Arenal Volcano National Park

Arenal Volcano National Park Weather in October

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

Considering a trip to Arenal Volcano National Park, Costa Rica this October and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Arenal Volcano National Park in October

Arenal Volcano National Park, Costa Rica is a region in Costa Rica. October in Arenal Volcano National Park generally has warm temperatures, with heavy precipitation.

Temperatures

The average maximum temperatures are warm and range from 26°C (79°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal. Nighttime temperatures generally drop to 21°C (70°F) in Nuevo Arenal and 21°C (70°F) in La Fortuna.

For a closer look at conditions across Arenal Volcano National Park, Costa Rica, refer to the map below.

Precipitation

In October, precipitation varies across different areas. From heavy rainfall in Nuevo Arenal with an average of 318 mm (13 in) to heavy rainfall in El Castillo de La Fortuna with 336 mm (13 in). Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in El Castillo de La Fortuna.

Average sunshine

Sunshine amounts are decent in most places. El Castillo de La Fortuna gets approximately 167 hours of sunlight in October, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant 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 October

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 October for some of the most popular destinations in Arenal Volcano National Park, Costa Rica?

Temperature range in Arenal Volcano National Park (October)

Precipitation variation in Arenal Volcano National Park (October)

El Castillo de La Fortuna

In October El Castillo de La Fortuna generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
29°C (84°F)
28°C (82°F)
27°C (81°F)
Min temperature
21°C (70°F)
21°C (70°F)
20°C (68°F)
Monthly sun hours
159 hours
167 hours
183 hours
Monthly rainfall
320 mm (13 in)
336 mm (13 in)
251 mm (9.9 in)
Monthly rainy days
24 days
23 days
16 days
Weather conditions

Nuevo Arenal

In October Nuevo Arenal generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
29°C (84°F)
29°C (84°F)
28°C (82°F)
Min temperature
22°C (72°F)
21°C (70°F)
21°C (70°F)
Monthly rainfall
303 mm (12 in)
318 mm (13 in)
227 mm (8.9 in)
Monthly rainy days
24 days
22 days
15 days
Weather conditions

La Fortuna

In October La Fortuna generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

September
October
November
Max temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Min temperature
22°C (72°F)
21°C (70°F)
21°C (70°F)
Monthly rainfall
331 mm (13 in)
333 mm (13 in)
140 mm (5.5 in)
Monthly rainy days
20 days
21 days
16 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 October

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

City Weather Day temp Night temp Rainfall
El Castillo de La Fortuna 28°C (82°F) 21°C (70°F) 336 mm (13 in)
Nuevo Arenal 29°C (84°F) 21°C (70°F) 318 mm (13 in)
La Fortuna 26°C (79°F) 21°C (70°F) 333 mm (13 in)

Arenal Volcano National Park weather in October: frequently asked questions

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

In October, Arenal Volcano National Park, Costa Rica generally has less favorable weather conditions. El Castillo de La Fortuna sees daytime temperatures near 28°C (82°F), with nights cooling to roughly 21°C (70°F).

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

Daytime temperatures in El Castillo de La Fortuna peak at roughly 28°C (82°F) in October, dropping to about 21°C (70°F) overnight.

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

Expect plenty of rainfall. El Castillo de La Fortuna records an average of 336 mm (13 in) in October, putting it among the wetter months for Arenal Volcano National Park, Costa Rica.

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

In our view, October might not be the best time to travel to Arenal Volcano National Park, Costa Rica with often less favorable weather in El Castillo de La Fortuna.

Generally speaking, January, February and March provide excellent weather in El Castillo de La Fortuna. On the other hand, the weather in May, June, September and October tend to be less favorable.

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.