Arenal Weather in March

Mild and comfortable, with regular rainfall. Average highs of 20°C and lows of 14°C, with around 18 rainy days expected throughout the month.

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

Average high

20°C

Average low

14°C

Rainy days

18 days

Best months to visit

Year-round

What to do in Arenal in March

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

Arenal volcano hiking and viewing Natural hot spring soaking in thermal pools Lake Arenal kayaking and fishing Hanging bridges and canopy walks through forest Rainforest night tours and wildlife spotting Adventure activities: zip-lining, rappelling, canyoning

What to pack for March

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.