Climate Overview
The climate in Speightstown is hot. The average annual temperature is 27°C and approximately 1036mm of precipitation falls per year. October is the wettest month, receiving around 166mm of rainfall. Speightstown is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, October, August. The coldest months are February, January, March, when temperatures can drop to 25°C.
Temperature
Speightstown has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Speightstown is a moderately rainy area, receiving approximately 1036mm of precipitation annually, which averages out to around 86mm per month. The wettest month is October, averaging 166mm of rainfall. August and September also tend to see above-average precipitation. The driest month is March, with just 27mm. That's 140mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Speightstown is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Speightstown, which began on September 23, 2026. Speightstown 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 September at around 29°C, while the coldest stretch bottoms out in February near 25°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 25 to 27°C. Rainfall is relatively light, with around 106mm over the season and a monthly average of 35mm. Winds are strong, averaging 27km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 369mm across the season with a monthly average of 123mm. Winds are strong, averaging 26km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 436mm across the season with a monthly average of 145mm. Winds are moderate at around 22km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 27°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are strong, averaging 28km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Speightstown 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.
