Currently: 79 °F. Passing clouds. (Weather station: Hewanorra International Airport, Saint Lucia). See more current weatherAnnual Weather Averages in Castries
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Castries
High Temp: 89 °F
Low Temp: 73 °F
Mean Temp: 81 °F
Precipitation: 4.74"
Humidity: 74%
Dew Point: 73 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Castries
High Temp: 84 °F
Low Temp: 73 °F
Mean Temp: 79 °F
Precipitation: 3.51"
Humidity: 74%
Dew Point: 71 °F
Wind: 18 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
February Climate & Weather Averages in Castries
High Temp: 85 °F
Low Temp: 73 °F
Mean Temp: 79 °F
Precipitation: 2.56"
Humidity: 71%
Dew Point: 70 °F
Wind: 19 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Castries
High Temp: 85 °F
Low Temp: 74 °F
Mean Temp: 80 °F
Precipitation: 2.50"
Humidity: 71%
Dew Point: 70 °F
Wind: 19 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
April Climate & Weather Averages in Castries
High Temp: 87 °F
Low Temp: 76 °F
Mean Temp: 81 °F
Precipitation: 2.59"
Humidity: 71%
Dew Point: 72 °F
Wind: 19 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Castries
High Temp: 87 °F
Low Temp: 77 °F
Mean Temp: 82 °F
Precipitation: 3.51"
Humidity: 72%
Dew Point: 73 °F
Wind: 20 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Castries
High Temp: 88 °F
Low Temp: 77 °F
Mean Temp: 82 °F
Precipitation: 4.69"
Humidity: 74%
Dew Point: 74 °F
Wind: 20 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Castries
High Temp: 88 °F
Low Temp: 77 °F
Mean Temp: 82 °F
Precipitation: 6.25"
Humidity: 75%
Dew Point: 75 °F
Wind: 18 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Castries
High Temp: 88 °F
Low Temp: 77 °F
Mean Temp: 83 °F
Precipitation: 7.19"
Humidity: 77%
Dew Point: 76 °F
Wind: 16 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Castries
High Temp: 89 °F
Low Temp: 77 °F
Mean Temp: 83 °F
Precipitation: 4.99"
Humidity: 75%
Dew Point: 76 °F
Wind: 13 mph
Pressure: 29.93 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Castries
High Temp: 89 °F
Low Temp: 76 °F
Mean Temp: 83 °F
Precipitation: 8.07"
Humidity: 77%
Dew Point: 76 °F
Wind: 13 mph
Pressure: 29.91 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Castries
High Temp: 87 °F
Low Temp: 76 °F
Mean Temp: 81 °F
Precipitation: 6.53"
Humidity: 78%
Dew Point: 75 °F
Wind: 15 mph
Pressure: 29.91 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Castries
High Temp: 85 °F
Low Temp: 75 °F
Mean Temp: 80 °F
Precipitation: 4.45"
Humidity: 75%
Dew Point: 72 °F
Wind: 17 mph
Pressure: 29.97 "Hg
Visibility: 10 mi