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Danville, Virginia climate
Cfa Humid subtropical
Danville has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 33°C, while the coldest is January averaging around −3°C at night. Precipitation is fairly even year-round, totalling about 1197 mm. Snow is occasional (12 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 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 countsDanville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 12 | 16 | 22 | 27 | 31 | 33 | 32 | 28 | 22 | 16 | 11 |
| Avg temp (°C) | 3 | 5 | 9 | 14 | 19 | 24 | 26 | 25 | 22 | 15 | 9 | 5 |
| Avg low (°C) | −3 | −2 | 1 | 6 | 12 | 17 | 20 | 19 | 15 | 8 | 2 | −1 |
| Precipitation (mm) | 95 | 78 | 104 | 99 | 113 | 105 | 122 | 103 | 116 | 92 | 85 | 85 |
| Snowfall (cm) | 4 | 3 | 1 | — | — | — | — | — | — | — | — | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 12 | 16 | 22 | 27 | 31 |
| Avg temp (°C) | 3 | 5 | 9 | 14 | 19 | 24 |
| Avg low (°C) | −3 | −2 | 1 | 6 | 12 | 17 |
| Precipitation (mm) | 95 | 78 | 104 | 99 | 113 | 105 |
| Snowfall (cm) | 4 | 3 | 1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 32 | 28 | 22 | 16 | 11 |
| Avg temp (°C) | 26 | 25 | 22 | 15 | 9 | 5 |
| Avg low (°C) | 20 | 19 | 15 | 8 | 2 | −1 |
| Precipitation (mm) | 122 | 103 | 116 | 92 | 85 | 85 |
| Snowfall (cm) | — | — | — | — | — | 4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 10 | 9 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 9 |
| Days with high ≥ 32°C (days) | — | — | — | 0.7 | 3 | 10 | 18 | 14 | 5 | 0.3 | — | — |
| Days with low ≤ 0°C (days) | 21 | 18 | 10 | 1 | 0.1 | — | 0.0 | — | — | 0.8 | 11 | 20 |
| Days with snowfall ≥ 2.5 cm (days) | 0.6 | 0.4 | 0.0 | 0.0 | — | — | — | — | — | — | — | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 8 | 10 | 9 | 10 | 9 |
| Days with high ≥ 32°C (days) | — | — | — | 0.7 | 3 | 10 |
| Days with low ≤ 0°C (days) | 21 | 18 | 10 | 1 | 0.1 | — |
| Days with snowfall ≥ 2.5 cm (days) | 0.6 | 0.4 | 0.0 | 0.0 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 8 | 8 | 8 | 9 |
| Days with high ≥ 32°C (days) | 18 | 14 | 5 | 0.3 | — | — |
| Days with low ≤ 0°C (days) | 0.0 | — | — | 0.8 | 11 | 20 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | — | 0.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 60 | 60 | 58 | 61 | 58 | 60 | 57 | 53 | 48 | 52 | 59 |
| Clear days (≤ 30% cloud) | 8 | 6 | 7 | 8 | 6 | 6 | 6 | 7 | 9 | 12 | 10 | 8 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 10 | 10 | 12 | 13 | 12 | 9 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 13 | 13 | 14 | 13 | 14 | 12 | 13 | 12 | 11 | 10 | 11 | 14 |
| Relative humidity (%) | 82 | 80 | 79 | 76 | 77 | 73 | 69 | 70 | 72 | 74 | 76 | 81 |
| Wind speed (mph) | 3.1 | 3.4 | 3.4 | 3.2 | 2.7 | 2.3 | 2.2 | 2.1 | 2.4 | 2.5 | 2.6 | 2.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 60 | 60 | 58 | 61 | 58 |
| Clear days (≤ 30% cloud) | 8 | 6 | 7 | 8 | 6 | 6 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 10 | 10 | 12 |
| Cloudy days (≥ 70%) | 13 | 13 | 14 | 13 | 14 | 12 |
| Relative humidity (%) | 82 | 80 | 79 | 76 | 77 | 73 |
| Wind speed (mph) | 3.1 | 3.4 | 3.4 | 3.2 | 2.7 | 2.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 57 | 53 | 48 | 52 | 59 |
| Clear days (≤ 30% cloud) | 6 | 7 | 9 | 12 | 10 | 8 |
| Partly cloudy days (30–70%) | 13 | 12 | 9 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 13 | 12 | 11 | 10 | 11 | 14 |
| Relative humidity (%) | 69 | 70 | 72 | 74 | 76 | 81 |
| Wind speed (mph) | 2.2 | 2.1 | 2.4 | 2.5 | 2.6 | 2.6 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Danville 2 SE (NOAA GHCN station USC00442245), 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.