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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.

☀️ Summers

Mild

Highs near 19°C in July.

❄️ Winters

Very cold

Lows near −13°C in January.

About 187 freezing nights a year

🌧️ Rain & snow

Fairly dry

About 449 mm of rain a year, plus 179 cm of snow.

Snow falls through the winter months

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

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 figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Eagle 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 (m/s)	1.6	1.6	1.5	1.3	0.9	0.6	0.7	0.8	0.9	1.0	1.3	1.6

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 (m/s)	1.6	1.6	1.5	1.3	0.9	0.6

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 (m/s)	0.7	0.8	0.9	1.0	1.3	1.6

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.

How we build these numbers →