Arenal Volcano National Park

Arenal Volcano National Park Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Arenal Volcano National Park, Costa Rica in January.

Planning a getaway to Arenal Volcano National Park, Costa Rica this January and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Arenal Volcano National Park in January

Arenal Volcano National Park, Costa Rica is a region in Costa Rica. January in Arenal Volcano National Park generally has warm temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect warm maximum daytime temperatures of around 27°C (81°F) and nighttime temperatures around 19°C (66°F) in El Castillo de La Fortuna. During this period, El Castillo de La Fortuna experiences its coolest temperatures annually.

To learn more about the conditions in specific areas of Arenal Volcano National Park, Costa Rica, check out the map below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in El Castillo de La Fortuna with an average of 85 mm (3.3 in) to high rainfall in La Fortuna with 113 mm (4.4 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, El Castillo de La Fortuna enjoys approximately 264 hours of sunlight, ideal for those seeking sunny weather.

Explore Arenal Volcano National Park by month

Pick a month to see the average temperature, rainfall and sunshine in Arenal Volcano National Park — and find the best time to visit. (based on El Castillo de La Fortuna)

Best Places to Visit in Arenal Volcano National Park in January

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

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Arenal Volcano National Park

What is the weather like in January for some of the most popular destinations in Arenal Volcano National Park, Costa Rica?

Temperature range in Arenal Volcano National Park (January)

Precipitation variation in Arenal Volcano National Park (January)

El Castillo de La Fortuna

In January El Castillo de La Fortuna generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
20°C (68°F)
19°C (66°F)
19°C (66°F)
Monthly sun hours
233 hours
264 hours
252 hours
Monthly rainfall
154 mm (6.1 in)
85 mm (3.3 in)
50 mm (2 in)
Monthly rainy days
14 days
10 days
8 days
Weather conditions

Nuevo Arenal

In January Nuevo Arenal generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (68°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
147 mm (5.8 in)
90 mm (3.5 in)
57 mm (2.2 in)
Monthly rainy days
13 days
10 days
7 days
Weather conditions

La Fortuna

In January La Fortuna generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
26°C (79°F)
26°C (79°F)
27°C (81°F)
Min temperature
21°C (70°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
196 mm (7.7 in)
113 mm (4.4 in)
57 mm (2.2 in)
Monthly rainy days
16 days
12 days
7 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Arenal Volcano National Park, in Costa Rica.

Popular cities in January

Day & night temperatures, rainfall and average weather in Arenal Volcano National Park in January.

City Weather Day temp Night temp Rainfall
El Castillo de La Fortuna 27°C (81°F) 19°C (66°F) 85 mm (3.3 in)
Nuevo Arenal 28°C (82°F) 20°C (68°F) 90 mm (3.5 in)
La Fortuna 26°C (79°F) 20°C (68°F) 113 mm (4.4 in)

Arenal Volcano National Park weather in January: frequently asked questions

What is the weather like in Arenal Volcano National Park, Costa Rica in January?

Expect perfect weather across Arenal Volcano National Park, Costa Rica in January. The popular destination of El Castillo de La Fortuna averages 27°C (81°F) by day and 19°C (66°F) at night during this month.

What is the average temperature in Arenal Volcano National Park, Costa Rica in January?

In El Castillo de La Fortuna, the average daytime high in January is 27°C (81°F), while nighttime temperatures drop to around 19°C (66°F).

Does Arenal Volcano National Park, Costa Rica get a lot of rain in January?

January is on the drier side in Arenal Volcano National Park, Costa Rica. El Castillo de La Fortuna averages only about 85 mm (3.3 in), with most days staying dry.

Is January a Good Time to Visit Arenal Volcano National Park, Costa Rica?

We believe that January is one of the best times to visit Arenal Volcano National Park, Costa Rica with overall perfect weather in El Castillo de La Fortuna. However, the weather conditions may vary depending on your destination.

Generally speaking, January, February and March provide perfect weather in El Castillo de La Fortuna. On the other hand, the months of May, June, September and October tend to have poor weather conditions.

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.

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