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Greenville, Mississippi climate
Cfa Humid subtropical
Greenville has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 34°C, while the coldest is January averaging around 2°C at night. Precipitation is fairly even year-round, totalling about 1245 mm.
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 countsGreenville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 14 | 19 | 24 | 28 | 32 | 34 | 34 | 31 | 25 | 18 | 13 |
| Avg temp (°C) | 7 | 9 | 13 | 18 | 23 | 26 | 28 | 28 | 24 | 18 | 12 | 8 |
| Avg low (°C) | 2 | 3 | 7 | 12 | 17 | 21 | 22 | 22 | 18 | 12 | 6 | 3 |
| Precipitation (mm) | 114 | 120 | 120 | 127 | 96 | 84 | 81 | 72 | 92 | 107 | 102 | 130 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 14 | 19 | 24 | 28 | 32 |
| Avg temp (°C) | 7 | 9 | 13 | 18 | 23 | 26 |
| Avg low (°C) | 2 | 3 | 7 | 12 | 17 | 21 |
| Precipitation (mm) | 114 | 120 | 120 | 127 | 96 | 84 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 34 | 34 | 31 | 25 | 18 | 13 |
| Avg temp (°C) | 28 | 28 | 24 | 18 | 12 | 8 |
| Avg low (°C) | 22 | 22 | 18 | 12 | 6 | 3 |
| Precipitation (mm) | 81 | 72 | 92 | 107 | 102 | 130 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 10 | 10 | 8 | 9 | 7 | 8 | 8 | 7 | 8 | 8 | 9 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 4 | 17 | 22 | 23 | 14 | 3 | — | — |
| Days with low ≤ 0°C (days) | 13 | 9 | 2 | 0.2 | — | — | — | — | — | 0.3 | 5 | 11 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 10 | 10 | 8 | 9 | 7 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 4 | 17 |
| Days with low ≤ 0°C (days) | 13 | 9 | 2 | 0.2 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 8 | 7 | 8 | 8 | 9 |
| Days with high ≥ 32°C (days) | 22 | 23 | 14 | 3 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.3 | 5 | 11 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 64 | 60 | 55 | 54 | 50 | 48 | 44 | 43 | 42 | 51 | 60 |
| Clear days (≤ 30% cloud) | 7 | 6 | 8 | 9 | 9 | 10 | 10 | 13 | 14 | 15 | 10 | 8 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 9 | 10 | 11 | 13 | 11 | 8 | 8 | 9 | 8 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 12 | 12 | 9 | 8 | 7 | 8 | 9 | 11 | 15 |
| Relative humidity (%) | 84 | 83 | 81 | 78 | 76 | 71 | 67 | 64 | 63 | 68 | 76 | 83 |
| Wind speed (km/h) | 8.7 | 9.1 | 9.3 | 9.2 | 7.7 | 6.6 | 5.9 | 5.7 | 6.7 | 7.2 | 7.9 | 8.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 64 | 60 | 55 | 54 | 50 |
| Clear days (≤ 30% cloud) | 7 | 6 | 8 | 9 | 9 | 10 |
| Partly cloudy days (30–70%) | 9 | 8 | 9 | 9 | 10 | 11 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 12 | 12 | 9 |
| Relative humidity (%) | 84 | 83 | 81 | 78 | 76 | 71 |
| Wind speed (km/h) | 8.7 | 9.1 | 9.3 | 9.2 | 7.7 | 6.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 44 | 43 | 42 | 51 | 60 |
| Clear days (≤ 30% cloud) | 10 | 13 | 14 | 15 | 10 | 8 |
| Partly cloudy days (30–70%) | 13 | 11 | 8 | 8 | 9 | 8 |
| Cloudy days (≥ 70%) | 8 | 7 | 8 | 9 | 11 | 15 |
| Relative humidity (%) | 67 | 64 | 63 | 68 | 76 | 83 |
| Wind speed (km/h) | 5.9 | 5.7 | 6.7 | 7.2 | 7.9 | 8.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Greenville Asos (NOAA GHCN station USW00013939), about 12 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.