|
Typical Boise January Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 38.8 °F | |
| Average daily low | 25.2 °F | |
| Average monthly precipitation | 1.4 inches | |
| Average monthly snow | 5.3 inches | |
|
Boise January Weather Records 1911–2023 |
||
|---|---|---|
| Highest temperature | 63 °F | January 9, 1953 |
| Lowest temperature | -26 °F | January 23, 1930 |
| Highest daily low | 49 °F | January 13, 1969 |
| Lowest daily high | 0 °F | January 21, 1962 |
| Hottest average temperature | 8.7 °F above average |
1953 |
| Coldest average temperature | -22.0 °F below average |
1949 |
| Most daily precipitation | 1.1 inches | January 18, 1953 |
| Most monthly precipitation | 3.9 inches | 1970 |
| Most daily snow | 12.0 inches | January 25, 1929 |
| Most monthly snow | 40.0 inches | 1929 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| January 1 | 37.7 | 24.1 | 60 | -13 |
| January 2 | 37.7 | 24.1 | 55 | -9 |
| January 3 | 37.7 | 24.2 | 51 | -5 |
| January 4 | 37.8 | 24.2 | 57 | -9 |
| January 5 | 37.8 | 24.3 | 54 | -12 |
| January 6 | 37.8 | 24.4 | 55 | -11 |
| January 7 | 37.8 | 24.6 | 58 | -18 |
| January 8 | 37.8 | 24.6 | 55 | -21 |
| January 9 | 37.9 | 24.7 | 63 | -15 |
| January 10 | 38.1 | 24.9 | 57 | -8 |
| January 11 | 38.2 | 25.0 | 58 | -6 |
| January 12 | 38.3 | 25.0 | 59 | -7 |
| January 13 | 38.4 | 25.0 | 55 | -5 |
| January 14 | 38.5 | 25.1 | 56 | -6 |
| January 15 | 38.7 | 25.1 | 56 | -10 |
| January 16 | 38.8 | 25.2 | 57 | -8 |
| January 17 | 39.0 | 25.4 | 56 | -14 |
| January 18 | 39.2 | 25.5 | 58 | -13 |
| January 19 | 39.4 | 25.6 | 54 | -18 |
| January 20 | 39.7 | 25.8 | 57 | -21 |
| January 21 | 39.9 | 26.0 | 53 | -24 |
| January 22 | 40.1 | 26.2 | 53 | -26 |
| January 23 | 40.3 | 26.3 | 62 | -26 |
| January 24 | 40.5 | 26.3 | 57 | -6 |
| January 25 | 40.7 | 26.4 | 59 | -5 |
| January 26 | 40.9 | 26.5 | 55 | -8 |
| January 27 | 41.1 | 26.6 | 56 | -9 |
| January 28 | 41.3 | 26.7 | 56 | -7 |
| January 29 | 41.5 | 26.8 | 56 | -9 |
| January 30 | 41.7 | 27.0 | 59 | -13 |
| January 31 | 42.1 | 27.2 | 61 | -17 |