Climate averages 1991–2020

Lake Charles weather
in August.

A hot, wet month: the warmest and the 7th driest of the year.

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

Average high 32.3°C Daytime mean, August
Average low 24.4°C Night-time mean, August
Rainfall 117 mm 16 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Lake Charles · average highYear overview

August is a hot month in Lake Charles: daytime highs average 32.3°C and nights cool to about 24.4°C. By daytime temperature it is the warmest month of the year.

Expect about 117 mm of rain on roughly 16 days, which makes August a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 14 min on an average August day.

The nearest other city in this atlas is Beaumont (87 km away). In August its highs average 32.4°C, about as warm as Lake Charles, with 123 mm of rain.

Among the 498 cities listed in the United States, Lake Charles ranks joint 123rd of 498 for the warmest August highs and 444th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Lake Charles is 2.4°C warmer than that mean.

From August to September, average highs fall by 2.0°C to 30.3°C, and monthly rainfall rises from 117 mm to 121 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. 5101520253035 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

Lake Charles climate table

1991–2020
Monthly climate averages for Lake Charles, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 16.0°C7.1°C7.1°C1299.910.410 h
February 18.0°C9.0°C9.0°C969.511.111 h
March 21.3°C12.2°C12.2°C10410.412.012 h
April 24.8°C15.7°C15.7°C1189.812.913 h
May 28.6°C20.2°C20.2°C10110.513.714 h
June 31.0°C23.4°C23.4°C13314.814.114 h
July 31.8°C24.5°C24.5°C11416.313.914 h
August, selected 32.3°C24.4°C24.4°C11715.913.213 h
September 30.3°C21.9°C21.9°C12111.612.412 h
October 26.3°C16.9°C16.9°C958.311.511 h
November 20.8°C11.5°C11.5°C1078.710.711 h
December 17.1°C8.2°C8.2°C1239.610.210 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 Lake Charles

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