Climate averages 1991–2020
Zarzis weather
in May.
A warm, very dry month: the 6th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Zarzis: daytime highs average 24.0°C and nights cool to about 18.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 3.2 mm of rain on fewer than one day, which makes May a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 52 min on an average May day.
The nearest other city in this atlas is Ben Gardane (42 km away). In May its highs average 27.2°C, 3.2°C warmer than Zarzis, with 3.3 mm of rain.
Among the 22 cities listed in Tunisia, Zarzis ranks 17th of 22 for the warmest May highs and 1st of 22 for the driest May (rainfall, lowest first). The mean May high of those 22 cities is 25.7°C; Zarzis is 1.7°C cooler than that mean.
From May to June, average highs rise by 3.1°C to 27.0°C, and monthly rainfall falls from 3.2 mm to under 1 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages 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
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.9°C10.3°C | 10.3°C | 19 | 3.3 | 10.210 h |
| February | 16.6°C10.5°C | 10.5°C | 16 | 2.9 | 11.011 h |
| March | 18.9°C12.6°C | 12.6°C | 13 | 2.2 | 12.012 h |
| April | 21.2°C15.1°C | 15.1°C | 7.9 | 1.6 | 13.013 h |
| May, selected | 24.0°C18.2°C | 18.2°C | 3.2 | 0.8 | 13.914 h |
| June | 27.0°C21.4°C | 21.4°C | 0.7 | 0.1 | 14.314 h |
| July | 29.6°C23.8°C | 23.8°C | 0 | 0.0 | 14.114 h |
| August | 30.6°C25.0°C | 25.0°C | 0.8 | 0.2 | 13.413 h |
| September | 28.9°C24.1°C | 24.1°C | 16 | 1.8 | 12.412 h |
| October | 26.1°C20.7°C | 20.7°C | 25 | 3.7 | 11.411 h |
| November | 21.4°C15.9°C | 15.9°C | 24 | 3.9 | 10.510 h |
| December | 17.3°C12.0°C | 12.0°C | 26 | 4.6 | 10.010 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
May in nearby cities
- Ben Gardane in MayTunisia · 42 kmHigh 27.2°C · Low 17.4°C · 3.3 mm rain
- Houmt Souk in MayTunisia · 48 kmHigh 25.8°C · Low 17.8°C · 4.0 mm rain
- Medenine in MayTunisia · 59 kmHigh 28.3°C · Low 16.4°C · 4.2 mm rain
- Gabès in MayTunisia · 103 kmHigh 26.0°C · Low 18.1°C · 5.5 mm rain
- Al Jumayl in MayLibya · 114 kmHigh 26.4°C · Low 17.8°C · 3.4 mm rain
- Sfax in MayTunisia · 141 kmHigh 25.1°C · Low 17.1°C · 8.1 mm rain
- Al Ajaylat in MayLibya · 144 kmHigh 28.0°C · Low 17.8°C · 4.7 mm rain
- Sakiet ed Daier in MayTunisia · 146 kmHigh 25.6°C · Low 16.8°C · 8.1 mm rain
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 limitsHow 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.