Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Saint Clair features a humid continental climate (Dfa).Temperatures typically range between -9 °C (17 °F) and 23 °C (74 °F) through the year, but rarely can drop to -37 °C (-33 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1024 mm (40.3 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually.Saint Clair enjoys an average of 2971 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.
The warmest months in Saint Clair are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (71 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -4 °C (17 - 25 °F) throughout the day. On average each year, Saint Clair experiences 76 days above 25 °C (77.0 °F) and 139 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 9°C (48°F) | 18°C (65°F) | 24°C (75°F) | 29°C (84°F) | 36°C (97°F) | 36°C (97°F) | 35°C (95°F) | 35°C (96°F) | 33°C (92°F) | 30°C (87°F) | 25°C (78°F) | 19°C (66°F) |
Mean maximum | 6°C (44°F) | 8°C (47°F) | 18°C (65°F) | 25°C (77°F) | 31°C (89°F) | 33°C (91°F) | 34°C (93°F) | 32°C (89°F) | 32°C (89°F) | 28°C (82°F) | 18°C (64°F) | 12°C (54°F) |
Average high | -4°C (25°F) | -4°C (25°F) | 6°C (42°F) | 12°C (54°F) | 21°C (69°F) | 27°C (81°F) | 28°C (83°F) | 26°C (80°F) | 24°C (75°F) | 14°C (58°F) | 6°C (43°F) | 0°C (32°F) |
Daily mean | -8°C (17°F) | -9°C (17°F) | 1°C (34°F) | 7°C (45°F) | 15°C (60°F) | 22°C (72°F) | 23°C (74°F) | 21°C (71°F) | 18°C (65°F) | 9°C (49°F) | 1°C (35°F) | -4°C (25°F) |
Average low | -12°C (10°F) | -14°C (8°F) | -3°C (26°F) | 2°C (35°F) | 10°C (51°F) | 17°C (62°F) | 18°C (65°F) | 16°C (62°F) | 13°C (56°F) | 5°C (41°F) | -3°C (26°F) | -8°C (18°F) |
Mean minimum | -27°C (-16°F) | -27°C (-17°F) | -17°C (2°F) | -8°C (18°F) | 3°C (37°F) | 11°C (51°F) | 13°C (56°F) | 10°C (51°F) | 6°C (42°F) | -4°C (25°F) | -14°C (7°F) | -22°C (-7°F) |
Minimum | -34°C (-30°F) | -37°C (-33°F) | -27°C (-16°F) | -15°C (5°F) | 1°C (33°F) | 8°C (47°F) | 12°C (54°F) | 10°C (50°F) | 3°C (37°F) | -10°C (15°F) | -17°C (2°F) | -24°C (-11°F) |
Compare temperature, precipitation, sunshine, UV index in Saint Clair, Minnesota, United States with other places around the world.
Saint Clair usually has the most precipitation in May, August and September, with an average of 11 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Saint Clair are January, February and November. On average, 37 mm (1.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 34 (1.3) | 41 (1.6) | 68 (2.7) | 91 (3.6) | 140 (5.5) | 118 (4.7) | 103 (4.1) | 119 (4.7) | 137 (5.4) | 93 (3.7) | 36 (1.4) | 44 (1.7) |
Average precipitation days (≥ 1 mm) | 5 | 7 | 7 | 10 | 14 | 11 | 10 | 12 | 9 | 10 | 7 | 5 |
The sunniest months in Saint Clair are June, July and August, when the sun shines an average of 11 hours 11 minutes a day.Least sunny months in Saint Clair: January, November and December receive an average of 5 hours 34 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 139 | 202 | 231 | 240 | 281 | 338 | 363 | 327 | 255 | 216 | 188 | 185 |
Mean daily daylight hours | 9h 17m | 10h 28m | 11h 57m | 13h 29m | 14h 46m | 15h 25m | 15h 4m | 13h 54m | 12h 27m | 10h 56m | 9h 36m | 8h 55m |
Saint Clair experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Saint Clair UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 3 | 5 | 5 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 3 |