Climate averages 1991–2020
San Juan de la Maguana weather
in May.
A hot, wet month: the joint 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in San Juan de la Maguana: daytime highs average 28.4°C and nights cool to about 21.1°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 122 mm of rain on roughly 20 days, which makes May a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 01 min on an average May day.
The nearest other city in this atlas is Santa Cruz de Barahona (68 km away). In May its highs average 29.2°C, 0.8°C warmer than San Juan de la Maguana, with 75 mm of rain.
Among the 14 cities listed in the Dominican Republic, San Juan de la Maguana ranks 13th of 14 for the warmest May highs and 13th of 14 for the driest May (rainfall, lowest first). The mean May high of those 14 cities is 29.4°C; San Juan de la Maguana is 1.0°C cooler than that mean.
From May to June, average highs rise by 0.7°C to 29.2°C, and monthly rainfall falls from 122 mm to 74 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Santa Cruz de Barahona in MayDominican Republic · 68 kmHigh 29.2°C · Low 23.1°C · 75 mm rain
- La Vega in MayDominican Republic · 86 kmHigh 29.9°C · Low 21.2°C · 98 mm rain
- Bonao in MayDominican Republic · 87 kmHigh 29.0°C · Low 21.4°C · 253 mm rain
- Santiago de los Caballeros in MayDominican Republic · 91 kmHigh 30.8°C · Low 21.5°C · 99 mm rain
- Croix-des-Bouquets in MayHaiti · 108 kmHigh 31.1°C · Low 24.2°C · 240 mm rain
- San Francisco de Macorís in MayDominican Republic · 116 kmHigh 30.5°C · Low 21.3°C · 84 mm rain
- Pétionville in MayHaiti · 116 kmHigh 28.8°C · Low 22.1°C · 240 mm rain
- Cité Soleil in MayHaiti · 120 kmHigh 31.3°C · Low 24.3°C · 240 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.