Climate averages 1991–2020

Gwangyang weather
in August.

A hot, very wet month: the warmest and the 11th driest of the year.

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

Average high 28.8°C Daytime mean, August
Average low 23.3°C Night-time mean, August
Rainfall 286 mm 16 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Gwangyang · average highYear overview

August is a hot month in Gwangyang: daytime highs average 28.8°C and nights cool to about 23.3°C. By daytime temperature it is the warmest month of the year.

Expect about 286 mm of rain on roughly 16 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 28 min on an average August day.

The nearest other city in this atlas is Kwangyang (10 km away). In August its highs average 29.0°C, about as warm as Gwangyang, with 288 mm of rain.

Among the 79 cities listed in South Korea, Gwangyang ranks joint 33rd of 79 for the warmest August highs and joint 75th of 79 for the driest August (rainfall, lowest first). The mean August high of those 79 cities is 28.6°C; Gwangyang is 0.2°C warmer than that mean.

From August to September, average highs fall by 3.3°C to 25.4°C, and monthly rainfall falls from 286 mm to 170 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 3500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Gwangyang climate table

1991–2020
Monthly climate averages for Gwangyang, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 5.6°C-2.6°C-2.6°C303.910.110 h
February 7.9°C-1.3°C-1.3°C444.710.911 h
March 12.4°C2.7°C2.7°C827.311.912 h
April 17.7°C8.2°C8.2°C1278.513.013 h
May 22.2°C13.6°C13.6°C1438.014.014 h
June 25.2°C18.3°C18.3°C19510.214.514 h
July 27.8°C22.5°C22.5°C30917.114.314 h
August, selected 28.8°C23.3°C23.3°C28616.413.513 h
September 25.4°C18.6°C18.6°C17010.112.412 h
October 20.6°C12.0°C12.0°C704.611.311 h
November 14.0°C5.2°C5.2°C475.210.410 h
December 7.7°C-0.7°C-0.7°C283.69.910 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 Gwangyang

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 Gwangyang) is explained once on the Gwangyang year overview and on the Sources, method and limits page.