Mostaganem weather in January

In January, Mostaganem has daytime highs averaging 15 °C, nights around 7.5 °C, with 8.1 wet days, and a sea temperature of 16 °C. Figures are 1991–2020 climate normals.

  1. Jan 11°
  2. Feb 12°
  3. Mar 14°
  4. Apr 16°
  5. May 19°
  6. Jun 23°
  7. Jul 26°
  8. Aug 27°
  9. Sep 24°
  10. Oct 20°
  11. Nov 15°
  12. Dec 12°

Daily temperatures through January

12°19°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 16.0 °C and lows bottom out at 6.1 °C.

How January develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 January15.7 °C7.3 °C21 %
11–20 January15.1 °C7.3 °C29 %
21–31 January15.1 °C7.8 °C28 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 20, at 47 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical January Share of the month
Days above 25 °C 0 of 31 0 %
Days above 30 °C 0 of 31 0 %
Days below 0 °C 0.03 of 31 0 %
Days with more than 1 mm rain 8.1 of 31 26 %

Conditions in January

MeasureAverage
Mean temperature 11 °C
Record high (1991–2020) 24 °C
Record low (1991–2020) -0.2 °C
Relative humidity 78 %
Wind speed 18 km/h
Cloud cover 45 %

Where Mostaganem ranks in January

RankingPositionValue
The coolest places in Africa in January28thof 5015 °C

January compared with the months around it

Month Avg high Rainfall Cloud
January 15.3 °C 56 mm 45 %
February 16.0 °C 47 mm 42 %
March 18.4 °C 46 mm 44 %
November 19.4 °C 71 mm 48 %
December 16.3 °C 50 mm 47 %

See all twelve months for Mostaganem

Nearby destinations in January

Destination Avg high Wet days Sea
Mostaganem 15 °C 8.1 16
Oran 15 °C 8 16
Sidi Bel Abbes 15 °C 8
Chlef 16 °C 9
Tiaret 10 °C 9

QuestionsJanuary in Mostaganem, answered

How warm is Mostaganem in January?

Daily highs average 15 °C and nights fall to about 7.5 °C, a spread of 7.8 °C between afternoon and dawn. That makes January the 12th warmest month of the year here.

Does it rain much in Mostaganem in January?

January averages 56 mm of rain, spread over about 8 of the 31 days — 26 % of the month. Cloud cover averages 45 % of the sky.

Is the sea warm enough to swim in January?

The sea averages 16 °C off Mostaganem in January. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in January?

Mostaganem averages 10.0 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.