|
Typical Helena January Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 32.3 °F | |
| Average daily low | 12.9 °F | |
| Average monthly precipitation | 0.4 inches | |
| Average monthly snow | 6.6 inches | |
| Daily chance of precipitation | 20.9% | |
| Daily chance of snow | 18.0% | |
|
Helena January Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 63 °F | January 25, 2015 |
| Lowest temperature | -42 °F | January 25, 1957 |
| Highest daily low | 47 °F | January 18, 1919 |
| Lowest daily high | -33 °F | January 31, 1893 |
| Hottest average high temperature | 44.5 °F | 2006 |
| Coldest average high temperature | 6.2 °F | 1937 |
| Most daily precipitation | 0.7 inches | January 18, 2012 |
| Most monthly precipitation | 2.8 inches | 1969 |
| Most daily snow | 10.0 inches | January 18, 2012 |
| Most monthly snow | 35.6 inches | 1969 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| January 1 | 30.3 | 11.5 | 60 | -33 |
| January 2 | 30.3 | 11.5 | 54 | -26 |
| January 3 | 30.3 | 11.5 | 59 | -30 |
| January 4 | 30.4 | 11.5 | 57 | -33 |
| January 5 | 30.5 | 11.7 | 54 | -37 |
| January 6 | 30.7 | 11.9 | 61 | -32 |
| January 7 | 31.0 | 12.0 | 63 | -30 |
| January 8 | 31.1 | 12.1 | 55 | -28 |
| January 9 | 31.2 | 12.2 | 60 | -30 |
| January 10 | 31.3 | 12.3 | 56 | -30 |
| January 11 | 31.4 | 12.3 | 62 | -28 |
| January 12 | 31.5 | 12.4 | 57 | -33 |
| January 13 | 31.6 | 12.5 | 55 | -36 |
| January 14 | 31.8 | 12.5 | 55 | -28 |
| January 15 | 32.0 | 12.6 | 58 | -28 |
| January 16 | 32.3 | 12.8 | 56 | -29 |
| January 17 | 32.5 | 13.2 | 55 | -32 |
| January 18 | 32.9 | 13.5 | 57 | -33 |
| January 19 | 33.2 | 13.7 | 55 | -32 |
| January 20 | 33.4 | 13.8 | 57 | -36 |
| January 21 | 33.7 | 14.1 | 52 | -32 |
| January 22 | 33.9 | 14.3 | 55 | -29 |
| January 23 | 34.0 | 14.4 | 56 | -35 |
| January 24 | 34.2 | 14.5 | 58 | -35 |
| January 25 | 34.4 | 14.7 | 63 | -42 |
| January 26 | 34.7 | 14.9 | 57 | -41 |
| January 27 | 34.9 | 15.1 | 56 | -37 |
| January 28 | 35.0 | 15.2 | 56 | -32 |
| January 29 | 35.2 | 15.3 | 56 | -32 |
| January 30 | 35.4 | 15.5 | 58 | -37 |
| January 31 | 35.6 | 15.7 | 62 | -42 |