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coastya
Satellite view of Coralita Beach; 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.

Beach

Coralita Beach

Saint MartinSaint Martin · Caribbean Sea

18.0599, -63.0129 · Oyster Pond, 0 km

  • 29°Sea · September
  • 29°High · September
  • 9.4 hSunshine · April
The dot marks Coralita Beach. About 140 km of coast, north at the top.

Your month at the beach

Coralita Beach in October

  • 29°CAir, daytime high28°C at night
  • 29°CSea temperature
  • 7.9 hSunshine a day
  • 15 daysRainy days in the month108 mm in total
  • 20 km/hAverage wind

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

The beach itself

  • 24Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
  • 6 kmAirport: Grand Case-l'Espérance Airport (SFG)In a straight line; by road it is further

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

October from 2020 to 2025

In October 2025 the sea averaged 29.5 °C — 0.7 °C above the 1991–2020 average.

Sea temperature 2025: +0.7 °C

1991–2020 average: 28.8 °C

Air, daytime high 2025: +0.7 °C

1991–2020 average: 28.7 °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 seaSeptember and October29 °C
Most sunshineMarch and April9 h of sun a day
Least rainFebruary and March12 mm in the month

The year at a glance

  1. Jan26°8 h20 mm
  2. Feb26°9 h12 mm
  3. Mar26°9 h16 mm
  4. Apr27°9 h26 mm
  5. May27°9 h63 mm
  6. Jun28°9 h42 mm
  7. Jul28°9 h54 mm
  8. Aug29°9 h66 mm
  9. Sep29°9 h90 mm
  10. Oct29°8 h108 mm
  11. Nov28°8 h78 mm
  12. Dec27°8 h40 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
26°27°28°29°JanFebMarAprMayJunJulAugSepOctNovDecJan: 26°Feb: 26°Mar: 26°Apr: 27°May: 27°Jun: 28°Jul: 28°Aug: 29°Sep: 29°Oct: 29°Nov: 28°Dec: 27°29°26°
8°C20°C32°C

Climate through the year

1991–2020 averages
26°28°JanFebMarAprMayJunJulAugSepOctNovDecJan: 26 °C (High 26° / Low 25°)Feb: 26 °C (High 26° / Low 25°)Mar: 26 °C (High 26° / Low 25°)Apr: 26 °C (High 27° / Low 26°)May: 27 °C (High 28° / Low 27°)Jun: 28 °C (High 28° / Low 27°)Jul: 28 °C (High 28° / Low 28°)Aug: 28 °C (High 29° / Low 28°)Sep: 28 °C (High 29° / Low 28°)Oct: 28 °C (High 29° / Low 28°)Nov: 28 °C (High 28° / Low 27°)Dec: 27 °C (High 27° / Low 26°)28°26°
AverageLow – High
8°C20°C32°C

Rain

0 mm50 mm100 mmJanFebMarAprMayJunJulAugSepOctNovDecJan: 20 mmFeb: 12 mm12Mar: 16 mmApr: 26 mmMay: 63 mmJun: 42 mmJul: 54 mmAug: 66 mmSep: 90 mmOct: 108 mm108Nov: 78 mmDec: 40 mm

Sunshine

0 h5 h10 hJanFebMarAprMayJunJulAugSepOctNovDecJan: 8.2 hFeb: 8.9 hMar: 9.3 hApr: 9.4 h9.4May: 8.8 hJun: 8.9 hJul: 9.0 hAug: 9.0 hSep: 8.6 hOct: 7.9 hNov: 7.5 h7.5Dec: 7.7 h

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

Month by month

1991–2020 averages

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

Every month at Coralita Beach: air, sea, rain and sunshine. Averages for 1991–2020.
MonthHigh°CLow°CSea°CRainmmRainy daysdaysSunshineh/dayWindkm/h
January2625262058.225
February2625261248.925
March2625261649.323
April2726272669.422
May28272763128.823
June28272842108.924
July28282854139.026
August29282966149.024
Septemberwarmest sea29282990188.619
October292829108157.920
November28272878147.521
December2726274097.725

Swipe sideways to see the other columns.

Photos

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

Coralita Beach: View of Orient Beach St. Martin (1253513025)
Photo: Serge Melki from Indianapolis, USA · Wikimedia Commons · CC BY 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 POWER14 km away
Sea temperatureNOAA OISST v2.1, 1991–202014 km away
2020–2025, month by monthNASA POWER · NOAA OISST v2.114 km away
Lifeguards and places to stayOpenStreetMapwithin 1–5 km
Nearest airportOurAirportsstraight-line distance
Image at the topSentinel-2 cloudless (EOX)at this spot

See every data source →