Temperature in Arenal Volcano National Park in December

Daytime highs, nighttime lows and the warmest cities in Arenal Volcano National Park, Costa Rica this December.

Arenal Volcano National Park, Costa Rica, a region in Costa Rica, typically experiences warm weather in December, with maximum daytime temperatures around 27°C (81°F) and nighttime temperatures around 20°C (68°F) in El Castillo de La Fortuna. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Arenal Volcano National Park, Costa Rica in December?

Curious about the December temperatures in the prime spots of Arenal Volcano National Park? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Arenal Volcano National Park, check out our Arenal Volcano National Park's climate page.

See also: Arenal Volcano National Park weather by month.

Best Places to Visit in Arenal Volcano National Park in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Arenal Volcano National Park.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

See all December weather averages, cities and regions in Arenal Volcano National Park

Arenal Volcano National Park temperatures in December: frequently asked questions

How hot does it get in Arenal Volcano National Park, Costa Rica in December?

Daytime temperatures in El Castillo de La Fortuna typically peak at 27°C (81°F) in December, putting it in the high range.

How cold does it get at night in Arenal Volcano National Park, Costa Rica in December?

After dark, El Castillo de La Fortuna cools to about 20°C (68°F) on an average December night.

How much sun does Arenal Volcano National Park, Costa Rica get in December?

El Castillo de La Fortuna usually sees around 233 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in Arenal Volcano National Park.

Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed historical weather averages for many cities in Costa Rica.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Where the rain forest meets the ocean

I promise that you will not find a better location, better views, nicer rooms or lovelier staff anywhere in Costa Rica. This place really goes above and beyond.

Exploring Santa Teresa, Costa Rica: A Traveler's Guide

Immerse yourself in the laid-back charm of Santa Teresa, Costa Rica. Discover stunning beaches, vibrant dining spots, unique shops, and diverse activities in our comprehensive guide
Envision Festival

This event happens once a year in Uvita de Puntarenas and attracts people from all over the world. This festival is a must add to your bucket list.

Costa Rica Is Top Of The Happy Planet Index: Here's Why

Costa Rica has been crowned top of The Happy Planet Index — officially becoming the happiest, greenest country in the world. But what is it that makes this small but mighty Central American country so amazing?
Must visit in Costa Rica →