Month guide · San Juan · Puerto Rico
San Juan in October
What October is really like in San Juan: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Blapgar, CC BY-SA 4.0
Quick answer
October is a quieter month with trade-offs. Expect average highs of 31°C (88°F), lows of 25°C (77°F), about 14 rainy days and roughly 11.7 hours of daylight. Still hot, wet and within hurricane season; few visitors.
Key facts
- Average high / low
- 31°C (88°F) / 25°C (77°F)
- Rainy days
- About 14
- Daylight
- About 11.7 hours
- Sea temperature
- 29°C (84°F)
- Crowds
- Quiet
- Hotel prices
- Low
Weather in October
October is the 5th-warmest month in San Juan: days average 31°C (88°F) against a yearly average high of 30°C (86°F), and nights fall to about 25°C (77°F). Rain falls on roughly 14 of its 31 days. Compared with September (31°C (88°F)), October is about as warm; by November highs stay near 30°C (86°F).
- Sunrise (15 October)
- About 06:18
- Sunset (15 October)
- About 18:02
- Daylight
- About 11.7 hours
- Sea
- 29°C (84°F)
Summer (June–August). Hot and humid with short downpours and warm sea; island families on holiday and hurricane season under way.
Crowds and prices
On a 1–5 scale, October rates 2 for crowds (the peak is January at 5) and 2 for hotel prices (highest in January). That makes October one of the better-value months to book.
Events in October
October has no major recurring festival in San Juan, which usually means easier bookings.
What to do in October
With frequent rain, plan around indoor sights and keep outdoor time flexible.
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
The sea averages 29°C (84°F) — warm enough to swim. Best beaches near San Juan.
What to pack
For highs near 31°C, lows near 25°C and 14 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is October a good time to visit San Juan?
A quieter month with trade-offs. If your dates are flexible, December–April are better overall. Compare every month.
San Juan in other months
Questions travellers ask
+Is October a good time to visit San Juan?
It is a quieter month with trade-offs. Still hot, wet and within hurricane season; few visitors.
+How warm is San Juan in October?
Average highs are around 31°C (88°F) and lows around 25°C (77°F).
+Does it rain a lot in San Juan in October?
Expect rain on about 14 days of the month, so pack for wet weather.