Discovering the wonders of the Tassili n'Ajjer National Park
Discover the breathtaking Tassili n'Ajjer National Park in Algeria, home to ancient rock art and stunning landscapes. A must-visit UNESCO World Heritage Site.
This page shows both the average monthly rainfall and the number of rainy days in Illizi, Algeria. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Let's explore the details to provide you with a complete overview.
Illizi is known for its low rainfall, with yearly precipitation amounts around 20 mm (0.8 in).
The wettest period in Illizi occurs in October, which receives around 2.8 mm (0.1 in) of precipitation. During the driest month, July, Illizi experiences almost no rainfall, totaling approximately 0.2 mm (0.01 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.
October, the wettest month, has a maximum daytime temperature of 35°C (95°F). The city receives 298 hours of sunshine in this period. During the driest month July you can expect a temperature of 43°C (109°F). For more detailed insights into the city's temperatures, visit our Illizi Temperature page.
Browse day-by-day precipitation records for Illizi 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 Algeria. You can also select the different months in case you are interested in a specific month.
Illizi's average annual precipitation is 20 mm (0.8 in). Let's compare this to some popular worldwide tourist destinations:
In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
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 Illizi's weather, including sunshine hours, humidity levels, and temperature data, visit our Illizi Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Illizi - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Illizi climate overview or explore weather in Algeria.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Discovering the wonders of the Tassili n'Ajjer National Park
Discover the breathtaking Tassili n'Ajjer National Park in Algeria, home to ancient rock art and stunning landscapes. A must-visit UNESCO World Heritage Site.
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