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coastya
Satellite view of Barochois Sylvaine; the pin marks the beach
Satellite view: Sentinel-2 cloudless · EOX, CC BY 4.0, colour-adjusted by Coastya. About 6 km of coast; the pin marks the beach.

Cove

Barochois Sylvaine

British Indian Ocean TerritoryBritish Indian Ocean Territory · Indian Ocean

-7.4310, 72.4311 · Seabreeze village, 17 km

  • 29°Sea · April
  • 28°High · April
  • 7.9 hSunshine · May
The dot marks Barochois Sylvaine. About 140 km of coast, north at the top.

Your month at the beach

Barochois Sylvaine in October

  • 28°CAir, daytime high27°C at night
  • 28°CSea temperature
  • 7.2 hSunshine a day
  • 22 daysRainy days in the month198 mm in total
  • 22 km/hAverage wind

Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.

The beach itself

  • 0Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap

No reliable information yet on: bathing water quality, wheelchair access, lifeguards.

October from 2020 to 2025

In October 2025 the sea averaged 27.9 °C — about the same as the 1991–2020 average.

Sea temperature 2025: +0.1 °C

1991–2020 average: 27.8 °C

Air, daytime high 2025: −0.1 °C

1991–2020 average: 27.6 °C

Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.

When to go

1991–2020 averages
Warmest seaMarch and April29 °C
Most sunshineApril and May8 h of sun a day
Least rainJune and August95 mm in the month

The year at a glance

  1. Jan29°6 h266 mm
  2. Feb29°7 h213 mm
  3. Mar29°8 h178 mm
  4. Apr29°8 h144 mm
  5. May29°8 h107 mm
  6. Jun28°7 h104 mm
  7. Jul27°7 h121 mm
  8. Aug27°8 h95 mm
  9. Sep27°7 h172 mm
  10. Oct28°7 h198 mm
  11. Nov28°8 h201 mm
  12. Dec29°7 h237 mm
8°C20°C32°C

Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.

Sea temperature

1991–2020 averages
27°28°29°JanFebMarAprMayJunJulAugSepOctNovDecJan: 29°Feb: 29°Mar: 29°Apr: 29°May: 29°Jun: 28°Jul: 27°Aug: 27°Sep: 27°Oct: 28°Nov: 28°Dec: 29°27°29°
8°C20°C32°C

Climate through the year

1991–2020 averages
27°28°JanFebMarAprMayJunJulAugSepOctNovDecJan: 28 °C (High 28° / Low 27°)Feb: 28 °C (High 28° / Low 27°)Mar: 28 °C (High 28° / Low 28°)Apr: 28 °C (High 28° / Low 28°)May: 28 °C (High 28° / Low 28°)Jun: 27 °C (High 27° / Low 27°)Jul: 27 °C (High 27° / Low 26°)Aug: 26 °C (High 27° / Low 26°)Sep: 27 °C (High 27° / Low 26°)Oct: 27 °C (High 28° / Low 27°)Nov: 28 °C (High 28° / Low 27°)Dec: 28 °C (High 28° / Low 27°)28°26°
AverageLow – High
8°C20°C32°C

Rain

0 mm100 mm200 mm300 mmJanFebMarAprMayJunJulAugSepOctNovDecJan: 266 mm266Feb: 213 mmMar: 178 mmApr: 144 mmMay: 107 mmJun: 104 mmJul: 121 mmAug: 95 mm95Sep: 172 mmOct: 198 mmNov: 201 mmDec: 237 mm

Sunshine

0 h2.5 h5 h7.5 hJanFebMarAprMayJunJulAugSepOctNovDecJan: 6.5 h6.5Feb: 7.0 hMar: 7.8 hApr: 7.8 hMay: 7.9 h7.9Jun: 7.4 hJul: 7.1 hAug: 7.5 hSep: 6.6 hOct: 7.2 hNov: 7.5 hDec: 7.0 h

Sunshine hours are estimated from measured solar radiation, not observed directly.

Month by month

1991–2020 averages

Every month at Barochois Sylvaine: air, sea, rain and sunshine. Averages for 1991–2020.

Every month at Barochois Sylvaine: air, sea, rain and sunshine. Averages for 1991–2020.
MonthHigh°CLow°CSea°CRainmmRainy daysdaysSunshineh/dayWindkm/h
January282729266256.518
February282729213237.018
March282829178247.815
Aprilwarmest sea282829144227.815
May282829107177.920
June272728104197.424
July272627121197.127
August27262795207.528
September272627172226.626
October282728198227.222
November282728201217.518
December282729237247.016

Swipe sideways to see the other columns.

Photos

Photos shared by their authors on Wikimedia Commons, with its colours adjusted.

Barochois Sylvaine: Barochois Maurice, Diego Garcia
Photo: Steve Swayne from Maleny, Australia · Wikimedia Commons · CC BY-SA 2.0 · stylised; this version keeps the same licence.

About these numbers

Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.

WhatWhere it comes from Nearest measurement
Air, rain and sunshineNASA POWER11 km away
Sea temperatureNOAA OISST v2.1, 1991–20209 km away
2020–2025, month by monthNASA POWER · NOAA OISST v2.111 km away
Lifeguards and places to stayOpenStreetMapwithin 1–5 km
Image at the topSentinel-2 cloudless (EOX)at this spot

See every data source →