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Eagle River, Alaska climate
Dfc Subarctic
Eagle River has a seasonal cold-temperate climate (Subarctic, Köppen Dfc). The hottest month is July with an average daily high near 67°F, while the coldest is January averaging around 9°F at night. Precipitation totals about 18 inches a year and is strongly seasonal — August alone averages 2.8 inches while April barely receives 0.55 inches. Snowfall is heavy (70 inches of snow per year on average). At latitude 61°N, day length swings from 5.0 hours in midwinter to 18.9 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsEagle River climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 20 | 27 | 33 | 46 | 58 | 64 | 67 | 63 | 54 | 40 | 26 | 22 |
| Avg temp (°F) | 15 | 20 | 25 | 38 | 48 | 55 | 59 | 56 | 47 | 34 | 21 | 17 |
| Avg low (°F) | 9 | 13 | 16 | 29 | 38 | 46 | 50 | 48 | 40 | 28 | 16 | 12 |
| Precipitation (in) | 1.0 | 1.1 | 0.9 | 0.6 | 0.9 | 1.1 | 2.1 | 2.8 | 2.7 | 1.7 | 1.6 | 1.2 |
| Snowfall (in) | 12.5 | 11.7 | 8.9 | 4.5 | 0.4 | — | — | — | 0.4 | 3.5 | 12.3 | 16.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 20 | 27 | 33 | 46 | 58 | 64 |
| Avg temp (°F) | 15 | 20 | 25 | 38 | 48 | 55 |
| Avg low (°F) | 9 | 13 | 16 | 29 | 38 | 46 |
| Precipitation (in) | 1.0 | 1.1 | 0.9 | 0.6 | 0.9 | 1.1 |
| Snowfall (in) | 12.5 | 11.7 | 8.9 | 4.5 | 0.4 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 67 | 63 | 54 | 40 | 26 | 22 |
| Avg temp (°F) | 59 | 56 | 47 | 34 | 21 | 17 |
| Avg low (°F) | 50 | 48 | 40 | 28 | 16 | 12 |
| Precipitation (in) | 2.1 | 2.8 | 2.7 | 1.7 | 1.6 | 1.2 |
| Snowfall (in) | — | — | 0.4 | 3.5 | 12.3 | 16.3 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 7 | 6 | 6 | 8 | 11 | 13 | 16 | 16 | 13 | 9 | 8 |
| Days with low ≤ 32°F (days) | 30 | 27 | 29 | 21 | 3 | — | 0.1 | 0.1 | 3 | 17 | 27 | 29 |
| Days with snowfall ≥ 1 in (days) | 4 | 4 | 3 | 1 | 0.2 | — | — | — | 0.2 | 1 | 4 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 7 | 6 | 6 | 8 | 11 |
| Days with low ≤ 32°F (days) | 30 | 27 | 29 | 21 | 3 | — |
| Days with snowfall ≥ 1 in (days) | 4 | 4 | 3 | 1 | 0.2 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 16 | 16 | 13 | 9 | 8 |
| Days with low ≤ 32°F (days) | 0.1 | 0.1 | 3 | 17 | 27 | 29 |
| Days with snowfall ≥ 1 in (days) | — | — | 0.2 | 1 | 4 | 5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 65 | 60 | 69 | 75 | 76 | 78 | 76 | 75 | 71 | 65 | 68 |
| Clear days (≤ 30% cloud) | 4 | 4 | 6 | 2 | 0.6 | 1 | 1 | 2 | 3 | 3 | 4 | 3 |
| Partly cloudy days (30–70%) | 12 | 9 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 15 | 15 | 13 | 17 | 20 | 20 | 22 | 21 | 20 | 19 | 16 | 17 |
| Relative humidity (%) | 87 | 86 | 82 | 74 | 72 | 74 | 78 | 79 | 80 | 84 | 87 | 89 |
| Wind speed (mph) | 3.7 | 3.6 | 3.4 | 2.9 | 2.0 | 1.4 | 1.5 | 1.7 | 2.0 | 2.3 | 3.0 | 3.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 65 | 60 | 69 | 75 | 76 |
| Clear days (≤ 30% cloud) | 4 | 4 | 6 | 2 | 0.6 | 1 |
| Partly cloudy days (30–70%) | 12 | 9 | 12 | 11 | 10 | 9 |
| Cloudy days (≥ 70%) | 15 | 15 | 13 | 17 | 20 | 20 |
| Relative humidity (%) | 87 | 86 | 82 | 74 | 72 | 74 |
| Wind speed (mph) | 3.7 | 3.6 | 3.4 | 2.9 | 2.0 | 1.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 76 | 75 | 71 | 65 | 68 |
| Clear days (≤ 30% cloud) | 1 | 2 | 3 | 3 | 4 | 3 |
| Partly cloudy days (30–70%) | 8 | 8 | 8 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 22 | 21 | 20 | 19 | 16 | 17 |
| Relative humidity (%) | 78 | 79 | 80 | 84 | 87 | 89 |
| Wind speed (mph) | 1.5 | 1.7 | 2.0 | 2.3 | 3.0 | 3.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Eagle Rvr Gakona Circle (NOAA GHCN station USC00502645), about 1 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.