Anchorage weather by month

Frost and snow-likely months in Anchorage

Nights in Anchorage average 36°F (2°C) or below in 7 months (January, February, March, April, October, November and December). January, February, March, April, November and December combine average lows at or below 32°F (0°C) with 0.4 in (10 mm) or more of monthly precipitation, so precipitation then is likely to fall as snow. The coldest month is December with an average low of 14°F (-10°C) and a record low of -8°F (-22°C).

• January: average low 16°F (-9°C), record low -13°F (-25°C), 0.9 in (22 mm) of precipitation — snow-likely
• February: average low 16°F (-9°C), record low -9°F (-23°C), 0.5 in (13 mm) of precipitation — snow-likely
• March: average low 18°F (-8°C), record low -7°F (-21°C), 0.9 in (22 mm) of precipitation — snow-likely
• April: average low 31°F (0°C), record low 14°F (-10°C), 1.7 in (43 mm) of precipitation — snow-likely
• October: average low 34°F (1°C), record low 15°F (-10°C), 5.9 in (149 mm) of precipitation
• November: average low 19°F (-7°C), record low -1°F (-18°C), 0.9 in (22 mm) of precipitation — snow-likely
• December: average low 14°F (-10°C), record low -8°F (-22°C), 0.6 in (15 mm) of precipitation — snow-likely

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Anchorage

The most comfortable time to visit Anchorage is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around September, totalling about 33.5 in (851 mm) a year.

Travellers who prefer heat should aim for July, when highs average 67°F (19°C). September is the month to avoid if rain would spoil your plans — it averages 7.1 in (180 mm), roughly 13× the rainfall of the driest month (February).