How Hot is Puerto Rico in Summer? A Comprehensive Guide to Planning Your Caribbean Vacation

By Steve Dez •  Updated: 02/04/24 •  13 min read

Table of Contents



How hot is Puerto Rico in summer? For the months of June through August, this tropical paradise experiences an average temperature ranging from 76℉ (24℃) to 89℉ (32℃) with potential peaks surpassing 95℉ (35℃).

The climate in Puerto Rico is typically hot and humid, with lower elevations maintaining averages near 85 °F (29 °C) and mountainous regions offering a cooler average around 70 °F (21°C). Coastal areas can provide respite from the heat thanks to constant ocean breezes.

Rainfall during the summer months is common, particularly in August which sees around seven inches or about eighteen centimeters of rain – marking it as the wettest month.

Sea-lovers will enjoy pleasant water temperatures varying from a comfortable 79 °F (26°C) in February and March, warming up to approximately 84 °F (29°C) during the summer.

The humidity level plays a significant factor on how hot it feels. In fact, a record high for summer months has reached as high as 97°F, but the humidity can make it feel much hotter. The heat index can soar above a hundred degrees Fahrenheit during hot spells.

Evenings tend to bring some relief when the sun goes down and humidity dissipates slightly. To make your visit enjoyable despite the heat, locals suggest planning outdoor activities accordingly and indulging in refreshing pastimes like splashing in the ocean or exploring historic forts during cooler hours.


how hot is puerto rico in summer
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1. Average Temperatures and Peaks in Puerto Rico’s Summer

When it comes to the question, “How hot is Puerto Rico in summer?”, you’ve got to keep an eye out for elevated temperatures. During the peak months of June through August, Puerto Rico experiences average temperatures ranging from 76℉ (24℃) to 89℉ (32℃). The heat might even take an intense turn as it has chances of peaking at more than 95℉ (35℃). You’ve got to remember that these are averages, hence, prepare well for the sunny days.

Daily low temperatures are typically around 78°F and rarely get down below 75°F or exceed 81°F. So even when the Sun takes a dip, the tropical ambience continues to favor warm \puerto rico summer temperature\s.

2. Description of Puerto Rico’s Hot and Humid Climate

Let’s dive deeper into understanding the Puerto Rico climate. Described generally as hot and humid, parts of lower elevations experience averages near about 85 °F (29 °C). If you’re planning your trip around these places, remember that your body will need ample hydration!

In contrast, mountainous areas offer respite with cooler average temperatures hovering around 70 °F (21°C). As for being windy during summers? Yes! It’s like nature’s way of balancing things out. These winds are more pronounced along coastal areas where constant ocean breezes mitigate heat effects.

3. Rainfall Patterns in Puerto Rican Summers

Another aspect that contributes to the Puerto Rico weather in summer is rainfall. The wettest month usually is August, which sees about seven inches or approximately eighteen centimeters of rain. Keep this in mind when planning your adventures!

The rainy season here begins in April and extends through October which adds a unique dynamic to the tropical weather conditions in Puerto Rico.

4. Seaside Mitigation with Pleasant Water Temperatures

Puerto Rico’s seaside presents itself as an excellent escape from the heat with its inviting water temperatures. During February and March, you could enjoy a soothing dip at around 79 °F (26°C). Come summer, and these waters warm up to an approximate temperature of 84 °F (29°C).

5. Impact of Humidity on Apparent Temperature

A key factor influencing how hot you’ll feel during summers is Puerto Rico’s notorious humidity levels and their impact on apparent temperature. With record highs for summers reaching as far up as 97°F, it’s important to remember that it might feel even hotter due to high humidity.

The combination of temperature and humidity can send the heat index soaring above typical levels—sometimes even over a hundred degrees Fahrenheit across most parts of Puerto Rico during particularly hot spells.

6. Respite in Evening Hours and Planning Outdoor Activities

Good news though! Locals often say that evenings bring a sense of relief as the sun goes down and humidity dissipates. In effect, the oppressive feeling lessens, making conditions more bearable.

