Climate averages 1991–2020

Zarzis weather
in July.

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

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

Average high 29.6°C Daytime mean, July
Average low 23.8°C Night-time mean, July
Rainfall <1 mm Almost no rain
Daylight 14 h Sunrise to sunset, per day
Every month in Zarzis · average highYear overview

July is a hot month in Zarzis: daytime highs average 29.6°C and nights cool to about 23.8°C. By daytime temperature it is the 2nd warmest of the 12 months.

Rain is very rare: less than 1 mm falls in a typical July (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 08 min on an average July day.

The nearest other city in this atlas is Ben Gardane (42 km away). In July its highs average 32.9°C, 3.3°C warmer than Zarzis, with almost no rain (under 1 mm).

Among the 22 cities listed in Tunisia, Zarzis ranks 21st of 22 for the warmest July highs and joint 1st of 22 for the driest July (rainfall, lowest first). The mean July high of those 22 cities is 32.9°C; Zarzis is 3.3°C cooler than that mean.

From July to August, average highs rise by 1.0°C to 30.6°C, and monthly rainfall stays under 1 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. 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 500

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

Every month, side by side

Zarzis climate table

1991–2020
Monthly climate averages for Zarzis, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 15.9°C10.3°C10.3°C193.310.210 h
February 16.6°C10.5°C10.5°C162.911.011 h
March 18.9°C12.6°C12.6°C132.212.012 h
April 21.2°C15.1°C15.1°C7.91.613.013 h
May 24.0°C18.2°C18.2°C3.20.813.914 h
June 27.0°C21.4°C21.4°C0.70.114.314 h
July, selected 29.6°C23.8°C23.8°C00.014.114 h
August 30.6°C25.0°C25.0°C0.80.213.413 h
September 28.9°C24.1°C24.1°C161.812.412 h
October 26.1°C20.7°C20.7°C253.711.411 h
November 21.4°C15.9°C15.9°C243.910.510 h
December 17.3°C12.0°C12.0°C264.610.010 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 Zarzis

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