Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Heyd features a oceanic climate (Cfb).Temperatures typically range between 2 °C (36 °F) and 18 °C (64 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 37 °C (98 °F).The average annual precipitation amounts to about 1029 mm (40.5 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually.Heyd enjoys an average of 3380 hours of sunshine throughout the year, and daylight varies from 8 hours 6 minutes to 16 hours 19 minutes per day.
The warmest months in Heyd are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (36 - 39 °F) throughout the day. On average each year, Heyd experiences 20 days above 25 °C (77.0 °F) and 49 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 12°C (54°F) | 19°C (67°F) | 22°C (71°F) | 26°C (78°F) | 30°C (86°F) | 32°C (90°F) | 37°C (98°F) | 35°C (95°F) | 33°C (91°F) | 24°C (75°F) | 17°C (64°F) | 14°C (57°F) |
Mean maximum | 10°C (50°F) | 14°C (57°F) | 17°C (63°F) | 22°C (72°F) | 26°C (78°F) | 27°C (81°F) | 30°C (86°F) | 30°C (87°F) | 27°C (81°F) | 21°C (70°F) | 15°C (60°F) | 12°C (54°F) |
Average high | 4°C (39°F) | 7°C (44°F) | 10°C (50°F) | 13°C (56°F) | 17°C (63°F) | 21°C (71°F) | 22°C (72°F) | 22°C (72°F) | 19°C (66°F) | 14°C (57°F) | 8°C (47°F) | 6°C (42°F) |
Daily mean | 2°C (36°F) | 4°C (39°F) | 6°C (43°F) | 9°C (48°F) | 12°C (54°F) | 17°C (63°F) | 18°C (64°F) | 18°C (64°F) | 14°C (58°F) | 11°C (51°F) | 6°C (42°F) | 4°C (39°F) |
Average low | -0°C (32°F) | 1°C (34°F) | 2°C (36°F) | 4°C (40°F) | 7°C (45°F) | 12°C (54°F) | 13°C (55°F) | 13°C (56°F) | 10°C (50°F) | 8°C (46°F) | 3°C (38°F) | 2°C (36°F) |
Mean minimum | -6°C (21°F) | -6°C (22°F) | -5°C (24°F) | -3°C (27°F) | 1°C (33°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 4°C (40°F) | 2°C (35°F) | -3°C (27°F) | -4°C (25°F) |
Minimum | -13°C (9°F) | -10°C (13°F) | -13°C (10°F) | -5°C (23°F) | -1°C (31°F) | 5°C (42°F) | 6°C (43°F) | 5°C (42°F) | 1°C (35°F) | 0°C (33°F) | -5°C (24°F) | -5°C (23°F) |
Compare temperature, precipitation, sunshine, UV index in Heyd, Wallonia, Belgium with other places around the world.
Heyd usually has the most precipitation in March, October and December, with an average of 16 rainy days and 109 mm (4.3 inches) of precipitation per month.The driest months in Heyd are April, September and November. On average, 63 mm (2.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 91 (3.6) | 85 (3.3) | 101 (4.0) | 46 (1.8) | 81 (3.2) | 90 (3.5) | 86 (3.4) | 83 (3.3) | 73 (2.9) | 94 (3.7) | 69 (2.7) | 130 (5.1) |
Average precipitation days (≥ 1 mm) | 14 | 13 | 16 | 11 | 14 | 14 | 12 | 17 | 10 | 14 | 12 | 20 |
The sunniest months in Heyd are May, June and July, when the sun shines an average of 13 hours 7 minutes a day.Least sunny months in Heyd: January, November and December receive an average of 4 hours 33 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 112 | 199 | 265 | 346 | 396 | 405 | 406 | 382 | 319 | 240 | 182 | 124 |
Mean daily daylight hours | 8h 34m | 10h 4m | 11h 55m | 13h 49m | 15h 28m | 16h 19m | 15h 51m | 14h 23m | 12h 33m | 10h 40m | 8h 59m | 8h 6m |
Heyd experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 8 - 8, 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 Heyd UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 3 | 4 | 5 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |