Climate averages 1991–2020

Atlantis weather
in July.

A mild, moderately wet month: the coolest and the 11th driest of the year.

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

Average high 16.1°C Daytime mean, July
Average low 7.1°C Night-time mean, July
Rainfall 69 mm 8 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Atlantis · average highYear overview

July is a mild month in Atlantis: daytime highs average 16.1°C and nights cool to about 7.1°C. By daytime temperature it is the coolest month of the year.

Expect about 69 mm of rain on roughly 8 days, which makes July a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 09 min on an average July day.

The nearest other city in this atlas is Cape Town (40 km away). In July its highs average 16.4°C, about as warm as Atlantis, with 98 mm of rain.

Among the 95 cities listed in South Africa, Atlantis ranks joint 91st of 95 for the warmest July highs and 91st of 95 for the driest July (rainfall, lowest first). The mean July high of those 95 cities is 18.5°C; Atlantis is 2.5°C cooler than that mean.

From July to August, average highs rise by 0.1°C to 16.2°C, and monthly rainfall falls from 69 mm to 59 mm.

The annual picture

July 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. 51015202530 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 1000

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

Every month, side by side

Atlantis climate table

1991–2020
Monthly climate averages for Atlantis, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.9°C16.1°C16.1°C9.82.214.114 h
February 27.1°C16.3°C16.3°C9.81.913.313 h
March 25.6°C15.0°C15.0°C112.212.312 h
April 22.6°C12.5°C12.5°C314.211.311 h
May 19.4°C10.3°C10.3°C476.510.410 h
June 16.5°C7.9°C7.9°C769.410.010 h
July, selected 16.1°C7.1°C7.1°C698.210.210 h
August 16.2°C7.5°C7.5°C598.410.911 h
September 17.9°C9.0°C9.0°C366.311.912 h
October 21.0°C11.2°C11.2°C234.112.913 h
November 23.0°C12.8°C12.8°C214.013.814 h
December 25.4°C14.9°C14.9°C122.914.314 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

July in nearby cities

Distance from Atlantis

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