See the Sahara in Tunisia
The best time to visit the Sahara is more towards the winter. This means more bearable temperatures in south of Tunisia.
This page shows both the average monthly rainfall and the number of rainy days in Gammarth, Tunis, Tunisia. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's break down all the details for a clearer picture.
On average, Gammarth receives a reasonable amount of rainfall, with an annual precipitation of 513 mm (20 in). Despite this overall moderate level, the city experiences distinct dry season during certain months throughout the year, as illustrated in the precipitation charts below.
The seasons in Gammarth, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 70 mm (2.8 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 1.8 mm (0.1 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year.December, the wettest month, has a maximum daytime temperature of 18°C (64°F). The city receives 150 hours of sunshine in this period. During the driest month July you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Gammarth Temperature page.
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Browse day-by-day precipitation records for Gammarth spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Tunisia. You can also select the different months in case you are interested in a specific month.
Gammarth's average annual precipitation is 513 mm (20 in). Let's compare this to some popular worldwide tourist destinations:
In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.
Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.
Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.
Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
The proximity of a location to a large body of water can significantly affect its rainfall patterns:
For more detailed information about Gammarth's weather, including sunshine hours, humidity levels, and temperature data, visit our Gammarth Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Gammarth - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Gammarth climate overview or explore weather in Tunisia.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
See the Sahara in Tunisia
The best time to visit the Sahara is more towards the winter. This means more bearable temperatures in south of Tunisia.
Visit Kruger Park in South Africa
Are you going to South Africa, then you cannot skip the Kruger Park. The Kruger Park is one of the most beautiful and largest safari parks in the world.
The Atlas Mountains in Morocco
This mountain range is the second highest mountains in the world and is certainly one of the most natural and wonderful mountains you could ever visit. One for the bucket list for sure.
One of South Africa's most spectacular private game reserves
Sabi Sand Game Reserve is one of South Africa's most spectacular private game reserves. The chance that you see the entire Big Five is high in winter (June - August).