Climate averages 1991–2020
San Juan de la Maguana weather
in December.
A hot, fairly dry month: the coolest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in San Juan de la Maguana: daytime highs average 28.0°C and nights cool to about 18.3°C. By daytime temperature it is the coolest month of the year.
Expect about 18 mm of rain on roughly 4 days, which makes December a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 01 min on an average December day.
The nearest other city in this atlas is Santa Cruz de Barahona (68 km away). In December its highs average 28.1°C, about as warm as San Juan de la Maguana, with 19 mm of rain.
Among the 14 cities listed in the Dominican Republic, San Juan de la Maguana ranks 4th of 14 for the warmest December highs and 1st of 14 for the driest December (rainfall, lowest first). The mean December high of those 14 cities is 27.7°C; San Juan de la Maguana is 0.3°C warmer than that mean.
From December to January, average highs rise by 0.1°C to 28.1°C, and monthly rainfall falls from 18 mm to 14 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Santa Cruz de Barahona in DecemberDominican Republic · 68 kmHigh 28.1°C · Low 22.0°C · 19 mm rain
- La Vega in DecemberDominican Republic · 86 kmHigh 27.3°C · Low 19.3°C · 47 mm rain
- Bonao in DecemberDominican Republic · 87 kmHigh 26.8°C · Low 19.5°C · 73 mm rain
- Santiago de los Caballeros in DecemberDominican Republic · 91 kmHigh 27.8°C · Low 19.7°C · 37 mm rain
- Croix-des-Bouquets in DecemberHaiti · 108 kmHigh 30.1°C · Low 21.7°C · 36 mm rain
- San Francisco de Macorís in DecemberDominican Republic · 116 kmHigh 27.6°C · Low 19.4°C · 44 mm rain
- Pétionville in DecemberHaiti · 116 kmHigh 27.8°C · Low 19.6°C · 36 mm rain
- Cité Soleil in DecemberHaiti · 120 kmHigh 30.3°C · Low 21.5°C · 36 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.