ClimateForecastDecemberJanuary >>

Island Harbour Climate by Month

Island Harbour has relatively stable weather with warm temperatures. It receives mid-range precipitation levels. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Island Harbour temperatures are generally consistent throughout the year. Average daytime temperatures range from a comfortable 30°C in August, the warmest time of the year, to a comfortable 27°C during cooler months like February. At night, temperatures typically average around 24°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Island Harbour receives a reasonable amount of rainfall, with an annual precipitation of 919 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, October receives high rainfall, averaging 141 mm of precipitation, recorded across 20 rainy days. In contrast, the drier season, March brings less rainfall, with 33 mm over 13 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Year-round, Island Harbour offers plenty of sunlight to enjoy during your holiday. The difference between the sunniest month, August, with 9.5 hours of daily sunshine, and September, the least sunny month, with 7.7 hours, is minimal.

Monthly hours of sunshine

Data from: Sint Maarten, Sint Maarten (25 KM, 16 Miles).

Daily hours of sunshine

Data from: Sint Maarten, Sint Maarten (25 KM, 16 Miles).

The best time of year to visit Island Harbour in Anguilla

The best time to visit is during the drier months: January, February, March and April.

Other facts from our historical weather data:
  • Which is the warmest month in Island Harbour?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Island Harbour?
    The coldest month is February with an average maximum temperature of 27°C.
  • Which is the wettest month in Island Harbour?
    October tops the wettest month list with 141 mm of rainfall.
  • Which is the driest month in Island Harbour?
    March is the driest month with 33 mm of precipitation.
  • Which is the sunniest month in Island Harbour?
    August is the sunniest month with an average of 285 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Island Harbour

    Fri   Dec 13
    28°C | 24°C
    NE 11 km/h
    almost clear and no rain

    almost clear and no rain

    Sat   Dec 14
    29°C | 25°C
    SE 18 km/h
    3.1 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Sun   Dec 15
    28°C | 25°C
    SE 18 km/h
    4.1 mm
    partly cloudy and rain

    partly cloudy and rain