Monthly climate averages for Rincón, Puerto Rico. Based on 10-year ERA5 reanalysis data.
BSh Hot Semi-Arid
Climate OverviewRincón, Puerto Rico in May has hot conditions, with highs reaching 29.6°C (85°F) and afternoons the warmest part of the day. Rain falls on about 13 days this month. Sea temperature reaches 29.1°C (84°F).
This month falls at the end of Spring.
Temperatures remain fairly steady throughout May, with daily highs around 29°C (84°F).
Rainfall is heaviest during the last third of the month, while the middle tends to be drier.
The warmest days tend to fall around the 16th, averaging 29.9°C (86°F).
Daily averages based on historical data (2016–2025)
Daytime temperatures around 30°C (85°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 May have stayed close to the long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 24°C | 31°C / 25°C | 4days (16 mm) Good | 10.3h Excellent | 74% Muggy | 6.5 High | Excellent | View Details |
| February best | 28°C / 23°C | 31°C / 25°C | 6days (21 mm) Good | 10.6h Excellent | 74% Muggy | 7.3 Very High | Excellent | View Details |
| March best | 28°C / 24°C | 32°C / 25°C | 9days (29 mm) Wet | 11h Excellent | 74% Muggy | 8.2 Very High | Excellent | View Details |
| April | 29°C / 24°C | 33°C / 26°C | 12days (42 mm) Wet | 11.3h Excellent | 75% Muggy | 8.5 Very High | Fair | View Details |
| May | 30°C / 25°C | 35°C / 28°C | 13days (57 mm) Wet | 11.6h Excellent | 77% Humid | 8.3 Very High | Fair | View Details |
| June | 30°C / 26°C | 36°C / 29°C | 12days (43 mm) Wet | 12h Excellent | 76% Humid | 8.4 Very High | Poor | View Details |
| July | 31°C / 26°C | 37°C / 30°C | 15days (58 mm) Wet | 11.8h Excellent | 77% Humid | 8.3 Very High | Poor | View Details |
| August | 31°C / 26°C | 37°C / 30°C | 15days (75 mm) Wet | 11.1h Excellent | 78% Humid | 8.4 Very High | Poor | View Details |
| September | 30°C / 27°C | 36°C / 30°C | 17days (123 mm) Wet | 10.5h Excellent | 79% Humid | 8.3 Very High | Poor | View Details |
| October | 30°C / 26°C | 35°C / 30°C | 15days (73 mm) Wet | 10h Excellent | 79% Humid | 7.4 Very High | Poor | View Details |
| November | 29°C / 25°C | 33°C / 28°C | 12days (73 mm) Wet | 9.8h Good | 79% Humid | 6.6 High | Fair | View Details |
| December best | 28°C / 24°C | 32°C / 26°C | 4days (16 mm) Good | 10.2h Excellent | 76% Humid | 6.1 High | Excellent | 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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