Currently: 79 °F. Passing clouds. (Weather station: Sao Luiz Aeroporto, Brazil). See more current weatherAnnual Weather Averages Near São Luis
Averages are for Sao Luiz Aeroporto, which is 5 miles from São Luis.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in São Luis
High Temp: 90 °F
Low Temp: 76 °F
Mean Temp: 83 °F
Precipitation: 3.64"
Humidity: 78%
Dew Point: 74 °F
Wind: 16 mph
Pressure: 29.86 "Hg
Visibility: 8 mi
January Climate & Weather Averages in São Luis
High Temp: 88 °F
Low Temp: 77 °F
Mean Temp: 82 °F
Precipitation: 4.91"
Humidity: 80%
Dew Point: 74 °F
Wind: 16 mph
Pressure: 29.84 "Hg
Visibility: 8 mi
February Climate & Weather Averages in São Luis
High Temp: 87 °F
Low Temp: 76 °F
Mean Temp: 82 °F
Precipitation: 6.26"
Humidity: 83%
Dew Point: 74 °F
Wind: 14 mph
Pressure: 29.85 "Hg
Visibility: 8 mi
March Climate & Weather Averages in São Luis
High Temp: 87 °F
Low Temp: 76 °F
Mean Temp: 81 °F
Precipitation: 8.29"
Humidity: 85%
Dew Point: 75 °F
Wind: 12 mph
Pressure: 29.85 "Hg
Visibility: 8 mi
April Climate & Weather Averages in São Luis
High Temp: 87 °F
Low Temp: 76 °F
Mean Temp: 82 °F
Precipitation: 8.06"
Humidity: 85%
Dew Point: 75 °F
Wind: 11 mph
Pressure: 29.85 "Hg
Visibility: 8 mi
May Climate & Weather Averages in São Luis
High Temp: 88 °F
Low Temp: 76 °F
Mean Temp: 82 °F
Precipitation: 6.65"
Humidity: 83%
Dew Point: 75 °F
Wind: 11 mph
Pressure: 29.87 "Hg
Visibility: 8 mi
June Climate & Weather Averages in São Luis
High Temp: 89 °F
Low Temp: 76 °F
Mean Temp: 82 °F
Precipitation: 3.93"
Humidity: 80%
Dew Point: 74 °F
Wind: 12 mph
Pressure: 29.90 "Hg
Visibility: 8 mi
July Climate & Weather Averages in São Luis
High Temp: 89 °F
Low Temp: 76 °F
Mean Temp: 82 °F
Precipitation: 2.72"
Humidity: 79%
Dew Point: 73 °F
Wind: 13 mph
Pressure: 29.92 "Hg
Visibility: 8 mi
August Climate & Weather Averages in São Luis
High Temp: 89 °F
Low Temp: 77 °F
Mean Temp: 83 °F
Precipitation: 0.80"
Humidity: 76%
Dew Point: 73 °F
Wind: 17 mph
Pressure: 29.91 "Hg
Visibility: 8 mi
September Climate & Weather Averages in São Luis
High Temp: 90 °F
Low Temp: 78 °F
Mean Temp: 84 °F
Precipitation: 0.30"
Humidity: 73%
Dew Point: 72 °F
Wind: 21 mph
Pressure: 29.88 "Hg
Visibility: 8 mi
October Climate & Weather Averages in São Luis
High Temp: 90 °F
Low Temp: 78 °F
Mean Temp: 84 °F
Precipitation: 0.10"
Humidity: 71%
Dew Point: 72 °F
Wind: 23 mph
Pressure: 29.85 "Hg
Visibility: 8 mi
November Climate & Weather Averages in São Luis
High Temp: 90 °F
Low Temp: 79 °F
Mean Temp: 84 °F
Precipitation: 0.30"
Humidity: 72%
Dew Point: 73 °F
Wind: 22 mph
Pressure: 29.82 "Hg
Visibility: 8 mi
December Climate & Weather Averages in São Luis
High Temp: 90 °F
Low Temp: 78 °F
Mean Temp: 84 °F
Precipitation: 1.40"
Humidity: 74%
Dew Point: 73 °F
Wind: 21 mph
Pressure: 29.83 "Hg
Visibility: 8 mi