Climate Insights for Marsh Harbour

The climate in Marsh Harbour is warm and mild. The average annual temperature is 25°C and approximately 1155mm of precipitation falls per year. Marsh Harbour receives a notable amount of rainfall throughout the year, including during its driest month. Marsh Harbour is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, March, February, when temperatures can drop to 21°C.

Marsh Harbour has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Marsh Harbour is a moderately rainy area, receiving approximately 1155mm of precipitation annually, which averages out to around 96mm per month. The wettest month is September, averaging 192mm of rainfall. October and August also tend to see above-average precipitation. The driest month is March, with just 49mm. That's 143mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Marsh Harbour is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Marsh Harbour, which began on June 21, 2026. Marsh Harbour is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 29°C, while the coldest stretch bottoms out in January near 21°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Marsh Harbour is during February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 60mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to 21°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Marsh Harbour based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.