Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Stony Plain features a humid continental climate (Dfb). Temperatures typically range between -12 °C (11 °F) and 17 °C (63 °F) through the year, but rarely can drop to -40 °C (-39 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 568 mm (22.4 inches) and receives 104 rainy days on the 1 mm (0.04 inches) threshold annually. Stony Plain enjoys an average of 2900 hours of sunshine throughout the year, and daylight varies from 7 hours 32 minutes to 16 hours 56 minutes per day.
The warmest months in Stony Plain are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -12 to -9 °C (11 - 17 °F) throughout the day. On average each year, Stony Plain experiences 20 days above 25 °C (77.0 °F) and 179 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 8°C (46°F) |
12°C (54°F) |
17°C (62°F) |
26°C (79°F) |
29°C (85°F) |
36°C (96°F) |
36°C (97°F) |
32°C (90°F) |
30°C (86°F) |
22°C (72°F) |
16°C (62°F) |
8°C (48°F) |
Mean maximum | 6°C (43°F) |
7°C (45°F) |
11°C (53°F) |
20°C (68°F) |
26°C (79°F) |
27°C (81°F) |
30°C (87°F) |
29°C (85°F) |
25°C (78°F) |
20°C (68°F) |
10°C (50°F) |
6°C (43°F) |
Average high | -6°C (22°F) |
-7°C (19°F) |
1°C (34°F) |
8°C (46°F) |
17°C (63°F) |
20°C (69°F) |
22°C (73°F) |
22°C (71°F) |
16°C (61°F) |
9°C (48°F) |
-0°C (32°F) |
-5°C (23°F) |
Daily mean | -10°C (14°F) |
-12°C (11°F) |
-4°C (24°F) |
2°C (36°F) |
11°C (52°F) |
15°C (60°F) |
17°C (63°F) |
16°C (61°F) |
10°C (51°F) |
3°C (38°F) |
-4°C (24°F) |
-9°C (17°F) |
Average low | -14°C (7°F) |
-17°C (2°F) |
-9°C (16°F) |
-3°C (27°F) |
4°C (40°F) |
10°C (49°F) |
11°C (52°F) |
10°C (50°F) |
5°C (42°F) |
-1°C (30°F) |
-9°C (17°F) |
-13°C (9°F) |
Mean minimum | -32°C (-25°F) |
-32°C (-26°F) |
-25°C (-12°F) |
-14°C (7°F) |
-3°C (28°F) |
4°C (39°F) |
7°C (45°F) |
4°C (39°F) |
-1°C (31°F) |
-9°C (16°F) |
-21°C (-5°F) |
-27°C (-17°F) |
Minimum | -40°C (-39°F) |
-39°C (-38°F) |
-33°C (-27°F) |
-24°C (-10°F) |
-5°C (23°F) |
1°C (34°F) |
6°C (42°F) |
2°C (36°F) |
-3°C (27°F) |
-15°C (6°F) |
-23°C (-8°F) |
-38°C (-37°F) |
Compare temperature, precipitation, sunshine, UV index in Stony Plain, Alberta, Canada with other places around the world.
Stony Plain usually has the most precipitation in May, June and July, with an average of 13 rainy days and 91 mm (3.6 inches) of precipitation per month. The driest months in Stony Plain are January, February and December. On average, 20 mm (0.8 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 18 (0.7) | 21 (0.8) | 27 (1.0) | 31 (1.2) | 62 (2.4) | 101 (4.0) | 109 (4.3) | 61 (2.4) | 52 (2.1) | 27 (1.0) | 39 (1.5) | 21 (0.8) |
Average precipitation days (≥ 1 mm) | 5 | 6 | 6 | 8 | 8 | 14 | 17 | 11 | 9 | 6 | 8 | 6 |
The sunniest months in Stony Plain are May, June and July, when the sun shines an average of 11 hours 18 minutes a day. Least sunny months in Stony Plain: January, November and December receive an average of 4 hours 27 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 116 | 172 | 240 | 269 | 337 | 347 | 355 | 327 | 231 | 208 | 147 | 147 |
Mean daily daylight hours | 8h 6m | 9h 50m | 11h 55m | 14h 4m | 15h 56m | 16h 56m | 16h 23m | 14h 40m | 12h 36m | 10h 28m | 8h 33m | 7h 32m |
Stony Plain experiences the highest level of ultraviolet (UV) radiation in May, 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 Stony Plain UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 3 | 4 | 5 | 7 | 7 | 8 | 7 | 6 | 4 | 2 | 1 |
Discover in-depth weather details for every month in Stony Plain. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Stony Plain's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.