Climate averages 1991–2020
Mostaganem weather
in December.
A mild, moderately wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Mostaganem: daytime highs average 16.3°C and nights cool to about 9.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 46 mm of rain on roughly 7 days, which makes December a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 46 min on an average December day.
The nearest other city in this atlas is Relizane (47 km away). In December its highs average 16.8°C, about as warm as Mostaganem, with 43 mm of rain.
Among the 55 cities listed in Algeria, Mostaganem ranks joint 9th of 55 for the warmest December highs and joint 34th of 55 for the driest December (rainfall, lowest first). The mean December high of those 55 cities is 14.1°C; Mostaganem is 2.2°C warmer than that mean.
From December to January, average highs fall by 1.0°C to 15.4°C, and monthly rainfall rises from 46 mm to 50 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Relizane in DecemberAlgeria · 47 kmHigh 16.8°C · Low 7.0°C · 43 mm rain
- Mascara in DecemberAlgeria · 60 kmHigh 14.7°C · Low 5.0°C · 42 mm rain
- Oran in DecemberAlgeria · 70 kmHigh 16.2°C · Low 9.9°C · 47 mm rain
- Sidi Bel Abbes in DecemberAlgeria · 105 kmHigh 15.6°C · Low 6.3°C · 46 mm rain
- Chlef in DecemberAlgeria · 115 kmHigh 16.4°C · Low 7.1°C · 49 mm rain
- Saïda in DecemberAlgeria · 123 kmHigh 13.5°C · Low 4.9°C · 30 mm rain
- Tiaret in DecemberAlgeria · 127 kmHigh 11.3°C · Low 2.8°C · 44 mm rain
- Aïn Temouchent in DecemberAlgeria · 132 kmHigh 16.4°C · Low 8.1°C · 49 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.