2026 Climate Averages

Weather in San Juan in October

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

October is a wet time to visit San Juan. San Juan has a Tropical climate with average yearly highs of 30°C, lows of 24°C, and approximately 26 rainy days per month.

Avg High

30°C

Avg Low

24°C

Rainy days

26days

Daylight

11.8h

Is October a good time to visit San Juan?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Daylight

Sunrise

6:18 AM

Sunset

6:04 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 27°C 22°C 26 Excellent (best)
February 28°C 22°C 15 Excellent (best)
March 27°C 22°C 25 Excellent (best)
April 30°C 23°C 18 Excellent (best)
May 33°C 24°C 12 Good
June 32°C 25°C 19 Wet
July 32°C 25°C 25 Wet
August 31°C 25°C 16 Wet
September 31°C 25°C 27 Wet
October 30°C 24°C 26 Wet
November 29°C 23°C 22 Wet
December 28°C 22°C 16 Excellent (best)

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for October

Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.

Climate: Tropical
Travel Context Expect humidity and afternoon showers—plan flexible days.

Planning a trip to San Juan?

Common Questions

Is October a good time to visit San Juan? +

October is typically Wet for visiting San Juan, with average highs of 30°C and around 26 rainy days.

What should I pack for San Juan in October? +

With highs of 30°C and lows of 24°C in {month}, we recommend: Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.

Does it rain a lot in San Juan in October? +

San Juan typically sees around 26 rainy days in October.

How many hours of daylight are there in San Juan in October? +

In October, San Juan gets approximately 11.8 hours of daylight per day.

Is October peak season in San Juan? +

No, October is not peak season in San Juan. Expect better value on accommodation and fewer tourists.

What is the best month to visit San Juan? +

The best months to visit San Juan are December, January, February, March, April, when the weather is optimal for sightseeing.

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

Solar calculations: SunCalc (timezone: America/Puerto_Rico)

Last Updated: January 2026

More San Juan Guides

Best Time to Visit

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Things to Do

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Itineraries

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Overview

Complete travel guide for San Juan: top things to do, itineraries, and typical costs.

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October

30° / 24°
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