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.
May in Alger brings high temperatures, with highs of 24°C (75°F) and nights dropping to 15°C (59°F). With excellent weather conditions overall, it's a good time to visit.
If your ideal day consists of dry skies and pleasant temperatures, April, May, June, September, October and November typically offer the best circumstances for Alger.
Pick a month to see the average temperature, rainfall and sunshine in Alger - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Alger typically stay consistent throughout May, with daily highs averaging around 24°C (75°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 16°C (61°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Alger spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Alger spans 1991 to 2026, revealing these weather extremes.
Find out more about the weather in Algeria and which places have the best travel conditions in this month. See all of Algeria in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Alger climate overview or explore weather in Algeria.
Where to go in May - 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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