Climate averages 1991–2020
San Juan de la Maguana weather
in August.
A hot, wet month: one of the warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in San Juan de la Maguana: daytime highs average 30.2°C and nights cool to about 21.5°C. By daytime temperature it is one of the warmest months of the year.
Expect about 103 mm of rain on roughly 18 days, which makes August a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 46 min on an average August day.
The nearest other city in this atlas is Santa Cruz de Barahona (68 km away). In August its highs average 30.5°C, about as warm as San Juan de la Maguana, with 85 mm of rain.
Among the 14 cities listed in the Dominican Republic, San Juan de la Maguana ranks joint 10th of 14 for the warmest August highs and 8th of 14 for the driest August (rainfall, lowest first). The mean August high of those 14 cities is 30.7°C; San Juan de la Maguana is 0.5°C cooler than that mean.
From August to September, average highs fall by 0.6°C to 29.5°C, and monthly rainfall rises from 103 mm to 111 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Juan de la Maguana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.1°C18.0°C | 18.0°C | 14 | 3.8 | 11.111 h |
| February | 28.4°C18.6°C | 18.6°C | 26 | 6.3 | 11.512 h |
| March | 28.4°C19.5°C | 19.5°C | 71 | 12.5 | 12.012 h |
| April | 28.6°C20.5°C | 20.5°C | 101 | 16.7 | 12.613 h |
| May | 28.4°C21.1°C | 21.1°C | 122 | 19.6 | 13.013 h |
| June | 29.2°C21.3°C | 21.3°C | 74 | 16.7 | 13.213 h |
| July | 30.2°C21.3°C | 21.3°C | 62 | 15.9 | 13.113 h |
| August, selected | 30.2°C21.5°C | 21.5°C | 103 | 18.4 | 12.813 h |
| September | 29.5°C21.2°C | 21.2°C | 111 | 20.2 | 12.312 h |
| October | 28.8°C20.8°C | 20.8°C | 104 | 18.2 | 11.712 h |
| November | 28.2°C19.7°C | 19.7°C | 59 | 11.3 | 11.311 h |
| December | 28.0°C18.3°C | 18.3°C | 18 | 4.3 | 11.011 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Santa Cruz de Barahona in AugustDominican Republic · 68 kmHigh 30.5°C · Low 24.2°C · 85 mm rain
- La Vega in AugustDominican Republic · 86 kmHigh 31.7°C · Low 22.4°C · 50 mm rain
- Bonao in AugustDominican Republic · 87 kmHigh 30.4°C · Low 22.5°C · 125 mm rain
- Santiago de los Caballeros in AugustDominican Republic · 91 kmHigh 33.0°C · Low 23.1°C · 52 mm rain
- Croix-des-Bouquets in AugustHaiti · 108 kmHigh 33.3°C · Low 25.7°C · 193 mm rain
- San Francisco de Macorís in AugustDominican Republic · 116 kmHigh 31.7°C · Low 22.4°C · 78 mm rain
- Pétionville in AugustHaiti · 116 kmHigh 30.5°C · Low 23.2°C · 193 mm rain
- Cité Soleil in AugustHaiti · 120 kmHigh 33.4°C · Low 25.7°C · 193 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Juan de la Maguana) is explained once on the San Juan de la Maguana year overview and on the Sources, method and limits page.