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Winnemucca, Nevada climate

BSk Cold semi-arid

Winnemucca has a seasonal cool-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 33°C, while the coldest is December averaging around −8°C at night. Precipitation totals about 216 mm a year and is strongly seasonal — May alone averages 32 mm while July barely receives 5 mm. Light snow accumulates each winter (55 cm of snow per year on average).

☀️ Summers

Hot

Highs near 33°C in July.

About 60 days a year above 32 °C

❄️ Winters

Very cold

Lows near −8°C in December.

About 169 freezing nights a year

🌧️ Rain & snow

Very dry

About 216 mm of rain a year, plus 55 cm of snow.

Snow falls through the winter months

⛅ Sky & trend

Fairly sunny

More sun than cloud through the year.

−0.0 °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)

Winnemucca climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	5	8	13	16	22	28	33	33	27	19	11	5
Avg temp (°C)	−1	2	5	8	13	18	24	22	17	10	4	−1
Avg low (°C)	−7	−5	−3	0	5	9	14	11	6	0	−4	−8
Precipitation (mm)	22	18	19	26	32	16	5	5	10	20	19	25
Snowfall (cm)	11	8	8	5	—	—	—	—	0	1	7	16

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	5	8	13	16	22	28
Avg temp (°C)	−1	2	5	8	13	18
Avg low (°C)	−7	−5	−3	0	5	9
Precipitation (mm)	22	18	19	26	32	16
Snowfall (cm)	11	8	8	5	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	33	33	27	19	11	5
Avg temp (°C)	24	22	17	10	4	−1
Avg low (°C)	14	11	6	0	−4	−8
Precipitation (mm)	5	5	10	20	19	25
Snowfall (cm)	—	—	0	1	7	16

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	6	7	6	7	3	2	2	2	4	5	7
Days with high ≥ 32°C (days)	—	—	—	0.1	1	8	24	20	6	0.2	—	—
Days with low ≤ 0°C (days)	28	24	24	15	5	0.7	—	—	2	18	24	29
Days with snowfall ≥ 2.5 cm (days)	2	1	1.0	0.8	0.0	—	—	—	—	0.1	0.8	2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	7	6	7	6	7	3
Days with high ≥ 32°C (days)	—	—	—	0.1	1	8
Days with low ≤ 0°C (days)	28	24	24	15	5	0.7
Days with snowfall ≥ 2.5 cm (days)	2	1	1.0	0.8	0.0	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	2	2	2	4	5	7
Days with high ≥ 32°C (days)	24	20	6	0.2	—	—
Days with low ≤ 0°C (days)	—	—	2	18	24	29
Days with snowfall ≥ 2.5 cm (days)	—	—	—	0.1	0.8	2

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	61	60	59	58	52	37	29	27	30	39	53	62
Relative humidity (%)	74	65	57	52	46	37	27	24	30	42	57	71
Wind speed (mph)	4.3	4.8	5.2	5.5	5.0	4.9	4.5	4.5	4.4	4.4	4.4	4.3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	61	60	59	58	52	37
Relative humidity (%)	74	65	57	52	46	37
Wind speed (mph)	4.3	4.8	5.2	5.5	5.0	4.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	29	27	30	39	53	62
Relative humidity (%)	27	24	30	42	57	71
Wind speed (mph)	4.5	4.5	4.4	4.4	4.4	4.3

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Winnemucca 3ssw (NOAA GHCN station USC00269168), about 4 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 →