Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Ryegate features a cold semi-arid climate (BSk).Temperatures typically range between -7 °C (20 °F) and 22 °C (73 °F) through the year, but rarely can drop to -39 °C (-38 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 443 mm (17.5 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually.Ryegate enjoys an average of 3152 hours of sunshine throughout the year, and daylight varies from 8 hours 39 minutes to 15 hours 43 minutes per day.
The warmest months in Ryegate are June, July and August, with daily mean temperatures ranging from 18 to 22 °C (65 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -2 °C (20 - 28 °F) throughout the day. On average each year, Ryegate experiences 72 days above 25 °C (77.0 °F) and 145 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 12°C (55°F) | 17°C (63°F) | 24°C (75°F) | 27°C (82°F) | 29°C (85°F) | 38°C (101°F) | 38°C (101°F) | 38°C (100°F) | 37°C (99°F) | 29°C (85°F) | 22°C (71°F) | 19°C (66°F) |
Mean maximum | 11°C (51°F) | 13°C (55°F) | 19°C (67°F) | 25°C (77°F) | 27°C (82°F) | 31°C (88°F) | 36°C (97°F) | 36°C (97°F) | 34°C (93°F) | 25°C (77°F) | 18°C (65°F) | 14°C (57°F) |
Average high | 1°C (34°F) | -2°C (29°F) | 8°C (46°F) | 12°C (54°F) | 18°C (64°F) | 25°C (77°F) | 30°C (86°F) | 29°C (84°F) | 23°C (73°F) | 13°C (56°F) | 7°C (45°F) | 3°C (37°F) |
Daily mean | -4°C (25°F) | -7°C (20°F) | 1°C (35°F) | 5°C (42°F) | 12°C (54°F) | 18°C (65°F) | 22°C (73°F) | 21°C (71°F) | 15°C (60°F) | 7°C (44°F) | 2°C (35°F) | -2°C (28°F) |
Average low | -8°C (17°F) | -12°C (11°F) | -4°C (25°F) | -1°C (31°F) | 6°C (43°F) | 11°C (52°F) | 14°C (58°F) | 13°C (57°F) | 8°C (47°F) | 1°C (34°F) | -3°C (26°F) | -7°C (21°F) |
Mean minimum | -25°C (-13°F) | -29°C (-20°F) | -15°C (5°F) | -11°C (13°F) | 0°C (32°F) | 5°C (42°F) | 8°C (46°F) | 8°C (47°F) | 1°C (34°F) | -9°C (16°F) | -14°C (7°F) | -18°C (0°F) |
Minimum | -33°C (-28°F) | -39°C (-38°F) | -30°C (-22°F) | -20°C (-4°F) | -3°C (26°F) | 4°C (40°F) | 3°C (38°F) | 6°C (43°F) | 0°C (33°F) | -21°C (-5°F) | -21°C (-5°F) | -26°C (-15°F) |
Compare temperature, precipitation, sunshine, UV index in Ryegate, Montana, United States with other places around the world.
Ryegate usually has the most precipitation in April, May and June, with an average of 11 rainy days and 64 mm (2.5 inches) of precipitation per month.The driest months in Ryegate are January, November and December. On average, 21 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) | 17 (0.7) | 34 (1.3) | 28 (1.1) | 59 (2.3) | 67 (2.7) | 65 (2.6) | 28 (1.1) | 25 (1.0) | 42 (1.6) | 34 (1.3) | 23 (0.9) | 22 (0.9) |
Average precipitation days (≥ 1 mm) | 4 | 9 | 6 | 11 | 12 | 10 | 7 | 5 | 5 | 7 | 5 | 6 |
The sunniest months in Ryegate are June, July and August, when the sun shines an average of 11 hours 49 minutes a day.Least sunny months in Ryegate: January, February and December receive an average of 5 hours 48 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 153 | 192 | 263 | 264 | 307 | 359 | 388 | 339 | 269 | 238 | 192 | 182 |
Mean daily daylight hours | 9h 4m | 10h 20m | 11h 57m | 13h 36m | 15h 0m | 15h 43m | 15h 19m | 14h 3m | 12h 28m | 10h 50m | 9h 23m | 8h 39m |
Ryegate 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 Low / 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 Ryegate UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 2 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |