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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 19°C, while the coldest is January averaging around −13°C at night. Precipitation totals about 449 mm a year and is strongly seasonal — August alone averages 72 mm while April barely receives 14 mm. Snowfall is heavy (179 cm 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 (°C) | −7 | −3 | 1 | 8 | 14 | 18 | 19 | 17 | 12 | 4 | −4 | −6 |
| Avg temp (°C) | −10 | −7 | −4 | 3 | 9 | 13 | 15 | 13 | 8 | 1 | −6 | −8 |
| Avg low (°C) | −13 | −10 | −9 | −2 | 3 | 8 | 10 | 9 | 5 | −2 | −9 | −11 |
| Precipitation (mm) | 25 | 29 | 22 | 14 | 23 | 29 | 53 | 72 | 68 | 44 | 40 | 31 |
| Snowfall (cm) | 32 | 30 | 23 | 11 | 1 | — | — | — | 1 | 9 | 31 | 41 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −7 | −3 | 1 | 8 | 14 | 18 |
| Avg temp (°C) | −10 | −7 | −4 | 3 | 9 | 13 |
| Avg low (°C) | −13 | −10 | −9 | −2 | 3 | 8 |
| Precipitation (mm) | 25 | 29 | 22 | 14 | 23 | 29 |
| Snowfall (cm) | 32 | 30 | 23 | 11 | 1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 17 | 12 | 4 | −4 | −6 |
| Avg temp (°C) | 15 | 13 | 8 | 1 | −6 | −8 |
| Avg low (°C) | 10 | 9 | 5 | −2 | −9 | −11 |
| Precipitation (mm) | 53 | 72 | 68 | 44 | 40 | 31 |
| Snowfall (cm) | — | — | 1 | 9 | 31 | 41 |
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 ≤ 0°C (days) | 30 | 27 | 29 | 21 | 3 | — | 0.1 | 0.1 | 3 | 17 | 27 | 29 |
| Days with snowfall ≥ 2.5 cm (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 ≤ 0°C (days) | 30 | 27 | 29 | 21 | 3 | — |
| Days with snowfall ≥ 2.5 cm (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 ≤ 0°C (days) | 0.1 | 0.1 | 3 | 17 | 27 | 29 |
| Days with snowfall ≥ 2.5 cm (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.