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Christiansburg, Virginia climate

Cfa Humid subtropical

Christiansburg has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 28°C, while the coldest is January averaging around −5°C at night. Precipitation is fairly even year-round, totalling about 1070 mm. Light snow accumulates each winter (55 cm of snow per year on average).

☀️ Summers

Warm

Highs near 28°C in July.

About 5 days a year above 32 °C

❄️ Winters

Cold

Lows near −5°C in January.

About 102 freezing nights a year

🌧️ Rain & snow

Wet

About 1070 mm of rain a year, plus 55 cm of snow.

Snow falls through the winter months

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

−0.4 °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

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

Christiansburg climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	5	7	12	18	22	26	28	27	24	18	13	7
Avg temp (°C)	0	2	6	11	16	20	22	21	18	12	7	2
Avg low (°C)	−5	−3	0	5	10	14	17	16	12	6	1	−3
Precipitation (mm)	81	71	94	88	119	103	105	86	95	74	72	82
Snowfall (cm)	16	17	9	1	—	—	—	—	—	—	1	11

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	5	7	12	18	22	26
Avg temp (°C)	0	2	6	11	16	20
Avg low (°C)	−5	−3	0	5	10	14
Precipitation (mm)	81	71	94	88	119	103
Snowfall (cm)	16	17	9	1	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	28	27	24	18	13	7
Avg temp (°C)	22	21	18	12	7	2
Avg low (°C)	17	16	12	6	1	−3
Precipitation (mm)	105	86	95	74	72	82
Snowfall (cm)	—	—	—	—	1	11

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	11	10	11	12	13	12	11	11	9	10	9	11
Days with high ≥ 32°C (days)	—	—	—	—	0.0	0.3	2	2	0.7	0.1	—	—
Days with low ≤ 0°C (days)	23	21	15	4	0.3	—	—	—	—	3	14	22
Days with snowfall ≥ 2.5 cm (days)	2	2	1	0.1	—	—	—	—	—	—	0.1	1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	11	10	11	12	13	12
Days with high ≥ 32°C (days)	—	—	—	—	0.0	0.3
Days with low ≤ 0°C (days)	23	21	15	4	0.3	—
Days with snowfall ≥ 2.5 cm (days)	2	2	1	0.1	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	11	11	9	10	9	11
Days with high ≥ 32°C (days)	2	2	0.7	0.1	—	—
Days with low ≤ 0°C (days)	—	—	—	3	14	22
Days with snowfall ≥ 2.5 cm (days)	—	—	—	—	0.1	1

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	70	70	68	65	67	64	62	61	57	55	61	70
Clear days (≤ 30% cloud)	4	3	5	6	4	4	5	5	7	9	7	4
Partly cloudy days (30–70%)	9	8	9	9	10	12	13	13	10	10	10	9
Cloudy days (≥ 70%)	18	17	17	16	16	14	13	13	12	13	14	18
Relative humidity (%)	83	82	80	77	78	77	74	72	72	74	76	82
Wind speed (m/s)	0.3	0.4	0.2	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	70	70	68	65	67	64
Clear days (≤ 30% cloud)	4	3	5	6	4	4
Partly cloudy days (30–70%)	9	8	9	9	10	12
Cloudy days (≥ 70%)	18	17	17	16	16	14
Relative humidity (%)	83	82	80	77	78	77
Wind speed (m/s)	0.3	0.4	0.2	0.1	0.1	0.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	62	61	57	55	61	70
Clear days (≤ 30% cloud)	5	5	7	9	7	4
Partly cloudy days (30–70%)	13	13	10	10	10	9
Cloudy days (≥ 70%)	13	13	12	13	14	18
Relative humidity (%)	74	72	72	74	76	82
Wind speed (m/s)	0.1	0.1	0.1	0.1	0.1	0.1

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Christiansburg (NOAA GHCN station USC00441692), inside the city.

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 →