Flag for Antigua and Barbuda

Climate & Weather Averages in Saint John's, Antigua and Barbuda

Currently: 30 °C. Passing clouds. (Weather station: Vc Bird International Antigua Airport, Antigua and Barbuda). See more current weather

Annual Weather Averages Near Saint John's

Averages are for Vc Bird International Antigua Airport, which is 7 kilometers from Saint John's.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Saint John's

High Temp: 31 °C

Low Temp: 23 °C

Mean Temp: 27 °C

Precipitation: 73.4 mm

Humidity: 76%

Dew Point: 22 °C

Wind: 36 km/h

Pressure: 101.54 kPa

Visibility: 16 km

January Climate & Weather Averages in Saint John's

High Temp: 28 °C

Low Temp: 23 °C

Mean Temp: 26 °C

Precipitation: 52.9 mm

Humidity: 75%

Dew Point: 21 °C

Wind: 38 km/h

Pressure: 101.65 kPa

Visibility: 16 km

February Climate & Weather Averages in Saint John's

High Temp: 28 °C

Low Temp: 23 °C

Mean Temp: 25 °C

Precipitation: 36.2 mm

Humidity: 74%

Dew Point: 20 °C

Wind: 39 km/h

Pressure: 101.68 kPa

Visibility: 16 km

March Climate & Weather Averages in Saint John's

High Temp: 29 °C

Low Temp: 23 °C

Mean Temp: 26 °C

Precipitation: 33.8 mm

Humidity: 73%

Dew Point: 20 °C

Wind: 37 km/h

Pressure: 101.62 kPa

Visibility: 17 km

April Climate & Weather Averages in Saint John's

High Temp: 29 °C

Low Temp: 24 °C

Mean Temp: 26 °C

Precipitation: 52.2 mm

Humidity: 74%

Dew Point: 21 °C

Wind: 36 km/h

Pressure: 101.54 kPa

Visibility: 17 km

May Climate & Weather Averages in Saint John's

High Temp: 30 °C

Low Temp: 25 °C

Mean Temp: 27 °C

Precipitation: 76.5 mm

Humidity: 76%

Dew Point: 23 °C

Wind: 36 km/h

Pressure: 101.57 kPa

Visibility: 16 km

June Climate & Weather Averages in Saint John's

High Temp: 31 °C

Low Temp: 25 °C

Mean Temp: 28 °C

Precipitation: 66.8 mm

Humidity: 76%

Dew Point: 23 °C

Wind: 40 km/h

Pressure: 101.67 kPa

Visibility: 16 km

July Climate & Weather Averages in Saint John's

High Temp: 31 °C

Low Temp: 26 °C

Mean Temp: 28 °C

Precipitation: 79.4 mm

Humidity: 76%

Dew Point: 23 °C

Wind: 42 km/h

Pressure: 101.66 kPa

Visibility: 16 km

August Climate & Weather Averages in Saint John's

High Temp: 31 °C

Low Temp: 26 °C

Mean Temp: 28 °C

Precipitation: 89.5 mm

Humidity: 77%

Dew Point: 24 °C

Wind: 38 km/h

Pressure: 101.53 kPa

Visibility: 16 km

September Climate & Weather Averages in Saint John's

High Temp: 31 °C

Low Temp: 25 °C

Mean Temp: 28 °C

Precipitation: 100.4 mm

Humidity: 78%

Dew Point: 24 °C

Wind: 30 km/h

Pressure: 101.39 kPa

Visibility: 16 km

October Climate & Weather Averages in Saint John's

High Temp: 31 °C

Low Temp: 25 °C

Mean Temp: 28 °C

Precipitation: 110.7 mm

Humidity: 78%

Dew Point: 24 °C

Wind: 28 km/h

Pressure: 101.33 kPa

Visibility: 16 km

November Climate & Weather Averages in Saint John's

High Temp: 30 °C

Low Temp: 24 °C

Mean Temp: 27 °C

Precipitation: 108.6 mm

Humidity: 78%

Dew Point: 23 °C

Wind: 30 km/h

Pressure: 101.33 kPa

Visibility: 16 km

December Climate & Weather Averages in Saint John's

High Temp: 29 °C

Low Temp: 23 °C

Mean Temp: 26 °C

Precipitation: 73.8 mm

Humidity: 76%

Dew Point: 21 °C

Wind: 35 km/h

Pressure: 101.53 kPa

Visibility: 16 km

Quick Climate Info

Hottest Month August (28 °C avg)
Coldest Month February (25 °C avg)
Wettest Month October (110.7 mm avg)
Windiest Month July (42 km/h avg)
Annual precip. 880.7 mm (per year)

Weather by CustomWeather, © 2025