The Best Time to Visit the British Indian Ocean Territory for Weather, Safety, & Tourism

The best times to visit the British Indian Ocean Territory for ideal weather are

July 30th to August 19th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

Weather in the British Indian Ocean Territory

Temperature

Average temperatures in the British Indian Ocean Territory vary barely at all. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the bottom 1 percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit the British Indian Ocean Territory, the hottest months are April, March, and then May. See average monthly temperatures below. The warmest time of year is generally mid March where highs are regularly around 90.2°F (32.3°C) with temperatures rarely dropping below 79°F (26.1°C) at night.

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Average the British Indian Ocean Territory Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in the British Indian Ocean Territory are August, June, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid August. For example, on the week of August 6th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late September with an average of 5 days of significant precipitation the week of September 24th.

When can you find snow in the British Indian Ocean Territory? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Average Rain and Snow by Month

Humidity and Wind

the British Indian Ocean Territory has some extremely humid months, and high humidity throughout the year. The least humid month is April (74.7% relative humidity), and the most humid month is September (81.5%).

Wind in the British Indian Ocean Territory is usually moderate. The windiest month is July, followed by August and June. July’s average wind speed of around 9.9 knots (11.4 MPH or 18.4 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid August where average top sustained speeds reach 15.4 knots, which is considered a moderate breeze.

Average Wind Speeds

Is it Safe to Travel to the British Indian Ocean Territory?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 27, 2023.

The Busiest and Least Crowded Months

The busiest month for tourism in the British Indian Ocean Territory is February, followed by May and January. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit the British Indian Ocean Territory in September. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

Overall the British Indian Ocean Territory Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 90.2°F (32.3°C) and 87.7°F (30.9°C) with similar temperatures in the later months. Rain is very common with 9 to 12 days of significant precipitation per month. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 8 to 9 days of precipitation per month. June – August is fairly slow season for tourism in the British Indian Ocean Territory, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 88.8°F (31.6°C) and 85.3°F (29.6°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: approximately 15 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Summer (December through February)

Weather is perfect this time of year in the British Indian Ocean Territory to be enjoyable for warm weather travelers. The average high during this season is between 88.6°F (31.4°C) and 86.6°F (30.3°C). On average, it rains or snows a very great amount: 14 to 17 times per month. These times of year are the busiest with tourists.

Best Times to Travel › the British Indian Ocean Territory