Climate averages 1991–2020
Caguas weather
in August.
A hot, wet month: 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 Caguas: daytime highs average 30.3°C and nights cool to about 24.8°C. By daytime temperature it is the warmest month of the year.
Expect about 127 mm of rain on roughly 24 days, which makes August a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 45 min on an average August day.
The nearest other city in this atlas is Carolina (19 km away). In August its highs average 31.1°C, 0.8°C warmer than Caguas, with 95 mm of rain.
Among the 7 cities listed in Puerto Rico, Caguas ranks 7th of 7 for the warmest August highs and 7th of 7 for the driest August (rainfall, lowest first). The mean August high of those 7 cities is 31.1°C; Caguas is 0.8°C cooler than that mean.
From August to September, average highs fall by 0.2°C to 30.1°C, and monthly rainfall rises from 127 mm to 168 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
Caguas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.1°C21.7°C | 21.7°C | 49 | 15.7 | 11.211 h |
| February | 27.5°C21.5°C | 21.5°C | 39 | 13.1 | 11.512 h |
| March | 28.2°C21.6°C | 21.6°C | 55 | 14.8 | 12.012 h |
| April | 28.9°C22.4°C | 22.4°C | 86 | 17.7 | 12.513 h |
| May | 29.3°C23.5°C | 23.5°C | 141 | 21.9 | 13.013 h |
| June | 29.9°C24.4°C | 24.4°C | 99 | 20.8 | 13.213 h |
| July | 30.2°C24.6°C | 24.6°C | 110 | 21.7 | 13.113 h |
| August, selected | 30.3°C24.8°C | 24.8°C | 127 | 23.9 | 12.713 h |
| September | 30.1°C24.6°C | 24.6°C | 168 | 25.2 | 12.312 h |
| October | 29.5°C24.2°C | 24.2°C | 156 | 24.9 | 11.712 h |
| November | 28.4°C23.3°C | 23.3°C | 124 | 22.3 | 11.311 h |
| December | 27.4°C22.4°C | 22.4°C | 58 | 16.5 | 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
- Carolina in AugustPuerto Rico · 19 kmHigh 31.1°C · Low 24.9°C · 95 mm rain
- Bayamón in AugustPuerto Rico · 22 kmHigh 31.6°C · Low 24.8°C · 79 mm rain
- San Juan in AugustPuerto Rico · 27 kmHigh 31.5°C · Low 24.7°C · 95 mm rain
- Ponce in AugustPuerto Rico · 66 kmHigh 30.5°C · Low 24.8°C · 77 mm rain
- Arecibo in AugustPuerto Rico · 75 kmHigh 31.7°C · Low 24.7°C · 101 mm rain
- Mayagüez in AugustPuerto Rico · 115 kmHigh 31.3°C · Low 25.8°C · 67 mm rain
- Punta Cana in AugustDominican Republic · 252 kmHigh 28.9°C · Low 26.1°C · 105 mm rain
- Salvaleón de Higüey in AugustDominican Republic · 284 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 Caguas) is explained once on the Caguas year overview and on the Sources, method and limits page.