Climate averages 1991–2020
Mostaganem weather
in August.
A hot, very dry month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Mostaganem: daytime highs average 32.3°C and nights cool to about 22.4°C. By daytime temperature it is the warmest month of the year.
Expect about 2.3 mm of rain on fewer than one day, which makes August a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 31 min on an average August day.
The nearest other city in this atlas is Relizane (47 km away). In August its highs average 36.7°C, 4.4°C warmer than Mostaganem, with 5.3 mm of rain.
Among the 55 cities listed in Algeria, Mostaganem ranks joint 41st of 55 for the warmest August highs and 7th of 55 for the driest August (rainfall, lowest first). The mean August high of those 55 cities is 34.2°C; Mostaganem is 1.9°C cooler than that mean.
From August to September, average highs fall by 3.5°C to 28.8°C, and monthly rainfall rises from 2.3 mm to 14 mm.
The annual picture
August 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
Mostaganem climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.4°C7.4°C | 7.4°C | 50 | 8.0 | 10.010 h |
| February | 16.1°C7.8°C | 7.8°C | 42 | 6.9 | 10.911 h |
| March | 18.6°C9.6°C | 9.6°C | 42 | 6.3 | 11.912 h |
| April | 20.7°C11.9°C | 11.9°C | 36 | 6.0 | 13.113 h |
| May | 24.2°C15.0°C | 15.0°C | 23 | 3.5 | 14.014 h |
| June | 28.4°C18.6°C | 18.6°C | 3.8 | 0.9 | 14.615 h |
| July | 31.7°C21.4°C | 21.4°C | 0.4 | 0.0 | 14.314 h |
| August, selected | 32.3°C22.4°C | 22.4°C | 2.3 | 0.4 | 13.514 h |
| September | 28.8°C20.1°C | 20.1°C | 14 | 2.7 | 12.412 h |
| October | 24.9°C16.5°C | 16.5°C | 31 | 5.2 | 11.311 h |
| November | 19.5°C12.0°C | 12.0°C | 68 | 8.5 | 10.310 h |
| December | 16.3°C9.0°C | 9.0°C | 46 | 7.0 | 9.810 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
August in nearby cities
- Relizane in AugustAlgeria · 47 kmHigh 36.7°C · Low 21.5°C · 5.3 mm rain
- Mascara in AugustAlgeria · 60 kmHigh 34.1°C · Low 19.7°C · 7.5 mm rain
- Oran in AugustAlgeria · 70 kmHigh 30.4°C · Low 22.4°C · 2.5 mm rain
- Sidi Bel Abbes in AugustAlgeria · 105 kmHigh 34.4°C · Low 20.7°C · 5.0 mm rain
- Chlef in AugustAlgeria · 115 kmHigh 36.2°C · Low 22.0°C · 6.4 mm rain
- Saïda in AugustAlgeria · 123 kmHigh 34.7°C · Low 20.7°C · 17 mm rain
- Tiaret in AugustAlgeria · 127 kmHigh 32.5°C · Low 18.7°C · 13 mm rain
- Aïn Temouchent in AugustAlgeria · 132 kmHigh 32.9°C · Low 21.6°C · 2.5 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 Mostaganem) is explained once on the Mostaganem year overview and on the Sources, method and limits page.