|
Typical Portland January Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 46.9 °F | |
| Average daily low | 36.1 °F | |
| Average monthly precipitation | 5.0 inches | |
| Average monthly snow | 1.7 inches | |
| Daily chance of precipitation | 59.9% | |
| Daily chance of snow | 3.1% | |
|
Portland January Weather Records 1871–2024 |
||
|---|---|---|
| Highest temperature | 66 °F | January 18, 2005 |
| Lowest temperature | -2 °F | January 31, 1950 |
| Highest daily low | 55 °F | January 16, 2011 |
| Lowest daily high | 9 °F | January 15, 1888 |
| Hottest average high temperature | 52.0 °F | 1953 |
| Coldest average high temperature | 32.6 °F | 1930 |
| Most daily precipitation | 5.6 inches | January 6, 1883 |
| Most monthly precipitation | 13.7 inches | 1883 |
| Most daily snow | 15.0 inches | January 2, 1895 |
| Most monthly snow | 41.4 inches | 1950 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| January 1 | 45.7 | 35.5 | 60 | 14 |
| January 2 | 45.7 | 35.5 | 58 | 15 |
| January 3 | 45.7 | 35.4 | 62 | 16 |
| January 4 | 45.7 | 35.4 | 59 | 16 |
| January 5 | 45.8 | 35.4 | 62 | 12 |
| January 6 | 45.9 | 35.5 | 61 | 14 |
| January 7 | 46.0 | 35.5 | 62 | 12 |
| January 8 | 46.1 | 35.6 | 58 | 10 |
| January 9 | 46.2 | 35.7 | 61 | 10 |
| January 10 | 46.4 | 35.7 | 57 | 10 |
| January 11 | 46.4 | 35.7 | 59 | 7 |
| January 12 | 46.4 | 35.7 | 62 | 6 |
| January 13 | 46.5 | 35.7 | 61 | 4 |
| January 14 | 46.6 | 35.9 | 60 | 3 |
| January 15 | 46.8 | 36.0 | 62 | -2 |
| January 16 | 46.9 | 36.0 | 60 | 0 |
| January 17 | 47.0 | 36.1 | 61 | 6 |
| January 18 | 47.1 | 36.1 | 66 | 8 |
| January 19 | 47.2 | 36.2 | 60 | 8 |
| January 20 | 47.4 | 36.2 | 60 | 12 |
| January 21 | 47.6 | 36.3 | 59 | 9 |
| January 22 | 47.7 | 36.3 | 61 | 9 |
| January 23 | 47.9 | 36.3 | 60 | 10 |
| January 24 | 48.0 | 36.3 | 65 | 3 |
| January 25 | 48.1 | 36.3 | 62 | 11 |
| January 26 | 48.3 | 36.3 | 62 | 6 |
| January 27 | 48.5 | 36.3 | 64 | 8 |
| January 28 | 48.6 | 36.3 | 64 | 10 |
| January 29 | 48.8 | 36.4 | 62 | 8 |
| January 30 | 49.0 | 36.4 | 62 | 10 |
| January 31 | 49.2 | 36.5 | 62 | -2 |