Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Isnes features a oceanic climate (Cfb).Temperatures typically range between 3 °C (38 °F) and 19 °C (66 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 886 mm (34.9 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually.Isnes enjoys an average of 3354 hours of sunshine throughout the year, and daylight varies from 8 hours 3 minutes to 16 hours 21 minutes per day.
The warmest months in Isnes are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 41 °F) throughout the day. On average each year, Isnes experiences 26 days above 25 °C (77.0 °F) and 36 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (56°F) | 19°C (66°F) | 23°C (74°F) | 27°C (80°F) | 30°C (87°F) | 33°C (91°F) | 37°C (99°F) | 36°C (97°F) | 33°C (92°F) | 25°C (77°F) | 18°C (64°F) | 15°C (58°F) |
Mean maximum | 11°C (52°F) | 15°C (59°F) | 19°C (66°F) | 23°C (74°F) | 26°C (79°F) | 28°C (83°F) | 31°C (88°F) | 32°C (89°F) | 28°C (83°F) | 22°C (72°F) | 16°C (61°F) | 13°C (56°F) |
Average high | 5°C (42°F) | 8°C (46°F) | 11°C (52°F) | 14°C (58°F) | 18°C (64°F) | 22°C (72°F) | 23°C (74°F) | 23°C (74°F) | 20°C (67°F) | 15°C (59°F) | 9°C (49°F) | 7°C (45°F) |
Daily mean | 3°C (38°F) | 5°C (41°F) | 7°C (45°F) | 10°C (50°F) | 13°C (56°F) | 18°C (64°F) | 19°C (66°F) | 18°C (66°F) | 15°C (59°F) | 12°C (53°F) | 7°C (44°F) | 5°C (41°F) |
Average low | 1°C (34°F) | 2°C (36°F) | 3°C (38°F) | 5°C (41°F) | 8°C (47°F) | 13°C (55°F) | 14°C (57°F) | 14°C (58°F) | 11°C (52°F) | 9°C (48°F) | 4°C (40°F) | 3°C (37°F) |
Mean minimum | -4°C (25°F) | -5°C (23°F) | -4°C (26°F) | -2°C (29°F) | 2°C (35°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) | 5°C (42°F) | 3°C (37°F) | -2°C (29°F) | -3°C (26°F) |
Minimum | -8°C (18°F) | -11°C (12°F) | -10°C (15°F) | -3°C (26°F) | -0°C (32°F) | 6°C (44°F) | 7°C (45°F) | 7°C (44°F) | 2°C (37°F) | 1°C (34°F) | -3°C (27°F) | -4°C (24°F) |
Compare temperature, precipitation, sunshine, UV index in Isnes, Wallonia, Belgium with other places around the world.
Isnes usually has the most precipitation in August, October and December, with an average of 15 rainy days and 93 mm (3.7 inches) of precipitation per month.The driest months in Isnes are April, September and November. On average, 55 mm (2.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 69 (2.7) | 73 (2.9) | 77 (3.0) | 41 (1.6) | 67 (2.6) | 78 (3.1) | 77 (3.0) | 89 (3.5) | 65 (2.5) | 86 (3.4) | 60 (2.3) | 105 (4.1) |
Average precipitation days (≥ 1 mm) | 12 | 12 | 15 | 8 | 14 | 13 | 10 | 14 | 11 | 13 | 12 | 18 |
The sunniest months in Isnes are May, June and July, when the sun shines an average of 12 hours 57 minutes a day.Least sunny months in Isnes: January, November and December receive an average of 4 hours 38 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 114 | 195 | 262 | 342 | 391 | 399 | 400 | 378 | 317 | 239 | 182 | 129 |
Mean daily daylight hours | 8h 32m | 10h 3m | 11h 55m | 13h 50m | 15h 29m | 16h 21m | 15h 54m | 14h 24m | 12h 33m | 10h 39m | 8h 57m | 8h 3m |
Isnes experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / 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 Isnes UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |