Climate averages 1991–2020
Saint-Louis weather
in April.
A warm, very dry month: the 10th warmest and the joint 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Saint-Louis: daytime highs average 27.6°C and nights cool to about 19.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical April (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average April day.
The nearest other city in this atlas is Louga (53 km away). In April its highs average 35.8°C, 8.2°C warmer than Saint-Louis, with almost no rain (under 1 mm).
Among the 16 cities listed in Senegal, Saint-Louis ranks 15th of 16 for the warmest April highs and joint 10th of 16 for the driest April (rainfall, lowest first). The mean April high of those 16 cities is 34.2°C; Saint-Louis is 6.6°C cooler than that mean.
From April to May, average highs rise by 0.5°C to 28.1°C, and monthly rainfall stays under 1 mm.
The annual picture
April 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
Saint-Louis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.0°C18.4°C | 18.4°C | 2.7 | 0.2 | 11.311 h |
| February | 27.4°C18.9°C | 18.9°C | 1.4 | 0.2 | 11.612 h |
| March | 27.9°C19.3°C | 19.3°C | 0.1 | 0.0 | 12.012 h |
| April, selected | 27.6°C19.3°C | 19.3°C | 0.1 | 0.0 | 12.512 h |
| May | 28.1°C20.5°C | 20.5°C | 0 | 0.0 | 12.913 h |
| June | 28.9°C22.7°C | 22.7°C | 0.8 | 0.3 | 13.113 h |
| July | 29.5°C24.6°C | 24.6°C | 11 | 2.0 | 13.013 h |
| August | 30.1°C25.6°C | 25.6°C | 57 | 7.7 | 12.713 h |
| September | 30.9°C26.1°C | 26.1°C | 52 | 7.2 | 12.212 h |
| October | 32.1°C25.6°C | 25.6°C | 13 | 2.1 | 11.812 h |
| November | 31.0°C23.2°C | 23.2°C | 0.3 | 0.1 | 11.411 h |
| December | 28.6°C20.2°C | 20.2°C | 1.7 | 0.3 | 11.211 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
April in nearby cities
- Louga in AprilSenegal · 53 kmHigh 35.8°C · Low 19.4°C · 0.1 mm rain
- Richard-Toll in AprilSenegal · 98 kmHigh 37.6°C · Low 21.1°C · 0.1 mm rain
- Tivaouane in AprilSenegal · 124 kmHigh 30.3°C · Low 18.5°C · 0 mm rain
- Touba in AprilSenegal · 144 kmHigh 37.7°C · Low 19.9°C · 0.1 mm rain
- Thiès in AprilSenegal · 144 kmHigh 33.0°C · Low 18.7°C · 0 mm rain
- Thiès Nones in AprilSenegal · 146 kmHigh 30.9°C · Low 19.0°C · 0 mm rain
- Mbaké in AprilSenegal · 150 kmHigh 37.6°C · Low 19.8°C · 0.1 mm rain
- Diourbel in AprilSenegal · 155 kmHigh 37.2°C · Low 19.8°C · 0 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 Saint-Louis) is explained once on the Saint-Louis year overview and on the Sources, method and limits page.