Greenville, SC Climate & Monthly Averages
The climate of Greenville
Greenville has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 51°F (10°C) in January to around 89°F (32°C) in July, and the city records roughly 124 days of measurable precipitation a year.
Climate quick facts
- Hottest month: July - highs near 89°F (32°C)
- Coldest month: January - highs near 51°F (10°C)
- Record high: 98°F (36°C) · Record low: 7°F (-14°C) (2015–2024)
- Wettest month: December (9 rainy days) · Sunniest: July (11.8 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 2 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 89°F (32°C) and overnight lows stay near 71°F (22°C). The coolest month is January, with typical highs of 51°F (10°C) and lows around 34°F (1°C). Based on 2015–2024 weather data, temperatures have reached as high as 98°F (36°C) and dropped as low as 7°F (-14°C).
Rain, sun and snow
December is usually the wettest month. It brings about 5.5 inches (139 mm) of rain over 9 days, while June is the driest. July brings the most sunshine, averaging 11.8 hours of sun a day. Snow falls on about 2 days in a typical year, mostly from December through February.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 51° | 34° | 10 | 5.1 in | 6.8 h/day | 70% |
| February | 56° | 38° | 11 | 4.6 in | 7.0 h/day | 70% |
| March | 63° | 44° | 11 | 4.1 in | 8.2 h/day | 66% |
| April | 71° | 50° | 9 | 4.8 in | 10.1 h/day | 65% |
| May | 79° | 59° | 10 | 4.1 in | 10.8 h/day | 69% |
| June | 86° | 67° | 12 | 3.2 in | 11.6 h/day | 68% |
| July | 89° | 71° | 14 | 3.7 in | 11.8 h/day | 71% |
| August | 87° | 70° | 13 | 3.4 in | 11.0 h/day | 73% |
| September | 82° | 65° | 10 | 4.5 in | 10.0 h/day | 71% |
| October | 72° | 54° | 7 | 3.3 in | 8.8 h/day | 72% |
| November | 61° | 44° | 8 | 4.0 in | 7.6 h/day | 70% |
| December | 54° | 38° | 9 | 5.5 in | 6.1 h/day | 75% |
Greenville month by month
Greenville weather in January
January brings highs around 51°F (10°C), lows near 34°F (1°C), about 10 wet days - typically the coldest month of the year in Greenville.
Greenville weather in February
February brings highs around 56°F (13°C), lows near 38°F (3°C), about 11 wet days.
Greenville weather in March
March brings highs around 63°F (17°C), lows near 44°F (6°C), about 11 wet days.
Greenville weather in April
April brings highs around 71°F (21°C), lows near 50°F (10°C), about 9 wet days.
Greenville weather in May
May brings highs around 79°F (26°C), lows near 59°F (15°C), about 10 wet days.
Greenville weather in June
June brings highs around 86°F (30°C), lows near 67°F (19°C), about 12 wet days - typically the driest month of the year in Greenville.
Greenville weather in July
July brings highs around 89°F (32°C), lows near 71°F (22°C), about 14 wet days - typically the hottest month and the sunniest month of the year in Greenville.
Greenville weather in August
August brings highs around 87°F (30°C), lows near 70°F (21°C), about 13 wet days.
Greenville weather in September
September brings highs around 82°F (28°C), lows near 65°F (18°C), about 10 wet days.
Greenville weather in October
October brings highs around 72°F (22°C), lows near 54°F (12°C), about 7 wet days.
Greenville weather in November
November brings highs around 61°F (16°C), lows near 44°F (6°C), about 8 wet days.
Greenville weather in December
December brings highs around 54°F (12°C), lows near 38°F (4°C), about 9 wet days - typically the wettest month of the year in Greenville.
Seasons in Greenville
Spring (March through May)
Spring in Greenville is mild and warm, with daytime highs averaging 71°F (22°C) and nights around 51°F (11°C); expect showers on roughly 30 days across the season.
Summer (June through August)
Summer in Greenville brings hot afternoons, with daytime highs averaging 87°F (31°C) and nights around 69°F (21°C); expect showers on roughly 39 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Greenville is mild and warm, with daytime highs averaging 72°F (22°C) and nights around 54°F (12°C); expect showers on roughly 25 days across the season.
Winter (December through February)
Winter in Greenville is brisk and cold, with daytime highs averaging 54°F (12°C) and nights around 37°F (3°C); expect showers on roughly 30 days across the season.
Climate questions, answered
What is the average temperature in Greenville?
Is Greenville hot in summer?
Is Greenville cold in winter?
How many rainy days does Greenville get in a year?
Best time to visit Greenville
The best time to visit Greenville is generally March to May and September to November, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 71°F (22°C).
Pack for Greenville with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 71°F (22°C).
Greenville temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.