Climate averages 1991–2020

Waco weather
in August.

A very hot, moderately wet month: the warmest and the 2nd driest of the year.

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

Average high 35.0°C Daytime mean, August
Average low 25.1°C Night-time mean, August
Rainfall 49 mm 5 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Waco · average highYear overview

August is a very hot month in Waco: daytime highs average 35.0°C and nights cool to about 25.1°C. By daytime temperature it is the warmest month of the year.

Expect about 49 mm of rain on roughly 5 days, which makes August a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 18 min on an average August day.

The nearest other city in this atlas is Temple (54 km away). In August its highs average 34.6°C, about as warm as Waco, with 58 mm of rain.

Among the 498 cities listed in the United States, Waco ranks joint 32nd of 498 for the warmest August highs and joint 189th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Waco is 5.1°C warmer than that mean.

From August to September, average highs fall by 3.6°C to 31.4°C, and monthly rainfall rises from 49 mm to 60 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. 0510152025303540 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

Waco climate table

1991–2020
Monthly climate averages for Waco, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 14.7°C4.9°C4.9°C706.910.310 h
February 16.8°C6.8°C6.8°C727.511.011 h
March 20.6°C10.3°C10.3°C889.012.012 h
April 24.8°C14.4°C14.4°C868.512.913 h
May 28.6°C19.0°C19.0°C11910.513.714 h
June 32.3°C22.9°C22.9°C748.314.214 h
July 34.7°C24.8°C24.8°C375.714.014 h
August, selected 35.0°C25.1°C25.1°C495.313.313 h
September 31.4°C21.7°C21.7°C606.012.412 h
October 26.1°C16.1°C16.1°C1077.211.411 h
November 19.8°C10.2°C10.2°C747.210.611 h
December 15.5°C6.0°C6.0°C837.110.110 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 Waco

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