F)
-0°C
(31°F)
4°C
(39°F)
9°C
(48°F)
11°C
(52°F)
10°C
(50°F)
6°C
(44°F)
3°C
(38°F)
-2°C
(28°F)
-3°C
(27°F)
Minimum-7°C
(19°F)
-7°C
(20°F)
-8°C
(17°F)
-3°C
(26°F)
0°C
(33°F)
7°C
(45°F)
9°C
(49°F)
9°C
(48°F)
5°C
(41°F)
1°C
(35°F)
-4°C
(26°F)
-4°C
(25°F)

Compare climate in Oiron with other places

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

Monthly average precipitation in Oiron, France

Oiron usually has the most precipitation in June, November and December, with an average of 12 rainy days and 79 mm (3.1 inches) of precipitation per month. The driest months in Oiron are July, August and September. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oiron. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)62 (2.4)65 (2.6)44 (1.7)73 (2.9)78 (3.1)30 (1.2)27 (1.1)30 (1.2)73 (2.9)74 (2.9)84 (3.3)
Average precipitation days (≥ 1 mm)8121271210647121214

Monthly sunshine hours in Oiron, France

The sunniest months in Oiron are May, June and July, when the sun shines an average of 13 hours 7 minutes a day. Least sunny months in Oiron: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oiron. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours136204276345387401418386325264215181
Mean daily daylight hours8h 59m10h 17m11h 56m13h 37m15h 3m15h 48m15h 24m14h 7m12h 30m10h 49m9h 21m8h 34m

Solar UV radiation in Oiron, France

Oiron 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 Oiron UV Index data.

Average daily maximum UV levels by month for Oiron. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689986422