Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Grand Haven features a subarctic climate (Dfc).Temperatures typically range between -13 °C (10 °F) and 16 °C (61 °F) through the year, but rarely can drop to -44 °C (-47 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 556 mm (21.9 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Grand Haven enjoys an average of 2833 hours of sunshine throughout the year, and daylight varies from 6 hours 59 minutes to 17 hours 33 minutes per day.
The warmest months in Grand Haven are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -13 to -10 °C (10 - 15 °F) throughout the day. On average each year, Grand Haven experiences 15 days above 25 °C (77.0 °F) and 181 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 8°C (46°F) | 11°C (52°F) | 14°C (58°F) | 23°C (74°F) | 29°C (85°F) | 39°C (103°F) | 34°C (94°F) | 31°C (88°F) | 29°C (85°F) | 21°C (70°F) | 12°C (54°F) | 7°C (46°F) |
Mean maximum | 5°C (41°F) | 5°C (41°F) | 10°C (50°F) | 18°C (65°F) | 25°C (77°F) | 29°C (84°F) | 29°C (85°F) | 29°C (84°F) | 24°C (76°F) | 18°C (65°F) | 7°C (46°F) | 5°C (41°F) |
Average high | -7°C (19°F) | -8°C (18°F) | 0°C (33°F) | 7°C (45°F) | 16°C (62°F) | 20°C (68°F) | 21°C (71°F) | 21°C (70°F) | 15°C (59°F) | 7°C (45°F) | -3°C (28°F) | -7°C (20°F) |
Daily mean | -11°C (12°F) | -13°C (10°F) | -6°C (22°F) | 2°C (35°F) | 10°C (51°F) | 15°C (58°F) | 16°C (61°F) | 15°C (59°F) | 9°C (49°F) | 2°C (37°F) | -6°C (21°F) | -10°C (15°F) |
Average low | -15°C (5°F) | -17°C (1°F) | -11°C (12°F) | -4°C (26°F) | 4°C (39°F) | 9°C (48°F) | 10°C (51°F) | 9°C (49°F) | 5°C (40°F) | -2°C (29°F) | -10°C (14°F) | -13°C (9°F) |
Mean minimum | -34°C (-29°F) | -35°C (-30°F) | -27°C (-17°F) | -15°C (6°F) | -3°C (27°F) | 3°C (38°F) | 6°C (44°F) | 3°C (38°F) | -3°C (27°F) | -9°C (16°F) | -22°C (-8°F) | -29°C (-20°F) |
Minimum | -41°C (-41°F) | -44°C (-47°F) | -33°C (-28°F) | -26°C (-15°F) | -8°C (19°F) | 2°C (36°F) | 5°C (41°F) | 1°C (35°F) | -8°C (18°F) | -13°C (9°F) | -26°C (-14°F) | -41°C (-42°F) |
Compare temperature, precipitation, sunshine, UV index in Grand Haven, British Columbia, Canada with other places around the world.
Grand Haven usually has the most precipitation in June, July and August, with an average of 12 rainy days and 79 mm (3.1 inches) of precipitation per month.The driest months in Grand Haven are January, February and December. On average, 25 mm (1.0 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 26 (1.0) | 26 (1.0) | 32 (1.3) | 28 (1.1) | 44 (1.7) | 85 (3.3) | 94 (3.7) | 59 (2.3) | 48 (1.9) | 41 (1.6) | 50 (2.0) | 23 (0.9) |
Average precipitation days (≥ 1 mm) | 7 | 6 | 9 | 7 | 9 | 14 | 13 | 10 | 9 | 6 | 12 | 5 |
The sunniest months in Grand Haven are May, June and July, when the sun shines an average of 11 hours 25 minutes a day.Least sunny months in Grand Haven: January, November and December receive an average of 3 hours 37 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 88 | 162 | 228 | 295 | 333 | 354 | 363 | 329 | 236 | 194 | 115 | 129 |
Mean daily daylight hours | 7h 38m | 9h 35m | 11h 55m | 14h 17m | 16h 24m | 17h 33m | 16h 54m | 14h 58m | 12h 39m | 10h 18m | 8h 9m | 6h 59m |
Grand Haven experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 7 - 7, which corresponds to the 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 1. For more detailed information, check out our hourly Grand Haven UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 2 | 3 | 5 | 7 | 7 | 7 | 7 | 5 | 3 | 1 | 1 |