San Juan Weather in October

Thinking of visiting San Juan in October? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 25°C (77°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in San Juan in October

Typically, you can expect about 18 days of rain this month, with 146 mm (5.7 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in San Juan in October

Temperatures in San Juan in October top out at 31°C (88°F) and drop to 25°C (77°F) overnight. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in San Juan in October

Expect sunny days throughout the month, with an estimated 228 hours of sunshine. This makes it a pleasant time to visit San Juan.

Wind Speed in San Juan in October

Average wind conditions reach 2 m/s (4 knots) in October. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Average water temperature in October

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

October in San Juan can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.