Monthly climate averages for Caguas, Puerto Rico. Based on 10-year ERA5 reanalysis data.
Am Tropical Monsoon
Climate OverviewCaguas, Puerto Rico in April has hot conditions, with highs reaching 28.9°C (84°F) and afternoons the warmest part of the day. Rain falls on about 19 days this month, totalling around 109 mm.
This month falls at the middle of Spring.
Temperatures remain fairly steady throughout April, with daily highs around 29°C (84°F).
Rainfall is heaviest during the last third of the month, while the first third tends to be drier.
The warmest days tend to fall around the 25th, averaging 29.2°C (85°F).
Compared to March, this month is about 1°C warmer with 2 more rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 29°C (84°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.
Recent yearly records for April have stayed close to the long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 22°C | 31°C / 25°C | 16days (44 mm) Wet | 10.4h Excellent | 83% Humid | 6.3 High | Good | View Details |
| February best | 28°C / 22°C | 31°C / 25°C | 15days (54 mm) Wet | 10.7h Excellent | 82% Humid | 7.4 Very High | Good | View Details |
| March best | 28°C / 22°C | 32°C / 25°C | 17days (59 mm) Wet | 10.9h Excellent | 80% Humid | 8.5 Very High | Fair | View Details |
| April | 29°C / 23°C | 33°C / 26°C | 19days (109 mm) Wet | 11.3h Excellent | 81% Humid | 8.3 Very High | Wet | View Details |
| May | 30°C / 24°C | 35°C / 28°C | 21days (116 mm) Wet | 11.5h Excellent | 83% Humid | 8.6 Very High | Wet | View Details |
| June | 30°C / 25°C | 35°C / 29°C | 20days (88 mm) Wet | 12h Excellent | 83% Humid | 8.5 Very High | Wet | View Details |
| July | 30°C / 25°C | 36°C / 30°C | 22days (113 mm) Wet | 11.7h Excellent | 83% Humid | 8.5 Very High | Wet | View Details |
| August | 31°C / 25°C | 36°C / 30°C | 23days (127 mm) Wet | 11.1h Excellent | 85% Humid | 8.7 Very High | Wet | View Details |
| September | 30°C / 25°C | 37°C / 30°C | 26days (194 mm) Wet | 10.5h Excellent | 86% Very Muggy | 8.4 Very High | Wet | View Details |
| October | 30°C / 25°C | 36°C / 30°C | 26days (172 mm) Wet | 9.9h Good | 87% Very Muggy | 7.5 Very High | Wet | View Details |
| November | 29°C / 24°C | 34°C / 28°C | 22days (139 mm) Wet | 9.6h Good | 87% Very Muggy | 6.5 High | Wet | View Details |
| December best | 28°C / 23°C | 31°C / 26°C | 18days (53 mm) Wet | 10.2h Excellent | 85% Humid | 6.1 High | Wet | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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