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San Juan

San Juan 1
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 24.5–26.5°C, 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 27–27.5°C, 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 26–28°C, 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 23.5–25.5°C, 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. 26.0°C / Annual rainfall: approx. 67 mm / Summer humidity: 70-80% / Rainiest month: November

San Juan monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
24.3°C
0.9
February
23.6°C
5.6
March
24.5°C
2
April
25.1°C
4.2
May
26.3°C
5.4
June
27.2°C
4.8
July
27.1°C
2.9
August
27.2°C
4
September
27.8°C
8.8
October
27.9°C
7.4
November
25.9°C
13.9
December
25.4°C
7.5

San Juan weather for the next seven days

12/19
Friday
Partly Cloudy
28.4°C/23.3°C
12/20
Saturday
Cloudy
27°C/23.1°C
12/21
Sunday
Partly Cloudy
28.3°C/22.8°C
12/22
Monday
Patchy rain nearby
26.6°C/21.8°C
12/23
Tuesday
Patchy rain nearby
25.7°C/21.1°C
12/24
Wednesday
Patchy rain nearby
25.5°C/21.6°C
12/25
Thursday
Patchy rain nearby
24.3°C/20.8°C

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.