Puerto Rico weather

Our guide to the weather in Puerto Rico during March

27

Average high

6

UV Index

84mm

Monthly rainfall

26

Sea temperature

We've looked at the most up-to-date weather data for Puerto Rico, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Puerto Rico weather in March.

How warm is it in Puerto Rico during March?

The temperature reaches around 27℃ during the daytime in March, falling away to 22℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Puerto Rico during March?

On average, there will be 5 rainy days during the month, amounting to 84.2mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. You're not likely to see a thunderstorm during your trip.

Is it windy in Puerto Rico during March?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during March. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Puerto Rico during March?

The water around Puerto Rico reaches a very pleasant 26℃ during March. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Weather in Puerto Rico

Our month-by-month guide to the weather and climate in Puerto Rico

26.9

Puerto Rico weather in

January
26.9

Puerto Rico weather in

February
27.0

Puerto Rico weather in

March
27.8

Puerto Rico weather in

April
28.6

Puerto Rico weather in

May
29.3

Puerto Rico weather in

June
29.5

Puerto Rico weather in

July
29.9

Puerto Rico weather in

August
29.9

Puerto Rico weather in

September
29.6

Puerto Rico weather in

October
28.4

Puerto Rico weather in

November
27.4

Puerto Rico weather in

December