Weekly note
Puerto Rico
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Photo by Godot13, CC BY-SA 4.0, via Wikimedia Commons.

The numbers

Daily high30°C
Nightly low24°C
Feels like, afternoon33°C
Rainy days, 1 mm or more4 · 76 mm
Humidity75%
Sunshine11.9 h/day
Daylight13.0 h/day
Crowds100 / 100, higher is quieter

Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.

Weather read at Condado, in San Juan, 8 km from the airport (SJU): ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.

How busy it gets

May: quiet. Busiest in January; quietest in May.

Public holidays in May

Holidays crowd a place out and push fares up around them; they count toward the crowd score above.

Puerto Rico in pictures

What to pack

  • Summer clothes by day, highs around 30°C.
  • Sun protection: about 12 hours of sunshine a day.
  • Humidity averages 75%; breathable fabrics dry faster.

Each line is a threshold over the ten-year figures above, not advice from anywhere else.

Before you go

Cost of livingmoderate — prices run about 78% of the United States' (World Bank, 2025)
CurrencyUnited states dollar
LanguagesSpanish, English
PlugsType A and B, 120 V
DrivingOn the right
Calling code+1787
Travel advice No advice against travel — UK Foreign Office, updated 2026-08-18
HealthUK Foreign Office health advice

Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-10-07. The advisory is written for British travellers; entry rules depend on your passport.

On arrival in Puerto Rico: the apps, paying, getting around, tipping and the emergency numbers.

May elsewhere

In May from

The other months at Puerto Rico

← April · All twelve months at Puerto Rico · June →

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