Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
British Indian Ocean Territory Average Monthly Weather
Weather score66Good annual avg
Best months: March, May, February
Across the year, average daytime temperatures are around 29°C, sunshine averages 0h per day, and rainfall totals about 2038mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
29°C
Rain
2038mm
Annual total
Sun
0h
Sea
29°C
Weather score
66
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 154mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare British Indian Ocean Territory with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July29°C average high
July is close to British Indian Ocean Territory's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
July154mm average rain
July sits on the drier side of British Indian Ocean Territory's year, which helps with sightseeing and transfers.
Driest monthsMarch to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July0 hours average sun
July is close to British Indian Ocean Territory's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
July28°C average sea
July is below British Indian Ocean Territory's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to June and October to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
July64 weather score
July sits close to British Indian Ocean Territory's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary to December
These months have the strongest weather score in the monthly averages.