Climate averages 1991–2020
Saint-Louis weather
in January.
A warm, very dry month: the coolest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Saint-Louis: daytime highs average 27.0°C and nights cool to about 18.4°C. By daytime temperature it is the coolest month of the year.
Expect about 2.7 mm of rain on fewer than one day, which makes January a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 17 min on an average January day.
The nearest other city in this atlas is Louga (53 km away). In January its highs average 31.4°C, 4.4°C warmer than Saint-Louis, with 3.0 mm of rain.
Among the 16 cities listed in Senegal, Saint-Louis ranks 15th of 16 for the warmest January highs and 11th of 16 for the driest January (rainfall, lowest first). The mean January high of those 16 cities is 30.9°C; Saint-Louis is 3.9°C cooler than that mean.
From January to February, average highs rise by 0.4°C to 27.4°C, and monthly rainfall falls from 2.7 mm to 1.4 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Louga in JanuarySenegal · 53 kmHigh 31.4°C · Low 17.3°C · 3.0 mm rain
- Richard-Toll in JanuarySenegal · 98 kmHigh 30.7°C · Low 17.6°C · 3.7 mm rain
- Tivaouane in JanuarySenegal · 124 kmHigh 29.9°C · Low 17.2°C · 2.2 mm rain
- Touba in JanuarySenegal · 144 kmHigh 31.5°C · Low 17.1°C · 3.4 mm rain
- Thiès in JanuarySenegal · 144 kmHigh 31.3°C · Low 17.3°C · 2.0 mm rain
- Thiès Nones in JanuarySenegal · 146 kmHigh 30.2°C · Low 17.8°C · 2.0 mm rain
- Mbaké in JanuarySenegal · 150 kmHigh 31.5°C · Low 17.1°C · 3.4 mm rain
- Diourbel in JanuarySenegal · 155 kmHigh 31.9°C · Low 17.6°C · 2.9 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.