Flag for British Indian Ocean Territory

Climate & Weather Averages in Diego Garcia, British Indian Ocean Territory, British Indian Ocean Territory

Currently: 22 °C. Haze. (Weather station: Nasik City, British Indian Ocean Territory). See more current weather

Annual Weather Averages in Nasik City

Nasik City is 3020 kilometers from Diego Garcia, so the actual climate in Diego Garcia can vary a bit.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Diego Garcia

High Temp: 34 °C

Low Temp: 17 °C

Mean Temp: 28 °C

Precipitation: 176.2 mm

Humidity: 67%

Dew Point: 21 °C

Wind: 21 km/h

Pressure: 100.89 kPa

Visibility: 3 km

January Climate & Weather Averages in Diego Garcia

High Temp: 31 °C

Low Temp: 17 °C

Mean Temp: 24 °C

Precipitation: 0.1 mm

Humidity: 53%

Dew Point: 15 °C

Wind: 15 km/h

Pressure: 101.32 kPa

Visibility: 3 km

February Climate & Weather Averages in Diego Garcia

High Temp: 32 °C

Low Temp: 18 °C

Mean Temp: 25 °C

Precipitation: 0.4 mm

Humidity: 51%

Dew Point: 15 °C

Wind: 16 km/h

Pressure: 101.24 kPa

Visibility: 3 km

March Climate & Weather Averages in Diego Garcia

High Temp: 33 °C

Low Temp: 21 °C

Mean Temp: 27 °C

Precipitation: 4.6 mm

Humidity: 55%

Dew Point: 18 °C

Wind: 18 km/h

Pressure: 101.09 kPa

Visibility: 4 km

April Climate & Weather Averages in Diego Garcia

High Temp: 34 °C

Low Temp: 24 °C

Mean Temp: 29 °C

Precipitation: 0.1 mm

Humidity: 68%

Dew Point: 23 °C

Wind: 20 km/h

Pressure: 100.90 kPa

Visibility: 4 km

May Climate & Weather Averages in Diego Garcia

High Temp: 34 °C

Low Temp: 27 °C

Mean Temp: 30 °C

Precipitation: 32.8 mm

Humidity: 71%

Dew Point: 25 °C

Wind: 24 km/h

Pressure: 100.72 kPa

Visibility: 4 km

June Climate & Weather Averages in Diego Garcia

High Temp: 33 °C

Low Temp: 26 °C

Mean Temp: 29 °C

Precipitation: 501.9 mm

Humidity: 80%

Dew Point: 25 °C

Wind: 26 km/h

Pressure: 100.43 kPa

Visibility: 3 km

July Climate & Weather Averages in Diego Garcia

High Temp: 30 °C

Low Temp: 25 °C

Mean Temp: 28 °C

Precipitation: 810.8 mm

Humidity: 86%

Dew Point: 26 °C

Wind: 29 km/h

Pressure: 100.41 kPa

Visibility: 3 km

August Climate & Weather Averages in Diego Garcia

High Temp: 30 °C

Low Temp: 25 °C

Mean Temp: 28 °C

Precipitation: 310.6 mm

Humidity: 85%

Dew Point: 25 °C

Wind: 28 km/h

Pressure: 100.56 kPa

Visibility: 3 km

September Climate & Weather Averages in Diego Garcia

High Temp: 31 °C

Low Temp: 25 °C

Mean Temp: 28 °C

Precipitation: 355.7 mm

Humidity: 83%

Dew Point: 25 °C

Wind: 21 km/h

Pressure: 100.72 kPa

Visibility: 3 km

October Climate & Weather Averages in Diego Garcia

High Temp: 34 °C

Low Temp: 24 °C

Mean Temp: 29 °C

Precipitation: 77.0 mm

Humidity: 68%

Dew Point: 23 °C

Wind: 17 km/h

Pressure: 100.93 kPa

Visibility: 3 km

November Climate & Weather Averages in Diego Garcia

High Temp: 34 °C

Low Temp: 22 °C

Mean Temp: 28 °C

Precipitation: 16.4 mm

Humidity: 53%

Dew Point: 18 °C

Wind: 16 km/h

Pressure: 101.12 kPa

Visibility: 3 km

December Climate & Weather Averages in Diego Garcia

High Temp: 32 °C

Low Temp: 19 °C

Mean Temp: 26 °C

Precipitation: 4.4 mm

Humidity: 53%

Dew Point: 16 °C

Wind: 15 km/h

Pressure: 101.26 kPa

Visibility: 3 km

Quick Climate Info

Hottest Month May (30 °C avg)
Coldest Month January (24 °C avg)
Wettest Month July (810.8 mm avg)
Windiest Month July (29 km/h avg)
Annual precip. 2114.6 mm (per year)

Weather by CustomWeather, © 2025