Temperature in Puerto Rico in May

Daytime highs, nighttime lows and the warmest cities across Puerto Rico this May.

Puerto Rico, experiences maximum daytime temperatures in May ranging from 27°C (81°F) in Adjuntas to 30°C (86°F) in Dorado. Nighttime temperatures generally drop to 24°C (75°F) in Dorado and 19°C (66°F) in Adjuntas.

What is the temperature of the different cities in Puerto Rico in May?

Find the average daytime temperatures in May for the most popular destinations in Puerto Rico on the map below. Click on a destination dot for more detailed information.

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For a detailed overview over the year and the best time to visit Puerto Rico, check out our Puerto Rico's climate page.

See also: the Puerto Rico weather by month.

Best Places to Visit in Puerto Rico in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Puerto Rico.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in May: blue is cold, red is hot.

Puerto Rico temperatures in May: frequently asked questions

How hot does it get in Puerto Rico in May?

Expect daytime temperatures around 30°C (86°F) in San Juan. That makes May a very high month for Puerto Rico.

How cold does it get at night in Puerto Rico in May?

After dark, San Juan cools to about 24°C (75°F) on an average May night.

What is the warmest city in May in Puerto Rico?

According to our recent database analysis, Dorado is the warmest city. It experiences an average maximum daytime temperature of approximately 30°C (86°F) and rarely drops below 24°C (75°F) during the night.

What is the coldest city in May in Puerto Rico?

For the month of May, Adjuntas is the most temperate city in Puerto Rico based on our records. Highs average 27°C (81°F) and nighttime temperatures dip to around 19°C (66°F).

How much sun does Puerto Rico get in May?

San Juan enjoys close to 255 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

What is the water temperature in May?

The water temperature averages approximately 27°C (81°F) in San Juan this month, an ideal temperature for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in Puerto Rico.

Weather and climate has detailed information for every country in the world. Are you going to Puerto Rico? Get detailed historical weather averages for many cities in Puerto Rico.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.