Currently: 77 °F. Passing clouds. (Weather station: Puerto Barrios Airport, Belize). See more current weatherAnnual Weather Averages in Puerto Barrios Airport
Puerto Barrios Airport is 25 miles from Sarstoon Island, so the actual climate in Sarstoon Island can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Sarstoon Island
High Temp: 90 °F
Low Temp: 68 °F
Mean Temp: 80 °F
Precipitation: 5.57"
Humidity: 83%
Dew Point: 73 °F
Wind: 7 mph
Pressure: 29.91 "Hg
Visibility: 8 mi
January Climate & Weather Averages in Sarstoon Island
High Temp: 82 °F
Low Temp: 68 °F
Mean Temp: 75 °F
Precipitation: 4.44"
Humidity: 86%
Dew Point: 69 °F
Wind: 7 mph
Pressure: 30.00 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Sarstoon Island
High Temp: 84 °F
Low Temp: 69 °F
Mean Temp: 77 °F
Precipitation: 3.96"
Humidity: 84%
Dew Point: 71 °F
Wind: 7 mph
Pressure: 29.97 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Sarstoon Island
High Temp: 87 °F
Low Temp: 70 °F
Mean Temp: 79 °F
Precipitation: 3.67"
Humidity: 82%
Dew Point: 71 °F
Wind: 8 mph
Pressure: 29.94 "Hg
Visibility: 7 mi
April Climate & Weather Averages in Sarstoon Island
High Temp: 90 °F
Low Temp: 73 °F
Mean Temp: 81 °F
Precipitation: 2.63"
Humidity: 80%
Dew Point: 74 °F
Wind: 8 mph
Pressure: 29.88 "Hg
Visibility: 7 mi
May Climate & Weather Averages in Sarstoon Island
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 83 °F
Precipitation: 4.34"
Humidity: 81%
Dew Point: 75 °F
Wind: 8 mph
Pressure: 29.86 "Hg
Visibility: 7 mi
June Climate & Weather Averages in Sarstoon Island
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 83 °F
Precipitation: 6.41"
Humidity: 82%
Dew Point: 76 °F
Wind: 8 mph
Pressure: 29.86 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Sarstoon Island
High Temp: 89 °F
Low Temp: 74 °F
Mean Temp: 82 °F
Precipitation: 7.67"
Humidity: 83%
Dew Point: 76 °F
Wind: 8 mph
Pressure: 29.92 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Sarstoon Island
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 82 °F
Precipitation: 7.82"
Humidity: 83%
Dew Point: 76 °F
Wind: 7 mph
Pressure: 29.90 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Sarstoon Island
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 82 °F
Precipitation: 6.55"
Humidity: 83%
Dew Point: 76 °F
Wind: 7 mph
Pressure: 29.85 "Hg
Visibility: 8 mi
October Climate & Weather Averages in Sarstoon Island
High Temp: 88 °F
Low Temp: 74 °F
Mean Temp: 81 °F
Precipitation: 7.20"
Humidity: 83%
Dew Point: 74 °F
Wind: 7 mph
Pressure: 29.87 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Sarstoon Island
High Temp: 84 °F
Low Temp: 71 °F
Mean Temp: 77 °F
Precipitation: 6.96"
Humidity: 86%
Dew Point: 72 °F
Wind: 6 mph
Pressure: 29.95 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Sarstoon Island
High Temp: 82 °F
Low Temp: 69 °F
Mean Temp: 76 °F
Precipitation: 5.18"
Humidity: 86%
Dew Point: 71 °F
Wind: 7 mph
Pressure: 29.98 "Hg
Visibility: 8 mi