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Best time to visit · Alaska, United States
For the most comfortable weather in Anchorage, aim for June – August. July tops our comfort score at 77/100, with highs around 65°F (18°C) and 3.3 in (83 mm) of rain. May and September are good shoulder-season months. The toughest months are October – December, mainly because of cool days.
Highs run from 24°F to 65°F across the year, and the yearly total is about 32.3 in (820 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 24°F-4°C | 28°F-2°C | 31°F-1°C | 41°F5°C | 53°F12°C | 61°F16°C | 65°F18°C | 63°F17°C | 55°F13°C | 42°F6°C | 29°F-1°C | 26°F-3°C |
| Avg low | 17°F-9°C | 19°F-7°C | 19°F-7°C | 31°F-1°C | 41°F5°C | 49°F9°C | 54°F12°C | 53°F11°C | 45°F7°C | 35°F2°C | 22°F-6°C | 19°F-7°C |
| Rain/snow | 2.1 in53 mm | 2.0 in51 mm | 1.5 in39 mm | 1.5 in38 mm | 1.9 in47 mm | 2.3 in59 mm | 3.3 in83 mm | 4.3 in110 mm | 4.6 in118 mm | 3.4 in87 mm | 2.8 in71 mm | 2.5 in64 mm |
| Humidity | 92% | 91% | 88% | 82% | 78% | 79% | 81% | 82% | 84% | 88% | 92% | 93% |
| Cloud | 65% | 69% | 63% | 72% | 79% | 81% | 83% | 79% | 78% | 77% | 70% | 72% |
| Comfort | 47 | 46 | 49 | 47 | 64 | 75 | 77 | 73 | 59 | 42 | 43 | 43 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~296 m (971 ft) to Anchorage's ~32 m (105 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 24–28°F (-4–-2°C), and nights reach 17°F (-9°C). About 6.6 in (168 mm) of rain or snow falls across these months, 20% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in December; the season averages 45/100.
Temperatures climb through the season, from 31°F highs in March to 53°F by May. It's the driest season, with only about 4.9 in (124 mm) of rain or snow, 15% of the year's total. March is cold enough for snow. May score well without being the very best (season average 53/100).
Peak warmth: highs of 61–65°F (16–18°C). About 9.9 in (252 mm) of rain falls across these months, 31% of the year's total. Lows bottom out around 49°F (9°C). Comfort peaks here: June – August rank with the year's best, and the season averages 75/100.
Temperatures slide from 55°F highs in September to 29°F by November. It's the wettest season, with about 10.9 in (276 mm) of rain or snow, 34% of the year's total. November is cold enough for snow. It holds the toughest stretch on our comfort score (October & November), averaging 48/100.
By comfort score: 2 Great, 2 Good, 5 Fair and 3 Tough. Great months: June & July. Tap a month for its own guide.
For the most comfortable weather in Anchorage, aim for June – August. July tops our comfort score at 77/100, with highs around 65°F (18°C) and 3.3 in (83 mm) of rain. May and September are good shoulder-season months. The toughest months are October – December, mainly because of cool days.
September is the wettest month, averaging about 4.6 in (118 mm) of rain. April is the driest, with about 1.5 in (38 mm). The yearly total is around 32.3 in (820 mm).
January is the coldest, with average lows of 17°F (-9°C) and highs of 24°F (-4°C). The warmest is July, with average highs of 65°F (18°C).
Not very: summer (June – August) humidity averages 81%, and highs peak around 65°F (18°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in November – April, bottoming out around 17°F (-9°C) in January.
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