Guanacaste Weather in October

Warm and pleasant, with frequent heavy rain. Average highs of 29°C and lows of 23°C, with around 29 rainy days expected throughout the month.

While October isn't our top-rated month for Guanacaste, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

29°C

Average low

23°C

Rainy days

29 days

Best months to visit

January, February, March, December

What to do in Guanacaste in October

Whatever the weather, Guanacaste rewards curious visitors. Here are some of the best ways to spend your time:

Beach hopping across multiple coastal towns Dry forest hiking in Santa Rosa National Park Snorkeling and diving offshore islands Surfing at multiple beach breaks Wildlife spotting in protected reserves Hot springs soaking near Arenal volcano

What to pack for October

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.