Climate Overview
The climate in Isla Bastimentos is hot. The average annual temperature is 26°C and approximately 3492mm of precipitation falls per year. Isla Bastimentos receives a notable amount of rainfall throughout the year, including during its driest month. Isla Bastimentos sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Isla Bastimentos has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 27°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
Isla Bastimentos is a very wet location, receiving approximately 3492mm of precipitation annually, which averages out to around 291mm per month. The wettest month is November, averaging 510mm of rainfall. July and December also tend to see above-average precipitation. The driest month is March, with just 157mm. That's 353mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Isla Bastimentos is mildly breezy, with an average annual wind speed of 15km/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 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 14km/h in spring, 15km/h in summer, 14km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Isla Bastimentos, which began on March 20, 2026. Isla Bastimentos sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 28°C, while the coldest stretch bottoms out in February near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 602mm across the season with a monthly average of 201mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1028mm across the season with a monthly average of 343mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1084mm across the season with a monthly average of 361mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 778mm across the season with a monthly average of 259mm. Winds are moderate at around 17km/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 Isla Bastimentos 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.
