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Nome, Alaska climate

Dfc Subarctic

Nome has a strongly seasonal subarctic climate (Subarctic, Köppen Dfc). The hottest month is July with an average daily high near 14°C, while the coldest is January averaging around −19°C at night. Precipitation totals about 437 mm a year and is strongly seasonal — August alone averages 82 mm while March barely receives 19 mm. Snowfall is heavy (205 cm of snow per year on average). At latitude 65°N, day length swings from 3.3 hours in midwinter to 20.6 hours at midsummer.

☀️ Summers

Cool

Highs near 14°C in July.

❄️ Winters

Bitterly cold

Lows near −19°C in January.

About 231 freezing nights a year

🌧️ Rain & snow

Fairly dry

About 437 mm of rain a year, plus 205 cm of snow.

Snow falls through the winter months

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.7 °C vs 50 years ago

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

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

Nome climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	−10	−8	−8	−1	6	13	14	13	9	2	−4	−9
Avg temp (°C)	−15	−13	−12	−5	3	9	11	10	6	−1	−8	−13
Avg low (°C)	−19	−17	−17	−9	−1	5	8	7	3	−4	−11	−17
Precipitation (mm)	24	25	19	19	23	25	60	82	56	47	32	27
Snowfall (cm)	34	37	27	17	5	1	—	—	1	12	31	40

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	−10	−8	−8	−1	6	13
Avg temp (°C)	−15	−13	−12	−5	3	9
Avg low (°C)	−19	−17	−17	−9	−1	5
Precipitation (mm)	24	25	19	19	23	25
Snowfall (cm)	34	37	27	17	5	1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	14	13	9	2	−4	−9
Avg temp (°C)	11	10	6	−1	−8	−13
Avg low (°C)	8	7	3	−4	−11	−17
Precipitation (mm)	60	82	56	47	32	27
Snowfall (cm)	—	—	1	12	31	40

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	10	10	9	8	9	9	13	15	14	13	11	11
Days with low ≤ 0°C (days)	31	28	31	28	18	2	0.1	1	9	23	29	31
Days with snowfall ≥ 2.5 cm (days)	4	5	3	3	0.6	0.1	—	—	0.1	1	4	5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	10	10	9	8	9	9
Days with low ≤ 0°C (days)	31	28	31	28	18	2
Days with snowfall ≥ 2.5 cm (days)	4	5	3	3	0.6	0.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	13	15	14	13	11	11
Days with low ≤ 0°C (days)	0.1	1	9	23	29	31
Days with snowfall ≥ 2.5 cm (days)	—	—	0.1	1	4	5

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	63	65	58	59	65	68	76	75	72	71	68	66
Relative humidity (%)	96	95	94	92	88	86	87	87	86	87	92	96
Wind speed (m/s)	5.3	5.6	4.8	4.4	3.7	3.5	3.8	4.4	4.9	5.2	5.9	5.6

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	63	65	58	59	65	68
Relative humidity (%)	96	95	94	92	88	86
Wind speed (m/s)	5.3	5.6	4.8	4.4	3.7	3.5

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	76	75	72	71	68	66
Relative humidity (%)	87	87	86	87	92	96
Wind speed (m/s)	3.8	4.4	4.9	5.2	5.9	5.6

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Nome AP (NOAA GHCN station USW00026617), about 2 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 →