Climate averages 1991–2020
Greenville weather
in May.
A warm, wet month: the 5th warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Greenville: daytime highs average 25.7°C and nights cool to about 15.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 94 mm of rain on roughly 11 days, which makes May a wet month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 01 min on an average May day.
The nearest other city in this atlas is Raleigh (116 km away). In May its highs average 25.7°C, about as warm as Greenville, with 90 mm of rain.
Among the 498 cities listed in the United States, Greenville ranks joint 171st of 498 for the warmest May highs and joint 323rd of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Greenville is 1.9°C warmer than that mean.
From May to June, average highs rise by 3.6°C to 29.2°C, and monthly rainfall rises from 94 mm to 113 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Greenville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.9°C1.9°C | 1.9°C | 94 | 9.1 | 10.010 h |
| February | 12.8°C2.8°C | 2.8°C | 79 | 9.1 | 10.911 h |
| March | 16.6°C6.0°C | 6.0°C | 93 | 9.8 | 11.912 h |
| April | 21.7°C10.9°C | 10.9°C | 80 | 8.6 | 13.113 h |
| May, selected | 25.7°C15.7°C | 15.7°C | 94 | 10.6 | 14.014 h |
| June | 29.2°C20.2°C | 20.2°C | 113 | 13.6 | 14.515 h |
| July | 30.9°C22.6°C | 22.6°C | 136 | 16.9 | 14.314 h |
| August | 29.9°C21.7°C | 21.7°C | 137 | 14.4 | 13.514 h |
| September | 27.0°C19.0°C | 19.0°C | 132 | 11.5 | 12.412 h |
| October | 22.1°C13.0°C | 13.0°C | 90 | 7.4 | 11.311 h |
| November | 16.7°C7.3°C | 7.3°C | 90 | 7.7 | 10.310 h |
| December | 12.6°C3.7°C | 3.7°C | 90 | 9.2 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Raleigh in MayUnited States · 116 kmHigh 25.7°C · Low 15.4°C · 90 mm rain
- Cary in MayUnited States · 129 kmHigh 25.3°C · Low 15.2°C · 90 mm rain
- Suffolk in MayUnited States · 143 kmHigh 24.8°C · Low 15.0°C · 97 mm rain
- Durham in MayUnited States · 145 kmHigh 25.4°C · Low 14.7°C · 88 mm rain
- Fayetteville in MayUnited States · 151 kmHigh 26.6°C · Low 16.1°C · 84 mm rain
- Portsmouth Heights in MayUnited States · 161 kmHigh 24.5°C · Low 14.9°C · 95 mm rain
- Wilmington (North Carolina), United States in MayUnited States · 162 kmHigh 24.9°C · Low 17.8°C · 93 mm rain
- Norfolk in MayUnited States · 168 kmHigh 24.0°C · Low 14.9°C · 95 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Greenville) is explained once on the Greenville year overview and on the Sources, method and limits page.