Climate averages 1991–2020
Algiers weather
by month.
See how the year changes. August has the highest average daily maximum; July has the lowest average monthly rainfall.
Pleasant-weather months by our simple rule: MayJuneSeptemberOctober
Long-term climate patterns, not a forecast for a particular trip.
Across the year Algiers averages a daytime high of 22.4°C and a nighttime low of 13.2°C, with about 584 mm of rain on roughly 80 days. August is the warmest month (average high 31.8°C) and January the coolest (14.9°C). November is the wettest month with 89 mm; July is the driest with under 1 mm.
Months with pleasant weather by a simple rule (average high between 18°C and 29°C, average low of at least 5°C and at most 8 rain days): May, June, September and October. This looks at temperature and rain only, not humidity, wind, sea temperature or crowds.
The annual picture
A year in Algiers
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
Algiers climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.9°C7.1°C | 7.1°C | 81 | 11.0 | 10.010 h |
| February | 15.3°C7.0°C | 7.0°C | 68 | 10.4 | 10.811 h |
| March | 17.6°C8.6°C | 8.6°C | 62 | 8.6 | 11.912 h |
| April | 19.7°C10.5°C | 10.5°C | 61 | 8.5 | 13.113 h |
| May | 23.1°C13.4°C | 13.4°C | 43 | 5.7 | 14.114 h |
| June | 27.6°C16.9°C | 16.9°C | 6.9 | 1.3 | 14.615 h |
| July | 31.2°C19.9°C | 19.9°C | 0.8 | 0.2 | 14.414 h |
| August | 31.8°C20.9°C | 20.9°C | 7.4 | 1.4 | 13.614 h |
| September | 28.2°C18.7°C | 18.7°C | 27 | 5.2 | 12.512 h |
| October | 24.6°C15.5°C | 15.5°C | 58 | 7.0 | 11.311 h |
| November | 19.0°C11.4°C | 11.4°C | 89 | 11.4 | 10.210 h |
| December | 15.9°C8.4°C | 8.4°C | 80 | 9.9 | 9.710 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
Nearby cities
- Bab EzzouarAlgeria · 9 kmHigh 23.3°C · Low 13.6°C · 592 mm rain a year
- RouibaAlgeria · 17 kmHigh 23.7°C · Low 13.5°C · 592 mm rain a year
- Beni MeredAlgeria · 31 kmHigh 23.6°C · Low 13.6°C · 603 mm rain a year
- BlidaAlgeria · 37 kmHigh 22.3°C · Low 12.9°C · 603 mm rain a year
- MédéaAlgeria · 60 kmHigh 20.5°C · Low 9.4°C · 509 mm rain a year
- Tizi OuzouAlgeria · 85 kmHigh 22.8°C · Low 12.1°C · 758 mm rain a year
- Khemis MilianaAlgeria · 94 kmHigh 24.0°C · Low 12.4°C · 493 mm rain a year
- Aïn OusseraAlgeria · 143 kmHigh 23.1°C · Low 10.5°C · 219 mm rain a year
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 limitsWhat do the high and low temperatures mean?
We average the daily maximum and daily minimum for each calendar month over 1991–2020. They are not record extremes, a forecast range or temperatures at a fixed time of day.
How is a rain day counted?
A local calendar day (standard time, UTC+1, no daylight saving) with at least 1 mm of total precipitation counts as one rain day. We count these for each year and month, then average across 30 years. The average does not predict which days will be wet.
Where do the numbers come from?
ERA5-Land (temperature) and ERA5 (precipitation) reanalysis from the Copernicus Climate Change Service, read from the Open-Meteo open-data archive. Temperature comes from the 0.1° model cell at 36.70°, 3.10° (4 km from the city centre), adjusted down by 0.5°C for the difference between the city's elevation (113 m) and the cell's (37 m). Rain comes from the 0.25° cell at 36.75°, 3.00°. These are model estimates, not weather-station readings; coast, hills and city streets can differ.
Does this page show sunshine, humidity or sea temperature?
No. The data used here contain air temperature and precipitation only. Daylight hours are calculated from the city's latitude (sunrise to sunset), not measured sunshine.