Climate Overview
The climate in San Juan de la Maguana is warm and mild. The average annual temperature is 22°C and approximately 919mm of precipitation falls per year. October is the wettest month, receiving around 126mm of rainfall. San Juan de la Maguana is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are January, February, December, when temperatures can drop to 16°C.
Temperature
San Juan de la Maguana sees moderate temperature variation throughout the year, ranging from 16°C to 29°C. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 16°C and an average of 21°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
San Juan de la Maguana is a moderately rainy area, receiving approximately 919mm of precipitation annually, which averages out to around 77mm per month. The wettest month is October, averaging 126mm of rainfall. April and September also tend to see above-average precipitation. The driest month is January, with just 15mm. That's 111mm 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
San Juan de la Maguana is relatively calm, with an average annual wind speed of 4km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, 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 1km/h between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in San Juan de la Maguana, which began on June 21, 2026. San Juan de la Maguana 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 16°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 17 to 27°C. Precipitation is moderate at around 301mm for the season, averaging 100mm per month. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 20 to 29°C. Precipitation is moderate at around 234mm for the season, averaging 78mm per month. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 18 to 28°C. Rainfall is heavy, totalling around 322mm across the season with a monthly average of 107mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 16 to 26°C. Rainfall is relatively light, with around 62mm over the season and a monthly average of 21mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit San Juan de la Maguana is during January, February, March, June, July, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 50mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for San Juan de la Maguana 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.
