Monthly weather forecast and climate
Anchorage, AK

Wintertime in Anchorage, Alaska with mountains blanketed in snow
Wintertime in Anchorage, Alaska with mountains blanketed in snow

What is the coldest month in Anchorage?

January is the coldest month in Anchorage, with an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 11.5°F (-11.4°C).

How many days does it rain in Anchorage?

Throughout the year, there are 115.1 rainfall days, and 16.7" (423.4mm) of precipitation is accumulated.

When does it snow in Anchorage?

January through May, September through December are months with snowfall in Anchorage.

How much does it snow in Anchorage?

Throughout the year, in Anchorage, there are 47.6 snowfall days, and 82.1" (2085.4mm) of snow is accumulated.

What is the driest month in Anchorage?

The month with the least rainfall in Anchorage is April when the rain falls for 5.5 days and typically collects 0.5" (11.9mm) of precipitation.

What is the warmest month in Anchorage?

With an average high-temperature of 65.5°F (18.6°C) and an average low-temperature of 51.3°F (10.7°C), July is the warmest month.

What is the wettest month in Anchorage?

The month with the most rainfall in Anchorage is August when the rain falls for 13.8 days and typically aggregates up to 3.3" (82.6mm) of precipitation.

When does it snow the most in Anchorage?

December is the month with the most snowfall in Anchorage. Snow falls for 10.5 days and accumulates 20.5" (520.7mm) of snow.
Average temperature - Anchorage, AK
Average humidity - Anchorage, AK

Months with the highest relative humidity are November and December (77.1%).
The month with the lowest relative humidity is May (61.6%).

Average rainfall - Anchorage, AK
Average rainfall days - Anchorage, AK

The month with the highest number of rainy days is September (14.5 days).
The month with the lowest number of rainy days is April (5.5 days).

Average snowfall - Anchorage, AK
Average snowfall days - Anchorage, AK

The month with the highest number of snowfall days is December (10.5 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average sea temperature - Anchorage, AK

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is February (35.8°F).

Average daylight / Average sunshine - Anchorage, AK
Average UV index - Anchorage, AK
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