Climate averages 1991–2020

San José del Cabo weather
in August.

A hot, moderately wet month: the 2nd warmest and the 11th driest of the year.

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

Average high 32.8°C Daytime mean, August
Average low 26.2°C Night-time mean, August
Rainfall 73 mm 9 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in San José del Cabo · average highYear overview

August is a hot month in San José del Cabo: daytime highs average 32.8°C and nights cool to about 26.2°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 73 mm of rain on roughly 9 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average August day.

The nearest other city in this atlas is Cabo San Lucas (28 km away). In August its highs average 31.1°C, 1.7°C cooler than San José del Cabo, with 65 mm of rain.

Among the 153 cities listed in Mexico, San José del Cabo ranks 28th of 153 for the warmest August highs and 35th of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; San José del Cabo is 4.9°C warmer than that mean.

From August to September, average highs fall by 1.4°C to 31.4°C, and monthly rainfall rises from 73 mm to 140 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. 10152025303540 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

San José del Cabo climate table

1991–2020
Monthly climate averages for San José del Cabo, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.8°C15.4°C15.4°C8.31.310.911 h
February 26.4°C15.5°C15.5°C8.40.811.411 h
March 27.8°C16.6°C16.6°C1.20.212.012 h
April 29.4°C18.3°C18.3°C0.50.112.713 h
May 31.2°C20.6°C20.6°C0.40.213.213 h
June 32.2°C23.5°C23.5°C5.70.613.514 h
July 33.1°C25.7°C25.7°C213.713.413 h
August, selected 32.8°C26.2°C26.2°C739.112.913 h
September 31.4°C25.4°C25.4°C14010.512.312 h
October 31.8°C23.5°C23.5°C253.111.612 h
November 29.3°C19.9°C19.9°C181.811.111 h
December 26.2°C16.6°C16.6°C9.21.110.711 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 San José del Cabo

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 San José del Cabo) is explained once on the San José del Cabo year overview and on the Sources, method and limits page.