Climate averages 1991–2020

Chlef weather
in October.

A warm, fairly dry month: the 6th warmest and the 6th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 26.3°C Daytime mean, October
Average low 14.9°C Night-time mean, October
Rainfall 37 mm 6 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Chlef · average highYear overview

October is a warm month in Chlef: daytime highs average 26.3°C and nights cool to about 14.9°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 37 mm of rain on roughly 6 days, which makes October a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 18 min on an average October day.

The nearest other city in this atlas is Khemis Miliana (80 km away). In October its highs average 25.6°C, 0.7°C cooler than Chlef, with 42 mm of rain.

Among the 55 cities listed in Algeria, Chlef ranks 10th of 55 for the warmest October highs and 34th of 55 for the driest October (rainfall, lowest first). The mean October high of those 55 cities is 24.3°C; Chlef is 2.0°C warmer than that mean.

From October to November, average highs fall by 6.5°C to 19.8°C, and monthly rainfall rises from 37 mm to 64 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 0510152025303540 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Chlef climate table

1991–2020
Monthly climate averages for Chlef, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 15.5°C5.5°C5.5°C558.810.010 h
February 16.6°C6.0°C6.0°C528.410.811 h
March 19.7°C8.2°C8.2°C528.011.912 h
April 22.4°C10.5°C10.5°C508.213.113 h
May 26.6°C13.9°C13.9°C355.414.114 h
June 31.9°C18.0°C18.0°C7.01.514.615 h
July 36.1°C21.4°C21.4°C1.20.314.414 h
August 36.2°C22.0°C22.0°C6.41.113.514 h
September 31.1°C18.9°C18.9°C234.212.412 h
October, selected 26.3°C14.9°C14.9°C376.111.311 h
November 19.8°C10.2°C10.2°C649.410.310 h
December 16.4°C7.1°C7.1°C498.09.810 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

October in nearby cities

Distance from Chlef

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chlef) is explained once on the Chlef year overview and on the Sources, method and limits page.