Annual Weather Averages in Douala Obs.
Douala Obs. is 94 miles from Tonga, so the actual climate in Tonga can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Tonga
High Temp: 92 °F
Low Temp: 74 °F
Mean Temp: 81 °F
Precipitation: 9.71"
Humidity: 87%
Dew Point: 76 °F
Wind: 5 mph
Pressure: 29.86 "Hg
Visibility: 6 mi
January Climate & Weather Averages in Tonga
High Temp: 91 °F
Low Temp: 75 °F
Mean Temp: 83 °F
Precipitation: 1.92"
Humidity: 84%
Dew Point: 76 °F
Wind: 5 mph
Pressure: 29.83 "Hg
Visibility: 5 mi
February Climate & Weather Averages in Tonga
High Temp: 92 °F
Low Temp: 76 °F
Mean Temp: 84 °F
Precipitation: 2.86"
Humidity: 84%
Dew Point: 77 °F
Wind: 5 mph
Pressure: 29.81 "Hg
Visibility: 5 mi
March Climate & Weather Averages in Tonga
High Temp: 91 °F
Low Temp: 76 °F
Mean Temp: 83 °F
Precipitation: 5.37"
Humidity: 84%
Dew Point: 77 °F
Wind: 6 mph
Pressure: 29.81 "Hg
Visibility: 6 mi
April Climate & Weather Averages in Tonga
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 82 °F
Precipitation: 8.29"
Humidity: 85%
Dew Point: 76 °F
Wind: 5 mph
Pressure: 29.82 "Hg
Visibility: 7 mi
May Climate & Weather Averages in Tonga
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 82 °F
Precipitation: 8.51"
Humidity: 86%
Dew Point: 76 °F
Wind: 5 mph
Pressure: 29.85 "Hg
Visibility: 7 mi
June Climate & Weather Averages in Tonga
High Temp: 86 °F
Low Temp: 74 °F
Mean Temp: 80 °F
Precipitation: 12.33"
Humidity: 88%
Dew Point: 75 °F
Wind: 5 mph
Pressure: 29.91 "Hg
Visibility: 7 mi
July Climate & Weather Averages in Tonga
High Temp: 83 °F
Low Temp: 74 °F
Mean Temp: 78 °F
Precipitation: 17.24"
Humidity: 91%
Dew Point: 75 °F
Wind: 5 mph
Pressure: 29.93 "Hg
Visibility: 6 mi
August Climate & Weather Averages in Tonga
High Temp: 82 °F
Low Temp: 74 °F
Mean Temp: 78 °F
Precipitation: 21.65"
Humidity: 92%
Dew Point: 75 °F
Wind: 6 mph
Pressure: 29.93 "Hg
Visibility: 6 mi
September Climate & Weather Averages in Tonga
High Temp: 85 °F
Low Temp: 74 °F
Mean Temp: 79 °F
Precipitation: 18.50"
Humidity: 91%
Dew Point: 75 °F
Wind: 5 mph
Pressure: 29.90 "Hg
Visibility: 6 mi
October Climate & Weather Averages in Tonga
High Temp: 87 °F
Low Temp: 74 °F
Mean Temp: 80 °F
Precipitation: 11.92"
Humidity: 89%
Dew Point: 75 °F
Wind: 5 mph
Pressure: 29.87 "Hg
Visibility: 7 mi
November Climate & Weather Averages in Tonga
High Temp: 88 °F
Low Temp: 74 °F
Mean Temp: 81 °F
Precipitation: 6.28"
Humidity: 88%
Dew Point: 76 °F
Wind: 5 mph
Pressure: 29.84 "Hg
Visibility: 7 mi
December Climate & Weather Averages in Tonga
High Temp: 90 °F
Low Temp: 75 °F
Mean Temp: 83 °F
Precipitation: 1.69"
Humidity: 86%
Dew Point: 76 °F
Wind: 4 mph
Pressure: 29.83 "Hg
Visibility: 5 mi