Climate averages 1991–2020
Ponce weather
in August.
A hot, moderately wet month: the 2nd 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 Ponce: daytime highs average 30.5°C and nights cool to about 24.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 77 mm of rain on roughly 15 days, which makes August a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 44 min on an average August day.
The nearest other city in this atlas is Arecibo (52 km away). In August its highs average 31.7°C, 1.2°C warmer than Ponce, with 101 mm of rain.
Among the 7 cities listed in Puerto Rico, Ponce ranks 6th of 7 for the warmest August highs and 2nd of 7 for the driest August (rainfall, lowest first). The mean August high of those 7 cities is 31.1°C; Ponce is 0.6°C cooler than that mean.
From August to September, average highs fall by 0.8°C to 29.7°C, and monthly rainfall rises from 77 mm to 124 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
Ponce climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.0°C21.8°C | 21.8°C | 22 | 7.0 | 11.211 h |
| February | 28.4°C21.6°C | 21.6°C | 22 | 6.5 | 11.512 h |
| March | 28.7°C21.8°C | 21.8°C | 36 | 8.8 | 12.012 h |
| April | 28.8°C22.5°C | 22.5°C | 54 | 11.8 | 12.513 h |
| May | 29.0°C23.5°C | 23.5°C | 86 | 15.6 | 13.013 h |
| June | 29.9°C24.3°C | 24.3°C | 48 | 12.6 | 13.213 h |
| July | 30.6°C24.6°C | 24.6°C | 55 | 11.7 | 13.113 h |
| August, selected | 30.5°C24.8°C | 24.8°C | 77 | 15.4 | 12.713 h |
| September | 29.7°C24.5°C | 24.5°C | 124 | 18.9 | 12.312 h |
| October | 29.0°C24.0°C | 24.0°C | 105 | 19.4 | 11.712 h |
| November | 28.3°C23.2°C | 23.2°C | 76 | 14.4 | 11.311 h |
| December | 28.0°C22.3°C | 22.3°C | 28 | 7.5 | 11.111 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
- Arecibo in AugustPuerto Rico · 52 kmHigh 31.7°C · Low 24.7°C · 101 mm rain
- Mayagüez in AugustPuerto Rico · 58 kmHigh 31.3°C · Low 25.8°C · 67 mm rain
- Bayamón in AugustPuerto Rico · 66 kmHigh 31.6°C · Low 24.8°C · 79 mm rain
- Caguas in AugustPuerto Rico · 66 kmHigh 30.3°C · Low 24.8°C · 127 mm rain
- San Juan in AugustPuerto Rico · 75 kmHigh 31.5°C · Low 24.7°C · 95 mm rain
- Carolina in AugustPuerto Rico · 82 kmHigh 31.1°C · Low 24.9°C · 95 mm rain
- Punta Cana in AugustDominican Republic · 198 kmHigh 28.9°C · Low 26.1°C · 105 mm rain
- Salvaleón de Higüey in AugustDominican Republic · 230 kmHigh 30.3°C · Low 24.5°C · 88 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 Ponce) is explained once on the Ponce year overview and on the Sources, method and limits page.