For a cool summer visit to Puerto Rico, consider frolicking in the ocean waves, exploring centuries-old forts, or soaking yourself amidst tropical rain showers. Remember, there’s always an adventurous way to beat that Puerto Rico hot season.

how hot is puerto rico in summer


Did you know that Puerto Rico’s weather during summer is typically warm with occasional tropical showers? It’s precisely why many visitors prefer to come during this time. But, it’s not all about the heat; there’s so much more to do in this Caribbean paradise. Fantastic day trips, for instance, serve as an excellent reprieve from sun-soaked afternoons on the beach. Check out our picks for the best day trips in Puerto Rico.

If you’re a rum aficionado or simply curious about it, don’t miss visiting some of the best distilleries on the island. Our curated guide on the best rum tour in Puerto Rico will lead you through some amazing experiences. And when the sun sets, be sure to sign up for a magical excursion to see bioluminescent bays – our recommendations for the best bio bay tours will leave you glowing.

Now, if you are wondering about safety during the peak of summer especially in July, we’ve got covered! Check out our post on travel safety tips in July. And finally, if adventure is your middle name then Puerto Rico’s zipline tours are a must-do! Get your adrenaline fix with our suggestions for the best zipline tours in Puerto Rico. Remember, summer in Puerto Rico is not just about how hot it gets but also all about the vibrant experiences that make your getaway unforgettable!

My Personal Take about How hot is Puerto Rico in summer

Hello there, it’s your go-to guy, Steve, with another sizzling blog post!

My personal insight into today’s hot topic – keyword: “how hot is Puerto Rico in summer” – goes a few steps beyond the mere temperatures waiting for you on this beautiful Caribbean island.

Now that I think about it, the warmth resonating from Puerto Rico isn’t only about scorching beaches and sunny weather; it extends to its infectious culture, lively music, and distinctive cuisine that always manage to leave travellers thirsty for more.

Oh boy…words of advice? Well, you see: when packing for your Puerto Rican trip—which should ideally include flip flops—remember to add a hearty appetite for adventure on top of the pile! Because my dear reader:

are just a bit more than thrilling.

In any case—enough chit chat from me; I’ll dive right into this comprehensive guide clarifying “how hot is Puerto Rico in summer“. Trust me after reading this post – instead of fearing the sunrays joining your daytime travel – you will start using them to create lasting erstwhile shadows memories. Fair enough? Let’s say adios bon voyage soon friends!
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Frequently Asked Questions about How hot is Puerto Rico in summer

Before you go…

1. Puerto Rico’s summer weather can be hot, humid, and rainy.

Puerto Rico’s summer temperatures range from a comfortable 76℉ to a sweltering 95℉, with daily lows rarely dipping below 75°F or going above 81°F. The climate is generally described as hot and humid, especially in lower elevations where temperatures hover around 85 °F. The summer months also bring rainfall, with August being the wettest month, receiving about seven inches of rain. So, if you’re planning a visit during the summer, be prepared for the heat and occasional downpours.

2. The coastal areas offer some relief from the heat.

While Puerto Rico’s climate can be oppressive during the summer months, coastal areas benefit from constant ocean breezes that help mitigate the heat. This means that even though temperatures may rise inland, you’ll find some respite by the seaside. So don’t forget to pack your swimsuit and enjoy cooling off in the pleasant ocean waters.

3. Plan your outdoor activities accordingly for a more comfortable visit.

If you’re sensitive to heat and humidity, it might be wise to plan your trip to Puerto Rico in earlier months when temperatures are relatively lower and rainfall is less intense. However, if you do decide to visit during the summer, local advice suggests that evenings bring relief as humidity dissipates with sunset. This means you can still enjoy outdoor activities like exploring historic forts or taking a refreshing tropical rain shower without feeling overwhelmed by the elements.

So whether you’re seeking warmth year-round or prefer milder temperatures during your visit to Puerto Rico, keep these takeaways in mind as you plan your trip.
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Steve Dez

Also known as Richport, is a Puerto Rican creator and writer. He grew up in the island and always had a passion for writing, he wrote his first play at the age of 12 and has been creating content ever since. He's now a well-known blogger and creative who writes posts, songs and poetry that showcase his love for his roots, blending traditional stories with modern themes always with some adobo and boricua flavors in the mix.

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