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Weather in Puerto Rico in July – is it worth traveling to?

Is the weather good for travel in July? Find out what the weather is like in Puerto Rico to plan your trip accordingly.
Check flight prices to Puerto Rico on Avionero:
July

Is the weather good in Puerto Rico in July 2024?

OK Weather
Warm
☁️
Cloudy

For the past few decades, the average daily temperatures in Puerto Rico during July have been around +31°C.

In Puerto Rico the temperature rarely varies more than seven degrees between the different parts with the highest temperature +31°C in San Juan to +31°C in San Juan. So you should be able to pack for similar conditions wherever you go in the country.

Temperature, wind and humidity in July

Average
San Juan
☀️
+31°C
Avg. max. temperature
+23°C
Min.
+35°C
Max.
80 mm
Total precipitation
77%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
18 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Puerto Rico has OK weather in July.
Puerto Rico in July – what city is the…
  • rainiest? San Juan, with an average of 3 mm of rain and humidity of 77%;
  • warmest? San Juan, with daytime temperatures averaging +31°C;
  • windiest? San Juan, with an average of 3 m/s;
  • coolest? San Juan, with daytime temperatures averaging +31°C;

How good is the weather in Puerto Rico in July?

During July, the Puerto Rico is characterized by variable weather with air pressure around 1014 HPa and therefore elements of sun, rain, and wind – with a little extra emphasis on the latter two. The humidity in July ranges between 77% in San Juan and 77% in San Juan.

How warm is it in Puerto Rico during July?

Variable weather with sun, rain and wind: +31°C in average daily temperature.

This is how hot it usually is in July

The average daily temperatures above don't tell you everything about how hot it can be in Puerto Rico. For example, cold nights can make a big difference for those staying in tents or unheated houses. Extra hot days, on the other hand, can make a big difference for those who plan to engage in demanding physical training or competition. So here are some more temperatures for July:
Average
San Juan
  • Average maximum temperature for the month: +31°C;
  • Average minimum temperature for the month: +26°C;
  • Highest monthly temperature: +31°C;
  • Lowest monthly temperature: +25°C;

Monthly temperatures:

Average
San Juan
  • Warmest: June with an average +31°C during the day;
  • Coldest: January with an average +28°C of the day;
  • Hottest month in hottest city: June in San Juan;
  • Coldest month in coolest city: January in San Juan;

Winds in Puerto Rico during July

Wind speed in Puerto Rico in July based on historical data:
Average
San Juan

July tends to offer light winds averaging 3 m/s. However, coastal cities may experience breezes during the mornings and afternoons.

Comparison between cities in July:

  • Highest average wind speed: San Juan with 2 m/s;
  • Lowest average wind speed: San Juan with 2 m/s;
  • Windiest day of the month: San Juan with 4 m/s;
  • The least windy day of the month: San Juan with 3 m/s;

Humidity and precipitation in Puerto Rico in July

Amount of rainfall in mm during July in Puerto Rico based on historical data:
Average
San Juan
July tends to be an extremely humid month with 76% humidity and 88 mm rainfall. In general the humidity tends to be a little lower in mountainous regions and more humid closer to water.

Comparison between cities in July:

Average
San Juan
  • Highest average rainfall: San Juan with 80 mm;
  • Lowest average rainfall: San Juan with 80 mm;
  • Most number of rainy days: San Juan with 9 rainy days;
  • Least number of rainy days: San Juan with 9 rainy days;
  • Highest risk of rain during the day: San Juan with 29%;
  • Least risk of rain during the day: San Juan with 29%;
  • Highest average humidity: San Juan with 77%;
  • Lowest average humidity: San Juan with 77%;

Tips for traveling to Puerto Rico in July

Looking for some tips for traveling to the sun, snow, or whatever you're aiming for Puerto Rico? Activities, weather, and clothing are closely linked. In addition, it's important to pack only what you really need so you don't have to worry about heavy packing or paying extra baggage fees.

Here is some advice on what to pack and what kind of activities you can do in the Puerto Rico based on the weather that July is expected to bring. The advice applies to the country as a whole – local weather and possible activities may differ somewhat.

Cloudy, warm weather with light winds and very high humidity in July
Avionero

Pack right for July

The weather makes a difference when it comes to packing - especially which items should go in your suitcase. The tips below are designed to help you pack light and right without carrying more than necessary.
  • Warm - neither hot nor cool, are probably the most comfortable when you think of sunbathing. Shorts, shorter skirts or dresses, tank tops and t-shirts are the basics here. If you're going to a seaside resort, don't forget your swimwear and maybe even a snorkel, mask and flippers.
  • Light winds are probably most comfortable in hot weather but is cooling in cool and cold weather. If it is hot (when the air temperature is about 30 degrees), the wind can have a warming effect. A thin, windproof jacket and long trousers help to counteract these effects.
  • High humidity means that the air conducts heat to and from the skin more easily. For example, if the air is hot (above skin temperature), it will be harder to stay cool. On the other hand, if the air is cool or cold, it is more difficult to stay warm. In high humidity, the choice of clothing makes less of a difference. However, your physical activity plays a bigger role.

FAQ

Frequently asked questions about the weather in Puerto Rico in July:

What can you do outside when it's warm in Puerto Rico?

Bathing and sunbathing can be suitable. Warm (but not hot) days are also good for activities that are not so physically demanding: sightseeing on foot, by boat, on a scooter, camel riding. You can also exercise easily as long as you make sure to cool down and quench thirst.

Is July a good time to visit Puerto Rico?

It’s always a good time to visit Puerto Rico, but the weather is changeable in July, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Monthly weather in Puerto Rico

Source of the data

For this page, we’ve looked at the typical weather in Puerto Rico, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.