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Greenville, South Carolina 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 90°F, while the coldest is January averaging around 32°F at night. Precipitation is fairly even year-round, totalling about 50 inches. Snow is occasional (4 inches 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 countsGreenville climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 53 | 57 | 64 | 73 | 80 | 87 | 90 | 89 | 83 | 73 | 63 | 55 |
| Avg temp (°F) | 43 | 46 | 53 | 61 | 69 | 76 | 80 | 78 | 73 | 62 | 52 | 45 |
| Avg low (°F) | 32 | 35 | 41 | 49 | 58 | 66 | 69 | 68 | 62 | 50 | 40 | 35 |
| Precipitation (in) | 4.1 | 3.8 | 4.5 | 4.0 | 4.1 | 3.9 | 4.8 | 4.7 | 3.7 | 3.6 | 3.8 | 4.6 |
| Snowfall (in) | 1.6 | 1.0 | 0.6 | — | — | — | — | — | — | — | 0.1 | 0.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 53 | 57 | 64 | 73 | 80 | 87 |
| Avg temp (°F) | 43 | 46 | 53 | 61 | 69 | 76 |
| Avg low (°F) | 32 | 35 | 41 | 49 | 58 | 66 |
| Precipitation (in) | 4.1 | 3.8 | 4.5 | 4.0 | 4.1 | 3.9 |
| Snowfall (in) | 1.6 | 1.0 | 0.6 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 90 | 89 | 83 | 73 | 63 | 55 |
| Avg temp (°F) | 80 | 78 | 73 | 62 | 52 | 45 |
| Avg low (°F) | 69 | 68 | 62 | 50 | 40 | 35 |
| Precipitation (in) | 4.8 | 4.7 | 3.7 | 3.6 | 3.8 | 4.6 |
| Snowfall (in) | — | — | — | — | 0.1 | 0.6 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 9 | 10 | 10 | 10 | 11 | 12 | 11 | 8 | 7 | 9 | 10 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 2 | 10 | 18 | 13 | 5 | 0.2 | — | — |
| Days with low ≤ 32°F (days) | 16 | 12 | 6 | 0.6 | — | — | — | — | — | 0.5 | 6 | 14 |
| Days with snowfall ≥ 1 in (days) | 0.6 | 0.3 | 0.1 | — | — | — | — | — | — | — | 0.0 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 9 | 10 | 10 | 10 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 2 | 10 |
| Days with low ≤ 32°F (days) | 16 | 12 | 6 | 0.6 | — | — |
| Days with snowfall ≥ 1 in (days) | 0.6 | 0.3 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 11 | 8 | 7 | 9 | 10 |
| Days with high ≥ 90°F (days) | 18 | 13 | 5 | 0.2 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 0.5 | 6 | 14 |
| Days with snowfall ≥ 1 in (days) | — | — | — | — | 0.0 | 0.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 59 | 56 | 53 | 54 | 55 | 58 | 55 | 49 | 45 | 49 | 57 |
| Clear days (≤ 30% cloud) | 9 | 7 | 9 | 9 | 9 | 7 | 6 | 8 | 11 | 13 | 11 | 9 |
| Partly cloudy days (30–70%) | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 12 | 9 | 8 | 9 | 9 |
| Cloudy days (≥ 70%) | 13 | 12 | 13 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 10 | 13 |
| Relative humidity (%) | 82 | 82 | 80 | 78 | 77 | 74 | 71 | 71 | 71 | 72 | 75 | 81 |
| Wind speed (mph) | 2.2 | 2.4 | 2.4 | 2.3 | 2.0 | 1.8 | 1.7 | 1.7 | 1.9 | 2.0 | 2.0 | 2.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 59 | 56 | 53 | 54 | 55 |
| Clear days (≤ 30% cloud) | 9 | 7 | 9 | 9 | 9 | 7 |
| Partly cloudy days (30–70%) | 9 | 9 | 10 | 10 | 11 | 12 |
| Cloudy days (≥ 70%) | 13 | 12 | 13 | 11 | 11 | 11 |
| Relative humidity (%) | 82 | 82 | 80 | 78 | 77 | 74 |
| Wind speed (mph) | 2.2 | 2.4 | 2.4 | 2.3 | 2.0 | 1.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 55 | 49 | 45 | 49 | 57 |
| Clear days (≤ 30% cloud) | 6 | 8 | 11 | 13 | 11 | 9 |
| Partly cloudy days (30–70%) | 13 | 12 | 9 | 8 | 9 | 9 |
| Cloudy days (≥ 70%) | 12 | 11 | 10 | 10 | 10 | 13 |
| Relative humidity (%) | 71 | 71 | 71 | 72 | 75 | 81 |
| Wind speed (mph) | 1.7 | 1.7 | 1.9 | 2.0 | 2.0 | 2.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Greer (NOAA GHCN station USW00003870), 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.