Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Jasper features a subarctic climate (Dfc).Temperatures typically range between -14 °C (7 °F) and 12 °C (53 °F) through the year, but rarely can drop to -41 °C (-41 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 852 mm (33.5 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually.Jasper enjoys an average of 2721 hours of sunshine throughout the year, and daylight varies from 7 hours 39 minutes to 16 hours 48 minutes per day.
The warmest months in Jasper are June, July and August, with daily mean temperatures ranging from 8 to 12 °C (47 - 53 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -14 to -13 °C (7 - 9 °F) throughout the day. On average each year, Jasper experiences 4 days above 25 °C (77.0 °F) and 245 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 1°C (34°F) | 5°C (42°F) | 13°C (56°F) | 16°C (62°F) | 23°C (74°F) | 35°C (95°F) | 35°C (95°F) | 27°C (81°F) | 26°C (80°F) | 19°C (67°F) | 6°C (43°F) | 2°C (35°F) |
Mean maximum | -1°C (30°F) | 0°C (32°F) | 7°C (44°F) | 11°C (52°F) | 18°C (64°F) | 23°C (73°F) | 27°C (82°F) | 26°C (79°F) | 21°C (70°F) | 12°C (55°F) | 4°C (39°F) | -2°C (29°F) |
Average high | -9°C (16°F) | -9°C (15°F) | -2°C (29°F) | 2°C (37°F) | 9°C (49°F) | 14°C (58°F) | 18°C (65°F) | 18°C (64°F) | 11°C (52°F) | 3°C (37°F) | -5°C (24°F) | -11°C (13°F) |
Daily mean | -13°C (9°F) | -14°C (7°F) | -7°C (20°F) | -3°C (28°F) | 3°C (39°F) | 8°C (47°F) | 12°C (53°F) | 11°C (52°F) | 5°C (41°F) | -3°C (26°F) | -9°C (16°F) | -14°C (7°F) |
Average low | -16°C (3°F) | -18°C (-1°F) | -12°C (11°F) | -8°C (18°F) | -3°C (27°F) | 2°C (35°F) | 5°C (41°F) | 4°C (40°F) | 0°C (32°F) | -9°C (17°F) | -13°C (9°F) | -17°C (2°F) |
Mean minimum | -31°C (-24°F) | -31°C (-24°F) | -24°C (-12°F) | -17°C (2°F) | -8°C (19°F) | -4°C (25°F) | 1°C (33°F) | -2°C (29°F) | -7°C (20°F) | -22°C (-8°F) | -26°C (-14°F) | -30°C (-22°F) |
Minimum | -41°C (-41°F) | -36°C (-32°F) | -33°C (-27°F) | -22°C (-7°F) | -9°C (16°F) | -7°C (20°F) | -1°C (31°F) | -3°C (26°F) | -12°C (11°F) | -28°C (-18°F) | -30°C (-22°F) | -39°C (-39°F) |
Compare temperature, precipitation, sunshine, UV index in Jasper, Alberta, Canada with other places around the world.
Jasper usually has the most precipitation in June, July and September, with an average of 16 rainy days and 106 mm (4.2 inches) of precipitation per month.The driest months in Jasper are January, February and December. On average, 44 mm (1.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 36 (1.4) | 50 (2.0) | 58 (2.3) | 61 (2.4) | 71 (2.8) | 112 (4.4) | 119 (4.7) | 76 (3.0) | 86 (3.4) | 70 (2.8) | 67 (2.6) | 47 (1.8) |
Average precipitation days (≥ 1 mm) | 8 | 12 | 13 | 14 | 12 | 17 | 16 | 12 | 15 | 14 | 14 | 11 |
The sunniest months in Jasper are May, June and July, when the sun shines an average of 10 hours 39 minutes a day.Least sunny months in Jasper: January, November and December receive an average of 3 hours 58 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 100 | 153 | 229 | 272 | 319 | 316 | 343 | 312 | 220 | 187 | 128 | 136 |
Mean daily daylight hours | 8h 12m | 9h 53m | 11h 55m | 14h 1m | 15h 50m | 16h 48m | 16h 16m | 14h 36m | 12h 35m | 10h 31m | 8h 39m | 7h 39m |
Jasper experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Jasper UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |