2026 Climate Averages

Weather: San Juan — June

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

June is a good time to visit San Juan. Hot conditions with temperatures reaching 31°C—stay hydrated and seek shade. Rain is common, so pack an umbrella. Being off-peak, you'll find better deals and fewer crowds. Sea temperature of 29°C is perfect for swimming.

7.1
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

31°C

Avg Low

26°C

Rainy days

12days

Daylight

13.2h

Feels like 35°C / 30°C — humidity makes it feel warmer

Rainfall

58mm

Sunshine

12h/day

Humidity

78%

Muggy
Sun Strength

9.5

Very High
Wind

21 km/h (gusts 39)

Sea Temp

29°C 🏊 Comfortable

Is June a good time to visit San Juan?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

--

Feels like --
Wind --
Humidity --
UV Index --
Local time

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Shoulder Rates

Daylight

Sunrise

05:49

Sunset

19:02

13.2h daylight

Visiting San Juan in June: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals
  • Warm sea perfect for swimming and snorkeling

Cons

  • Very high UV — sunscreen and shade essential

Things to Do in June

Events & Festivals

🎵
Heineken Jazz Fest
Late May–early June Music
🎭
Noche de San Juan (Saint John's Night)
June 23–24 Cultural

Recommended for This Weather

🌅 Early morning sightseeing (before the heat)
🏊 Swimming & beach activities
🤿 Snorkeling & water sports
🏖️ Beach relaxation & sunbathing
🥾 Hiking & nature trails
🏛️ Museums & galleries

San Juan Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 28°C 24°C 11d (40mm) 10.3h
79% Humid
6.6 High
Excellent
Feb 28°C 23°C 11d (48mm) 10.6h
78% Humid
7.5 Very High
Excellent
Mar 28°C 23°C 11d (35mm) 11h
77% Humid
8.7 Very High
Excellent
Apr 29°C 24°C 13d (81mm) 11.4h
78% Muggy
9.2 Very High
Excellent
May 30°C 25°C 12d (79mm) 11.5h
79% Muggy
9.4 Very High
Good
Jun Current 31°C 26°C 12d (58mm) 12h
78% Muggy
9.5 Very High
Good
Jul 31°C 26°C 15d (67mm) 11.7h
80% Very Muggy
9.3 Very High
Wet
Aug 31°C 27°C 16d (88mm) 11.1h
80% Very Muggy
9.1 Very High
Wet
Sep 31°C 27°C 22d (145mm) 10.6h
82% Very Muggy
8.5 Very High
Wet
Oct 31°C 26°C 20d (131mm) 9.9h
82% Very Muggy
7.4 Very High
Wet
Nov 29°C 25°C 17d (94mm) 9.7h
82% Very Muggy
6.5 High
Wet
Dec 28°C 24°C 11d (42mm) 10.1h
80% Very Humid
6.4 High
Excellent

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthJulScore: 8.1

Where to Stay

See hotels, apartments & rentals around San Juan – live prices from Booking.com, Expedia, Vrbo and more

San Juan

Caribbean capital with 500-year-old colonial Old San Juan, historic Spanish forts, vibrant beaches like Condado and Isla Verde, El Yunque rainforest, bioluminescent bays, and rich Puerto Rican culture blending Spanish, African, and Taíno influences.

View Full Destination Guide

What to Pack for June

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Tropical Quiet

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to San Juan?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is June a good time to visit San Juan?
June is typically good for visiting San Juan, with average highs of 31°C and around 12 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in San Juan in June?
Nights stay pleasantly warm in San Juan during June, around 26°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for San Juan in June?
With highs of 31°C and lows of 26°C in June, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in San Juan in June?
San Juan typically sees around 12 rainy days in June. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in San Juan in June?
Yes, June is excellent for swimming in San Juan! With warm air temperatures around 31°C, the water is comfortable for extended beach sessions. This is peak beach season, so arrive early to secure a good spot at popular beaches.
How many hours of daylight are there in San Juan in June?
In June, San Juan gets approximately 13.2 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is June peak season in San Juan?
No, June is not peak season in San Juan. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Puerto_Rico)

Last Updated: February 2026