Puerto Rico weather in May - temperature, rain and is it a good time to visit?

Daytime
31°
Night
24°
☀️ Day length
12 h 59 min
Chance of rain
42%
Thunder days
9%
Humid days
100%
WEATHER THROUGH THE YEARPuerto Rico - May vs the year29°23°29°23°29°23°30°24°31°24°32°26°32°26°32°26°32°26°32°26°30°24°29°24°CHANCE OF RAIN (%)343630354233394440404942JanFebMarAprMayJunJulAugSepOctNovDecWARMESTJun (32°)COLDESTJan (29°)DRIESTMar (30%)WETTESTNov (49%)world-prices.com · 2026-07-08 · ★ best months
In May, Puerto Rico averages about 31° during the day and 24° at night. There's a moderate chance of rain (about 42%).

Puerto Rico weather all year - average temperatures and rain

MonthDayNightChance of rain
January ★ 29℃23℃34%
February ★ 29℃23℃36%
March ★ 29℃23℃30%
April ★ 30℃24℃35%
May 31℃24℃42%
June 32℃26℃33%
July 32℃26℃39%
August 32℃26℃44%
September 32℃26℃40%
October 32℃26℃40%
November 30℃24℃49%
December ★ 29℃24℃42%
★ - months most often recommended for travel

Where is it warmest in Puerto Rico in May? Weather by city

PlaceDayNight🌊 SeaChance of rain
Mayagueez 32℃27℃30℃36%
San Juan 31℃24℃28℃54%
Carolina 31℃24℃28℃50%
Caguas 31℃24℃-52%
Ponce 30℃23℃29℃20%
Travelling soon? Check the live 14-day weather forecast for Puerto Rico.

Puerto Rico weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember