Anchorage, Alaska weather in May

Averages from 2021–2025 (155 days of record).

Average high: 57°F
Average low: 40°F
Rainy days: ~11 per month
Total precipitation: 2.2 in
Warmest recorded: 78°F
Coldest recorded: 26°F

Expect May days in Anchorage, Alaska to top out around 57°F and cool to about 40°F overnight, with roughly 11 days of measurable rain across the month. In recent years May has ranged from 26°F to 78°F.

Other months

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Current Anchorage, Alaska forecast → · Historical data by Open-Meteo (ERA5).