United States · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Anchorage are June, July and August, when daytime temperatures are agreeable and rainfall is relatively low.
Anchorage sees its warmest weather in July, when daytime highs average around 19°C, and its coolest in January (around -5°C).
Annual precipitation totals roughly 417mm — September is typically the wettest month (~79mm) and April the driest (~11mm).
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | -5° / -12°C | 19mm | 🤔 Fair |
| February | -3° / -9°C | 22mm | 🤔 Fair |
| March | 1° / -7°C | 18mm | 🤔 Fair |
| April | 7° / -1°C | 11mm | 🤔 Fair |
| May | 14° / 4°C | 17mm | 👍 Good |
| June | 17° / 9°C | 26mm | 🌟 Great |
| July | 19° / 12°C | 46mm | 🌟 Great |
| August | 18° / 11°C | 75mm | 👍 Good |
| September | 13° / 6°C | 79mm | 🤔 Fair |
| October | 6° / -1°C | 46mm | 🤔 Fair |
| November | -2° / -8°C | 30mm | 🤔 Fair |
| December | -4° / -10°C | 29mm | 🤔 Fair |
January in Anchorage is freezing, with daytime highs below zero, with average daytime highs around -5°C (23°F) and nighttime lows near -12°C (11°F). Expect roughly 19mm of precipitation spread over about 5 rainy days, and rain is rare.
🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat
February in Anchorage is freezing, with daytime highs below zero, with average daytime highs around -3°C (27°F) and nighttime lows near -9°C (15°F). Expect roughly 22mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat
March in Anchorage is cold, with average daytime highs around 1°C (33°F) and nighttime lows near -7°C (19°F). Expect roughly 18mm of precipitation spread over about 4 rainy days, and rain is rare.
🎒 What to pack — warm coat · sweaters and layers · scarf
April in Anchorage is cold, with average daytime highs around 7°C (45°F) and nighttime lows near -1°C (30°F). Expect roughly 11mm of precipitation spread over about 3 rainy days, and rain is rare.
🎒 What to pack — warm coat · sweaters and layers · scarf
May in Anchorage is chilly, with average daytime highs around 14°C (56°F) and nighttime lows near 4°C (40°F). Expect roughly 17mm of precipitation spread over about 4 rainy days, and rain is rare.
🎒 What to pack — jacket or coat · long-sleeve layers
June in Anchorage is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 9°C (48°F). Expect roughly 26mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light jacket · layers for cool evenings
July in Anchorage is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 12°C (53°F). Expect roughly 46mm of precipitation spread over about 8 rainy days, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
August in Anchorage is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 11°C (51°F). Expect roughly 75mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
September in Anchorage is chilly, with average daytime highs around 13°C (56°F) and nighttime lows near 6°C (43°F). Expect roughly 79mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
🎒 What to pack — jacket or coat · long-sleeve layers
October in Anchorage is cold, with average daytime highs around 6°C (42°F) and nighttime lows near -1°C (31°F). Expect roughly 46mm of precipitation spread over about 8 rainy days, with little rainfall.
🎒 What to pack — warm coat · sweaters and layers · scarf
November in Anchorage is freezing, with daytime highs below zero, with average daytime highs around -2°C (29°F) and nighttime lows near -8°C (18°F). Expect roughly 30mm of precipitation spread over about 7 rainy days, with little rainfall.
🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat
December in Anchorage is freezing, with daytime highs below zero, with average daytime highs around -4°C (25°F) and nighttime lows near -10°C (14°F). Expect roughly 29mm of precipitation spread over about 7 rainy days, with little rainfall.
🎒 What to pack — insulated winter coat · thermal layers · gloves and a warm hat