Climate averages 1991–2020

Greenville weather
in August.

A hot, wet month: the 2nd warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.9°C Daytime mean, August
Average low 21.7°C Night-time mean, August
Rainfall 137 mm 14 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Greenville · average highYear overview

August is a hot month in Greenville: daytime highs average 29.9°C and nights cool to about 21.7°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 137 mm of rain on roughly 14 days, which makes August a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 30 min on an average August day.

The nearest other city in this atlas is Raleigh (116 km away). In August its highs average 30.1°C, about as warm as Greenville, with 111 mm of rain.

Among the 498 cities listed in the United States, Greenville ranks joint 247th of 498 for the warmest August highs and 456th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Greenville is level with that mean.

From August to September, average highs fall by 2.8°C to 27.0°C, and monthly rainfall falls from 137 mm to 132 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages 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

1991–2020
Monthly climate averages for Greenville, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 10.9°C1.9°C1.9°C949.110.010 h
February 12.8°C2.8°C2.8°C799.110.911 h
March 16.6°C6.0°C6.0°C939.811.912 h
April 21.7°C10.9°C10.9°C808.613.113 h
May 25.7°C15.7°C15.7°C9410.614.014 h
June 29.2°C20.2°C20.2°C11313.614.515 h
July 30.9°C22.6°C22.6°C13616.914.314 h
August, selected 29.9°C21.7°C21.7°C13714.413.514 h
September 27.0°C19.0°C19.0°C13211.512.412 h
October 22.1°C13.0°C13.0°C907.411.311 h
November 16.7°C7.3°C7.3°C907.710.310 h
December 12.6°C3.7°C3.7°C909.29.810 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

August in nearby cities

Distance from Greenville

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 limits

How 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.