Best time to visit San Juan

Q: When is the best time to visit San Juan?

The best time to visit San Juan is March based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which is the hottest month in San Juan?

The hottest time of year in San Juan is normally September. Expect maximum daytime temperatures to reach 30°C with high heat and humidity.

Q: Which month has the most rain in San Juan?

In terms of rainfall, August is usually the wettest month in San Juan with 195mm on average. There are normally 20 days in August with some rain.

Q: When is it sunniest in San Juan?

The sunniest time of year in San Juan is normally March with bright sunshine on average for 75% of daylight hours; that's 9 hours of sunshine per day.

Q: When is the sea warmest in San Juan?

The sea is usually at its warmest in San Juan in September when the water temperature reaches 29°C.

Find the best time to visit San Juan and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

San Juan by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Puerto Rico

Marella Cruises: up to 5% off ocean cruises

Sale

Book online & save up to 5% on Marella Cruises
Discount varies by season. Book online with TUI
Destinations across the Med, Caribbean & USA

Go to Marella Cruises deal >>

View all Marella Cruises offers

Cruise deal finder

Destination

When is the best time to visit San Juan?

The best time to visit San Juan is March based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
4
Feb
4.5
Mar
4
Apr
4
May
4
Jun
4
Jul
4
Aug
4
Sep
3.5
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°C)

27
Jan
27
Feb
28
Mar
29
Apr
29
May
30
Jun
30
Jul
30
Aug
30
Sep
30
Oct
29
Nov
28
Dec

Hours of Sunshine (daily)

8
Jan
8
Feb
9
Mar
9
Apr
8
May
9
Jun
9
Jul
9
Aug
8
Sep
7
Oct
7
Nov
7
Dec

Which is the hottest month in San Juan?

The hottest time of year in San Juan is normally September. Expect maximum daytime temperatures to reach 30°C with high heat and humidity.

Which month has the most rain in San Juan?

In terms of rainfall, August is usually the wettest month in San Juan with 195mm on average. There are normally 20 days in August with some rain.

When is it sunniest in San Juan?

The sunniest time of year in San Juan is normally March with bright sunshine on average for 75% of daylight hours; that's 9 hours of sunshine per day.

When is the sea warmest in San Juan?

The sea is usually at its warmest in San Juan in September when the water temperature reaches 29°C.