City in Alaska, United States
Anchorage weather by month and the best time to visit
When to go to Anchorage
Jun–Aug has near-24-hour daylight and the best hiking; Sep–Mar brings northern lights (Sep and Mar best). Winter is dark and cold, down to -15°C.
Anchorage weather by month
Average daily high, rainfall and conditions.
- Jan-4°53 mm
- Feb-2°51 mm
- Mar-1°39 mm
- Apr5°38 mm
- May12°47 mm
- Jun16°59 mm
- Jul18°83 mm
- Aug18°110 mm
- Sep13°118 mm
- Oct6°87 mm
- Nov-1°71 mm
- Dec-3°64 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | -4°C24°F | -8°C17°F | 53 mm | 92% | Freezing |
| February | -2°C28°F | -7°C19°F | 51 mm | 91% | Freezing |
| March | -1°C31°F | -7°C19°F | 39 mm | 88% | Freezing |
| April | 5°C41°F | -1°C31°F | 38 mm | 82% | Cold |
| May | 12°C53°F | 5°C41°F | 47 mm | 78% | Cool |
| June | 16°C61°F | 10°C49°F | 59 mm | 79% | Cool |
| July | 18°C65°F | 12°C54°F | 83 mm | 81% | Pleasant |
| August | 18°C64°F | 12°C53°F | 110 mm | 82% | Cool |
| September | 13°C55°F | 8°C46°F | 118 mm | 84% | Cool |
| October | 6°C43°F | 2°C35°F | 87 mm | 88% | Cold |
| November | -1°C29°F | -5°C22°F | 71 mm | 92% | Freezing |
| December | -3°C26°F | -7°C19°F | 64 mm | 93% | Freezing |
Best months across United States
| Place | Best months | Warmest month |
|---|---|---|
| New York City | Apr–Jun, Sep–Oct | Jul (26°C) |
| Las Vegas | Mar–May, Oct–Nov | Jul (42°C) |
| Los Angeles | Mar–May, Sep–Nov | Aug (32°C) |
| Orlando | Feb–Apr, Nov | May (31°C) |
| Miami | Nov–Apr | Aug (30°C) |
| San Francisco | Apr–May, Sep–Oct | Sep (24°C) |
| Honolulu | Apr–Jun, Sep–Oct | Sep (28°C) |
| Washington, D.C. | Mar–May, Sep–Oct | Jul (31°C) |
| Chicago | May–Jun, Sep–Oct | Jul (25°C) |
| Boston | May–Jun, Sep–Oct | Jul (28°C) |
| New Orleans | Feb–Apr, Oct–Nov | Jul (30°C) |
| San Diego | Apr–May, Sep–Nov | Aug (32°C) |
| Seattle | Jun–Sep | Aug (24°C) |
| Maui | Apr–May, Sep–Oct | Sep (22°C) |
| Nashville | Apr–May, Sep–Oct | Aug (32°C) |
| Austin | Mar–May, Oct–Nov | Aug (36°C) |
| Miami Beach | Nov–Apr | Aug (30°C) |
| Key West | Dec–Apr | Aug (30°C) |
| Denver | May–Jun, Sep–Oct | Jul (33°C) |
| Philadelphia | Apr–May, Sep–Oct | Jul (30°C) |
| Portland | Jun–Sep | Aug (29°C) |
| Atlanta | Mar–May, Oct–Nov | Jul (32°C) |
| San Antonio | Mar–May, Oct–Nov | Aug (36°C) |
| Charleston | Mar–May, Oct–Nov | Jul (32°C) |
| Savannah | Mar–May, Oct–Nov | Jul (33°C) |
| Fort Lauderdale | Dec–Apr | Aug (30°C) |
| Kauai | Apr–Jun, Sep–Oct | Sep (27°C) |
| Big Island | Apr–Jun, Sep–Oct | Aug (26°C) |
| Sedona | Mar–May, Sep–Nov | Jul (35°C) |
| Anchorage | Feb–Mar, Jun–Sep | Jul (18°C) |
Quick answers
What is the best month to visit Anchorage?
Feb–Mar, Jun–Sep. Jun–Aug has near-24-hour daylight and the best hiking; Sep–Mar brings northern lights (Sep and Mar best). Winter is dark and cold, down to -15°C.
When is the rainy season in Anchorage?
Rain peaks in September with about 118 mm. No month averages 150 mm or more.
What is the hottest month in Anchorage?
July, with average highs of 18°C (65°F).
How cold does Anchorage get?
The coolest nights are in January, averaging -8°C (17°F).
More about Anchorage
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Sources
- NASA POWER climatology (2001–2020)
- People Mover (Municipality of Anchorage)
- Ted Stevens Anchorage International Airport
- Alaska Railroad
- Visit Anchorage
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 1.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.