Weather in San Juan in May
Conditions are pleasant for sightseeing, though you might encounter occasional showers.
Climate Overview
May is a good time to visit San Juan. San Juan has a Tropical climate with average yearly highs of 33°C, lows of 24°C, and approximately 12 rainy days per month.
33°C
24°C
12days
13h
Is May a good time to visit San Juan?
Conditions are pleasant for sightseeing, though you might encounter occasional showers.
Daylight
5:52 AM
6:51 PM
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 May
Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Planning a trip to San Juan?
Common Questions
Is May a good time to visit San Juan? +
May is typically Good for visiting San Juan, with average highs of 33°C and around 12 rainy days.
What should I pack for San Juan in May? +
With highs of 33°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 May? +
San Juan typically sees around 12 rainy days in May.
How many hours of daylight are there in San Juan in May? +
In May, San Juan gets approximately 13 hours of daylight per day.
Is May peak season in San Juan? +
No, May 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.
More San Juan Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Itineraries
Coming soon
Overview
Complete travel guide for San Juan: top things to do, itineraries, and typical costs.