Alaska climate
World Climates covers 1 place in Alaska. Anchorage has a warm-summer humid continental climate (Köppen Dfb).
Climate of Anchorage at a glance
The year average in Anchorage is 4 °C38 °F. The warmest month is July, with an average high of 18 °C65 °F. The coldest is January, with an average low of −9 °C16 °F. About 822 mm32 in of precipitation falls in a year. September is the wettest month and April the driest. By our comfort score, the best months to visit are June and July.
Frequently asked questions
How many places in Alaska does this site cover?
World Climates has climate data for one place in Alaska: Anchorage. Its page has monthly averages for temperature, rainfall, humidity and daylight.
What is the warmest month in Anchorage?
July is the warmest month, with an average high of 18 °C65 °F. January is the coldest, with an average low of −9 °C16 °F.
When does it rain the most in Anchorage?
September is the wettest month, with about 118 mm4.7 in of precipitation. The yearly total is about 822 mm32 in.
When is the best time to visit Anchorage?
By our comfort score, the most comfortable months are June and July. The score is based on long-term averages, not on a forecast.
Climate of every place in Alaska
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Anchorage | 4 | 18 | −9 | 822 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.