Saint Louis
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Saint Louis, Senegal

  • The average high temperature in December: 31°C

The warmest month (with the highest average high temperature) is October (33.7°C).
The month with the lowest average high temperature is May (30.3°C).

  • The average low temperature in December: 16.4°C

The month with the highest average low temperature is September (25.1°C).
The coldest month (with the lowest average low temperature) is January (15.2°C).

  • The average humidity in December: 45%

The month with the highest relative humidity is August (80%).
The month with the lowest relative humidity is January (44%).

  • The average rainfall in December: 0.7mm

The wettest month (with the highest rainfall) is August (94.3mm).
The driest month (with the lowest rainfall) is April (0mm).

  • The average rainfall days in December: 0 days

Months with the highest number of rainy days are August and September (6 days).
Months with the lowest number of rainy days are March, April, May, November and December (0 days).

  • The average sea temperature in December: 23.3°C

The best month for swimming (with the highest average sea temperature) is September (28.2°C).
The coldest month (with the lowest average sea temperature) is March (19.6°C).

  • The average daylight in December: 11h

Months with the longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

  • The average sunshine in December: 7.5h

The month with most sunshine is April (Average sunshine: 9.5h).
The month with least sunshine is June (Average sunshine: 7.4h).

  • The average UV index in December: 8

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).