Climate Insights for Las Terrenas

The climate in Las Terrenas is hot. The average annual temperature is 26°C and approximately 1138mm of precipitation falls per year. Las Terrenas receives a notable amount of rainfall throughout the year, including during its driest month. Las Terrenas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are March, February, January, when temperatures can drop to 24°C.

Las Terrenas has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 28°C. March is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Las Terrenas is a moderately rainy area, receiving approximately 1138mm of precipitation annually, which averages out to around 95mm per month. The wettest month is November, averaging 167mm of rainfall. September and October also tend to see above-average precipitation. The driest month is June, with just 49mm. That's 118mm 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.

Las Terrenas is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Las Terrenas, which began on June 21, 2026. Las Terrenas 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 March near 24°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Las Terrenas is during March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 85mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 29°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Las Terrenas 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.