Climate averages 1991–2020

Saint-Louis weather
in July.

A hot, very dry month: the 5th warmest and the 9th driest of the year.

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

Average high 29.5°C Daytime mean, July
Average low 24.6°C Night-time mean, July
Rainfall 11 mm 2 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Saint-Louis · average highYear overview

July is a hot month in Saint-Louis: daytime highs average 29.5°C and nights cool to about 24.6°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 11 mm of rain on roughly 2 days, which makes July a very dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 59 min on an average July day.

The nearest other city in this atlas is Louga (53 km away). In July its highs average 33.1°C, 3.5°C warmer than Saint-Louis, with 30 mm of rain.

Among the 16 cities listed in Senegal, Saint-Louis ranks 15th of 16 for the warmest July highs and 1st of 16 for the driest July (rainfall, lowest first). The mean July high of those 16 cities is 31.9°C; Saint-Louis is 2.3°C cooler than that mean.

From July to August, average highs rise by 0.5°C to 30.1°C, and monthly rainfall rises from 11 mm to 57 mm.

The annual picture

July 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. 1520253035 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

Saint-Louis climate table

1991–2020
Monthly climate averages for Saint-Louis, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.0°C18.4°C18.4°C2.70.211.311 h
February 27.4°C18.9°C18.9°C1.40.211.612 h
March 27.9°C19.3°C19.3°C0.10.012.012 h
April 27.6°C19.3°C19.3°C0.10.012.512 h
May 28.1°C20.5°C20.5°C00.012.913 h
June 28.9°C22.7°C22.7°C0.80.313.113 h
July, selected 29.5°C24.6°C24.6°C112.013.013 h
August 30.1°C25.6°C25.6°C577.712.713 h
September 30.9°C26.1°C26.1°C527.212.212 h
October 32.1°C25.6°C25.6°C132.111.812 h
November 31.0°C23.2°C23.2°C0.30.111.411 h
December 28.6°C20.2°C20.2°C1.70.311.211 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

July in nearby cities

Distance from Saint-Louis

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 Saint-Louis) is explained once on the Saint-Louis year overview and on the Sources, method and limits page.