Ketchikan, AK
Climate overview — based on NOAA 1991-2020 normals from BEAVER FALLS, AK US.
Year-round temperatures (°F)
Climate summary
Ketchikan has an annual average temperature of 47.3°F with about 157.3 inches of precipitation per year. The warmest month is August (average high 66.8°F), and the coldest is January (average low 32.3°F). November is typically the wettest month (19.46 in) and June the driest (5.86 in).
Best time to visit Ketchikan
Full guide →Climate change signal
All-time records →15 of 366 (4.1%) of Ketchikan's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 12 | |
| 1950s | 62 | |
| 1960s | 48 | |
| 1970s | 33 | |
| 1980s | 48 | |
| 1990s | 86 | |
| 2000s | 45 | |
| 2010s | 32 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 39.1°F | 32.3°F | 35.7°F | 17.63 in | — | 22 |
| February | 41.3°F | 33.1°F | 37.2°F | 11.13 in | — | 18 |
| March | 44.9°F | 34.8°F | 39.8°F | 12.64 in | — | 22 |
| April | 51.6°F | 38.8°F | 45.2°F | 9.53 in | — | 20 |
| May | 59.3°F | 45.1°F | 52.2°F | 7.19 in | — | 16 |
| June | 63.7°F | 50.3°F | 57.0°F | 5.86 in | — | 16 |
| July | 66.2°F | 54.3°F | 60.3°F | 6.51 in | — | 18 |
| August | 66.8°F | 54.3°F | 60.5°F | 11.16 in | — | 18 |
| September | 60.0°F | 50.4°F | 55.2°F | 17.68 in | — | 22 |
| October | 51.8°F | 43.4°F | 47.6°F | 19.10 in | — | 24 |
| November | 43.4°F | 37.1°F | 40.3°F | 19.46 in | — | 24 |
| December | 39.5°F | 33.4°F | 36.5°F | 19.38 in | — | 22 |
Climate twins of Ketchikan
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).