Weather in San Juan in January
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
Climate Overview
January is an excellent time to visit San Juan. San Juan has a Tropical climate with average yearly highs of 27°C, lows of 22°C, and approximately 26 rainy days per month.
27°C
22°C
26days
11.1h
Is January a good time to visit San Juan?
The weather is near-perfect with ideal temperatures and minimal rain.
Daylight
7:00 AM
6:08 PM
Live January Forecast
LIVEForecast for your trip dates
Up to 16 days ahead Weather by Month
| 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 January
Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Planning a trip to San Juan?
Common Questions
Is January a good time to visit San Juan? +
January is typically Excellent for visiting San Juan, with average highs of 27°C and around 26 rainy days.
What should I pack for San Juan in January? +
With highs of 27°C and lows of 22°C in {month}, we recommend: Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Does it rain a lot in San Juan in January? +
San Juan typically sees around 26 rainy days in January.
How many hours of daylight are there in San Juan in January? +
In January, San Juan gets approximately 11.1 hours of daylight per day.
Is January peak season in San Juan? +
Yes, January is peak season in San Juan. Expect higher prices and more crowds, but also the best weather.
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.
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.