Season guide · San Juan · Puerto Rico
San Juan in summer
June–August: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Nils Huenerfuerst, CC BY 4.0
Quick answer
Hot and humid with short downpours and warm sea; island families on holiday and hurricane season under way. Expect highs up to 31°C (88°F) and lows around 25°C (77°F), with about 37 rainy days across June–August.
Key facts
- Months
- June–August
- Temperatures
- 25°C (77°F) to 31°C (88°F)
- Rainy days in the season
- About 37
- Sea
- 28°C (82°F) to 29°C (84°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in summer
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| June | 31°C (88°F) | 25°C (77°F) | 10 | 13.2 h | 3/5 |
| July | 31°C (88°F) | 25°C (77°F) | 13 | 13.1 h | 4/5 |
| August | 31°C (88°F) | 25°C (77°F) | 14 | 12.7 h | 3/5 |
Compared with the rest of the year: average highs of 31°C (88°F) against a yearly 30°C (86°F), and 37 of the year's roughly 141 rainy days fall in these 3 months. Crowds rate 3/5 and hotel prices 3/5 on average.
What's on in summer
Recurring events; dates move from year to year, so confirm with the organiser.
- June: Noche de San Juan — walking backwards into the sea at midnight for luck (23 June)
Good choices for summer
Religious site · Old San Juan
Cathedral of San Juan Bautista
First built in the 1520s and largely rebuilt in the 19th century, this is one of the oldest cathedrals in the Americas.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- History
- Architecture
- Rainy day

Museum · Old San Juan
Museo de las Américas
Combine it with El Morro; the barracks courtyard is a shaded break on a hot day.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- History
- Art
- Rainy day

Gallery · Santurce
Museo de Arte de Puerto Rico
The island's main art museum occupies a neoclassical former municipal hospital and a modern wing in Santurce, with Puerto Rican art from the colonial era to the present — including works by José Campeche and Francisco Oller — and a sculpture garden.
- Time needed
- 2 hours
- Cost
- Low cost
- Art
- Rainy day
- History
Experience · Cataño
Casa Bacardí
Combine the ferry crossing with the visit for views of Old San Juan from the water.
- Time needed
- 2 hours
- Cost
- Mid-priced
- Food
- Couples
- Rainy day
Day trips in summer
- Luquillo Beach and kiosks (About 45 minutes by car) — A palm-fringed public beach with calm water protected by reefs, and a long row of food kiosks along the highway serving fritters, seafood and drinks.
- Culebra and Flamenco Beach (About 1 hour by car plus 45–90 minutes by ferry) — A small island off the east coast whose Flamenco Beach is a long crescent of white sand and turquoise water, with rusting tanks from former US Navy use.
What to pack
- Light, breathable clothes, a sun hat and high-factor sunscreen
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is summer a good time to visit San Juan?
It is a trade-off: Hot and humid with short downpours and warm sea; island families on holiday and hurricane season under way. The best months overall are December–April.
+What is the weather like in San Juan in summer?
Highs of up to 31°C (88°F) and lows around 25°C (77°F), with about 37 rainy days over the season.