Puerto Rico

Puerto Rico Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Puerto Rico in May.

Thinking about venturing to Puerto Rico this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Puerto Rico in May

May in Puerto Rico generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum daytime temperatures vary from warm in Adjuntas at 27°C (81°F) to very warm in Dorado at 30°C (86°F). Nighttime temperatures generally drop to 24°C (75°F) in Dorado and 19°C (66°F) in Adjuntas. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To learn more about the conditions in specific areas of Puerto Rico, check out the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in El Combate with an average of 63 mm (2.5 in) to heavy rainfall in Utuado with 177 mm (7 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. San Juan typically receives 255 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Puerto Rico 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.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Puerto Rico

What is the weather like in May for some of the most popular destinations in Puerto Rico?

Temperature range in Puerto Rico (May)

Precipitation variation in Puerto Rico (May)

San Juan

In May San Juan generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
30°C (86°F)
30°C (86°F)
31°C (88°F)
Min temperature
23°C (73°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
268 hours
255 hours
259 hours
Monthly rainfall
91 mm (3.6 in)
134 mm (5.3 in)
92 mm (3.6 in)
Monthly rainy days
14 days
16 days
17 days
Weather conditions

Rincon

In May Rincon generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
28°C (82°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly rainfall
45 mm (1.8 in)
81 mm (3.2 in)
61 mm (2.4 in)
Monthly rainy days
13 days
15 days
15 days
Weather conditions

Vieques

In May Vieques generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
268 hours
255 hours
259 hours
Monthly rainfall
63 mm (2.5 in)
112 mm (4.4 in)
100 mm (3.9 in)
Monthly rainy days
14 days
16 days
16 days
Weather conditions

Culebra

In May Culebra generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
54 mm (2.1 in)
98 mm (3.9 in)
82 mm (3.2 in)
Monthly rainy days
14 days
16 days
16 days
Weather conditions

Fajardo

In May Fajardo generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
28°C (82°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
268 hours
255 hours
259 hours
Monthly rainfall
85 mm (3.3 in)
132 mm (5.2 in)
112 mm (4.4 in)
Monthly rainy days
14 days
16 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Puerto Rico.

Popular cities in May

Day & night temperatures, rainfall and average weather in Puerto Rico in May.

City Weather Day temp Night temp Rainfall
San Juan 30°C (86°F) 24°C (75°F) 134 mm (5.3 in)
Rincon 29°C (84°F) 25°C (77°F) 81 mm (3.2 in)
Vieques 28°C (82°F) 26°C (79°F) 112 mm (4.4 in)
Luquillo 29°C (84°F) 25°C (77°F) 129 mm (5.1 in)
La Parguera 29°C (84°F) 25°C (77°F) 82 mm (3.2 in)
Ponce 29°C (84°F) 23°C (73°F) 103 mm (4.1 in)

Puerto Rico weather in May: frequently asked questions

What is the weather like in Puerto Rico in May?

In May, Puerto Rico generally has unpleasant weather conditions. San Juan sees daytime temperatures near 30°C (86°F), with nights cooling to roughly 24°C (75°F).

What is the average temperature in Puerto Rico in May?

San Juan averages a daytime maximum of 30°C (86°F) in May, with overnight lows close to 24°C (75°F).

Does Puerto Rico get a lot of rain in May?

Yes, May tends to be a wetter month in Puerto Rico. Average rainfall in San Juan sits around 134 mm (5.3 in).

Is May a Good Time to Visit Puerto Rico?

Given the typically tolerable weather conditions in San Juan, May may not be the ideal time to visit Puerto Rico.

On average, the best time to visit Puerto Rico is in January, February, March and December with generally perfect weather in San Juan. In contrast, May, July, August, September, October and November tend to have unpleasant weather conditions.

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.