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Chester, Virginia climate
Cfa Humid subtropical
Chester has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 32°C, while the coldest is January averaging around 0°C at night. Precipitation is fairly even year-round, totalling about 1272 mm. Snow is occasional (9 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 countsChester climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 12 | 17 | 23 | 26 | 30 | 32 | 31 | 28 | 23 | 17 | 12 |
| Avg temp (°C) | 5 | 6 | 10 | 16 | 20 | 25 | 27 | 26 | 23 | 17 | 11 | 7 |
| Avg low (°C) | 0 | 1 | 4 | 9 | 14 | 19 | 21 | 21 | 17 | 11 | 5 | 1 |
| Precipitation (mm) | 90 | 76 | 102 | 98 | 108 | 116 | 132 | 142 | 131 | 93 | 87 | 98 |
| Snowfall (cm) | 5 | 3 | — | — | — | — | — | — | — | — | — | 1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 12 | 17 | 23 | 26 | 30 |
| Avg temp (°C) | 5 | 6 | 10 | 16 | 20 | 25 |
| Avg low (°C) | 0 | 1 | 4 | 9 | 14 | 19 |
| Precipitation (mm) | 90 | 76 | 102 | 98 | 108 | 116 |
| Snowfall (cm) | 5 | 3 | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 31 | 28 | 23 | 17 | 12 |
| Avg temp (°C) | 27 | 26 | 23 | 17 | 11 | 7 |
| Avg low (°C) | 21 | 21 | 17 | 11 | 5 | 1 |
| Precipitation (mm) | 132 | 142 | 131 | 93 | 87 | 98 |
| Snowfall (cm) | — | — | — | — | — | 1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 9 | 8 | 8 | 8 | 10 |
| Days with high ≥ 32°C (days) | — | — | 0.1 | 0.7 | 3 | 11 | 18 | 13 | 5 | 0.6 | — | — |
| Days with low ≤ 0°C (days) | 16 | 14 | 7 | 0.8 | 0.1 | 0.0 | — | — | — | 0.3 | 6 | 13 |
| Days with snowfall ≥ 2.5 cm (days) | 0.5 | 0.3 | 0.1 | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 10 | 10 | 11 | 10 |
| Days with high ≥ 32°C (days) | — | — | 0.1 | 0.7 | 3 | 11 |
| Days with low ≤ 0°C (days) | 16 | 14 | 7 | 0.8 | 0.1 | 0.0 |
| Days with snowfall ≥ 2.5 cm (days) | 0.5 | 0.3 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 8 | 8 | 8 | 10 |
| Days with high ≥ 32°C (days) | 18 | 13 | 5 | 0.6 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.3 | 6 | 13 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | — | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 61 | 61 | 60 | 60 | 58 | 56 | 55 | 54 | 50 | 54 | 59 |
| Clear days (≤ 30% cloud) | 7 | 6 | 7 | 7 | 6 | 6 | 7 | 8 | 9 | 11 | 9 | 7 |
| Partly cloudy days (30–70%) | 9 | 9 | 10 | 10 | 11 | 13 | 12 | 12 | 11 | 9 | 10 | 10 |
| Cloudy days (≥ 70%) | 14 | 13 | 15 | 13 | 13 | 11 | 12 | 11 | 11 | 11 | 11 | 14 |
| Relative humidity (%) | 83 | 81 | 79 | 76 | 75 | 71 | 68 | 70 | 73 | 75 | 78 | 83 |
| Wind speed (km/h) | 3.3 | 3.7 | 3.7 | 3.5 | 3.0 | 2.7 | 2.6 | 2.5 | 2.8 | 2.8 | 2.9 | 2.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 61 | 61 | 60 | 60 | 58 |
| Clear days (≤ 30% cloud) | 7 | 6 | 7 | 7 | 6 | 6 |
| Partly cloudy days (30–70%) | 9 | 9 | 10 | 10 | 11 | 13 |
| Cloudy days (≥ 70%) | 14 | 13 | 15 | 13 | 13 | 11 |
| Relative humidity (%) | 83 | 81 | 79 | 76 | 75 | 71 |
| Wind speed (km/h) | 3.3 | 3.7 | 3.7 | 3.5 | 3.0 | 2.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 55 | 54 | 50 | 54 | 59 |
| Clear days (≤ 30% cloud) | 7 | 8 | 9 | 11 | 9 | 7 |
| Partly cloudy days (30–70%) | 12 | 12 | 11 | 9 | 10 | 10 |
| Cloudy days (≥ 70%) | 12 | 11 | 11 | 11 | 11 | 14 |
| Relative humidity (%) | 68 | 70 | 73 | 75 | 78 | 83 |
| Wind speed (km/h) | 2.6 | 2.5 | 2.8 | 2.8 | 2.9 | 2.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Hopewell (NOAA GHCN station USC00444101), about 16 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.