May 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 temperature in May in Anchorage?

The average high-temperature, in May, in Anchorage, is 56.8°F (13.8°C), while the average low-temperature is 38.8°F (3.8°C).

How much does it rain in Anchorage in May?

In Anchorage, during May, the rain falls for 7 days and regularly aggregates up to 0.8" (19.3mm) of precipitation.

What is the last month it snows in Anchorage?

May is the last month it regularly snows in Anchorage, Alaska. During 0.5 snowfall days, in May, Anchorage aggregates 0.6" (15.2mm) of snow.
Average temperature in May - Anchorage, AK
  • Average high temperature in May: 56.9°F

The warmest month (with the highest average high temperature) is July (65.4°F).
The month with the lowest average high temperature is January (22.7°F).

  • Average low temperature in May: 38.9°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (11.4°F).

Average humidity in May - Anchorage, AK
  • Average humidity in May: 61.6%

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 in May - Anchorage, AK
  • Average rainfall in May: 0.8"

The wettest month (with the highest rainfall) is August (3.3").
The driest month (with the lowest rainfall) is April (0.5").

Average rainfall days in May - Anchorage, AK
  • Average rainfall days in May: 7 days

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 in May - Anchorage, AK
  • Average snowfall in May: 0.6"

The month with the highest snowfall is December (20.5").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in May - Anchorage, AK
  • Average snowfall days in May: 0.5 days

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 in May - Anchorage, AK
  • Average sea temperature in May: 42.4°F

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 in May / Average sunshine in May - Anchorage, AK
  • Average daylight in May: 17.6h

The month with the longest days is June (Average daylight: 19.2h).
The month with shortest days is December (Average daylight: 5.6h).

  • Average sunshine in May: 9.3h

The month with most sunshine is May (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in May - Anchorage, AK
  • Average UV index in May: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).

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