Arenal Volcano National Park Weather by Month

Arenal Volcano National Park in January

In January the weather in Arenal Volcano National Park ranges from very good in La Fortuna to excellent in El Castillo de La Fortuna. In El Castillo de La Fortuna you can expect warm maximum average daytime temperatures around 27°C (81°F) and nighttime temperatures around 19°C (66°F). On average, this month is the coldest month of the year in Arenal Volcano National Park.

Find more detailed climate information for Arenal Volcano National Park in January here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in January: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in February

In February the weather in Arenal Volcano National Park is generally excellent. In El Castillo de La Fortuna you can expect warm maximum average daytime temperatures around 28°C (82°F) and nighttime temperatures around 19°C (66°F).

Find more detailed climate information for Arenal Volcano National Park in February here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in February: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in March

In March the weather in Arenal Volcano National Park ranges from very good in Nuevo Arenal to excellent in El Castillo de La Fortuna. In El Castillo de La Fortuna you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 19°C (66°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Arenal Volcano National Park in March here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in March: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in April

In April the weather in Arenal Volcano National Park ranges from very good in El Castillo de La Fortuna to excellent in La Fortuna. In El Castillo de La Fortuna you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 20°C (68°F). On average, this month is one of the warmest months of the year in Arenal Volcano National Park. So be prepared and make sure to dress lightly.

Find more detailed climate information for Arenal Volcano National Park in April here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in April: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in May

In May the weather in Arenal Volcano National Park ranges from less favorable in El Castillo de La Fortuna to mixed in La Fortuna. In El Castillo de La Fortuna you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 21°C (70°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Arenal Volcano National Park in May here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in May: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in June

In June the weather in Arenal Volcano National Park is generally less favorable. The average maximum daytime temperatures are high and range from 27°C (81°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal.

Find more detailed climate information for Arenal Volcano National Park in June here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in June: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in July

In July the weather in Arenal Volcano National Park ranges from mixed in El Castillo de La Fortuna to good in La Fortuna. The average maximum daytime temperatures are high and range from 26°C (79°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal.

Find more detailed climate information for Arenal Volcano National Park in July here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in July: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in August

In August the weather in Arenal Volcano National Park is generally mixed. The average maximum daytime temperatures are high and range from 27°C (81°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal.

Find more detailed climate information for Arenal Volcano National Park in August here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in August: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in September

In September the weather in Arenal Volcano National Park is generally less favorable. The average maximum daytime temperatures are high and range from 27°C (81°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal.

Find more detailed climate information for Arenal Volcano National Park in September here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in October

In October the weather in Arenal Volcano National Park is generally less favorable. The average maximum daytime temperatures are high and range from 26°C (79°F) in La Fortuna to 29°C (84°F) in Nuevo Arenal.

Find more detailed climate information for Arenal Volcano National Park in October here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in October: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in November

In November the weather in Arenal Volcano National Park ranges from mixed in El Castillo de La Fortuna to very good in La Fortuna. The average maximum daytime temperatures are high and range from 25°C (77°F) in La Fortuna to 28°C (82°F) in Nuevo Arenal.

Find more detailed climate information for Arenal Volcano National Park in November here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in November: pale blue is dry, deep blue is wet.

Arenal Volcano National Park in December

In December the weather in Arenal Volcano National Park ranges from good in La Fortuna to very good in El Castillo de La Fortuna. In El Castillo de La Fortuna you can expect warm maximum average daytime temperatures around 27°C (81°F) and nighttime temperatures around 20°C (68°F). On average, this month is the coldest month of the year in Arenal Volcano National Park.

Find more detailed climate information for Arenal Volcano National Park in December here.

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

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

Marker color shows total monthly precipitation in December: pale blue is dry, deep blue is wet.

Arenal Volcano National Park Weather by Month: Temperature & Rainfall Guide

Arenal Volcano National Park in January

Arenal Volcano National Park in February

Arenal Volcano National Park in March

Arenal Volcano National Park in April

Arenal Volcano National Park in May

Arenal Volcano National Park in June

Arenal Volcano National Park in July

Arenal Volcano National Park in August

Arenal Volcano National Park in September

Arenal Volcano National Park in October

Arenal Volcano National Park in November

Arenal Volcano National Park in December

Top destinations

Bucket list