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San Juan

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Travel Info
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Travel Info

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San Juan Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-10

San Juan year round climate

  • Spring (March–May): Average 76–79°F, warm to hot temperatures, abundant sunshine, sparse rainfall, dry weather. Common activities: Beach leisure, water activities, exploring Old San Juan. Recommended attire: Lightweight breathable clothing, short sleeves, shorts, swimwear, sun hat, sunglasses.
  • Summer (June–August): Average 80–81°F, hot temperatures, higher humidity, lowest rainfall of the year, strong sunshine. Common activities: Enjoying sunny beaches, evening strolls, tasting local cuisine. Recommended attire: Extremely lightweight breathable clothing, shorts, short sleeves, sandals.
  • Autumn (September–November): Average 78–82°F, continuously hot temperatures, September and October are the hottest months of the year, rainfall slightly increases in November but remains generally low. Common activities: Exploring natural scenery, participating in cultural festivals, seaside leisure. Recommended attire: Light summer wear, light jacket (in case of occasional showers in November).
  • Winter (December–February): Average 74–77°F, warm and pleasant climate, the coolest and most comfortable season of the year, sparse rainfall. Common activities: Outdoor sports, sightseeing, enjoying resort facilities, an ideal time to escape the cold. Recommended attire: Short sleeves, shorts, lightweight long pants; a light jacket might be needed in the evening.

San Juan climatological average

Annual average temperature: approx. 78.8°F / Annual rainfall: approx. 67 mm / Summer humidity: 70-80% / Rainiest month: November

San Juan monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
75.7°F
0.9
February
74.5°F
5.6
March
76.1°F
2
April
77.2°F
4.2
May
79.3°F
5.4
June
81°F
4.8
July
80.8°F
2.9
August
81°F
4
September
82°F
8.8
October
82.2°F
7.4
November
78.6°F
13.9
December
77.7°F
7.5

San Juan weather for the next seven days

8/19
Wednesday
Mist
90.2°F/74.8°F
8/20
Thursday
Patchy rain nearby
88.9°F/73.2°F
8/21
Friday
Patchy rain nearby
88.9°F/73.6°F
8/22
Saturday
Patchy rain nearby
88.6°F/71.7°F
8/23
Sunday
Patchy rain nearby
88.5°F/73°F
8/24
Monday
Patchy rain nearby
87.7°F/73.9°F
8/25
Tuesday
Patchy rain nearby
90.8°F/74.3°F

San Juan Frequently Asked Questions and Useful Information for Travel

Is it safe to visit San Juan right now?

Yes, San Juan, Puerto Rico is a very safe place for tourists to visit. As one of Puerto Rico's most popular tourist destinations, San Juan is generally as safe as any major city in the United States mainland.

Is San Juan, Puerto Rico worth visiting?

Yes, San Juan is absolutely worth visiting for its rich history, vibrant culture, colorful architecture, and diverse attractions. Explore the historic district of Old San Juan with its colonial buildings and fortresses, experience the local food and music, and enjoy its beaches.

What should I know before going to San Juan, Puerto Rico?

If you're coming from the U.S., you don't need a passport to visit Puerto Rico. While English is widely spoken, Spanish is also prevalent. Be prepared for tropical weather which can include rain, and understand that the island is larger than it may initially appear.

What is the best time to visit San Juan, Puerto Rico?

The best time to visit San Juan is during the peak season from mid-December to mid-April for ideal weather. The shoulder season from mid-April to June offers a good balance of warm weather with fewer crowds and lower prices.

What are the must-see attractions in San Juan?

Must-see attractions in San Juan include exploring the charming, colorful streets of Old San Juan, visiting UNESCO World Heritage sites like Castillo San Felipe del Morro, and experiencing the lively culture with its delicious cuisine and music. You can also enjoy urban beaches like Playa Escambron.