Anchorage (AK) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Anchorage

Anchorage average temperature chart (Celsius) Anchorage average temperature chart (Fahrenheit)
Average monthly temperatures in Anchorage (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -6.7 -3.5 0.1 6 12.3 16.2 18.3 17.1 12.8 4.6 -3 -6.2
°F 20 25.6 32.3 42.7 54.1 61.1 64.9 62.7 55.1 40.3 26.6 20.9

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Anchorage monthly rainfall chart (mm) Anchorage monthly rainfall chart (inches)
Average monthly rainfall in Anchorage (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 29 24 22 16 20 30 55 65 68 48 33 34
inches 1.1 1 0.9 0.6 0.8 1.2 2.2 2.5 2.7 1.9 1.3 1.4
Rainy days 8 8 8 7 8 9 12 14 14 12 9 11

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Anchorage

Anchorage average daily sunshine chart
Average daily sunshine Anchorage
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.6 5.2 7.2 8.8 10.7 5.4 4.4 7.4 6 4.4 3.4 2.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Anchorage average minimum / maximum temperatures (Celsius) Anchorage average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Anchorage (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -14.3 -11.7 -8.4 -2 3.7 8.5 11 9.6 5.2 -2.2 -10 -13.4
Max °C -6.5 -3.4 0.4 6.2 12.5 16.4 18.5 17.3 13 4.8 -2.9 -6
Min °F 6.3 11 17 28.5 38.7 47.2 51.7 49.2 41.4 28.1 14.1 7.9
Max °F 13.3 18.5 24.8 35.8 46.6 54.3 58.5 56.1 48.4 34.3 20.5 14.5

Sea temperature

The graph below shows the average sea temperature.

Anchorage average sea temperature chart (Celsius) Anchorage average sea temperature chart (Fahrenheit)
Average sea temperature around Anchorage in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.9 4.3 3.8 4.2 6 8.9 11.5 12.3 11 8.6 6.6 5.5
°F 40.8 39.7 38.9 39.5 42.8 48.1 52.7 54.1 51.8 47.6 44 41.9

Wind speed

The graph below shows the average wind speed.

Anchorage average winspeed by month (km/h) Anchorage average winspeed by month (mph)
Average wind speed in Anchorage (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 11 11 12 13 13 11 11 10 11 11 10
mph 7 7 7 7 8 8 7 7 7 7 7 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Anchorage relative humidity averages
Average relative humidity in Anchorage
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 72% 67% 65% 63% 67% 72% 76% 77% 76% 77% 77%
Anchorage

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Anchorage weather stats

Anchorage weather statistics
Hottest month: July 18.3°C 64.9°F
Driest month: April 16mm 0.6ins
Sunniest month: March 7.2hrs
Coldest month: January -6.7°C 19.9°F
Wettest month: September 68mm 2.7ins
Warmest sea: August 12.3°C 54.1°F
Map showing location of Anchorage (61.21806, -149.90028)

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