Alajuela Weather by Month – Costa Rica Climate

Alajuela in January

In January the weather in Alajuela ranges from good in El Achiote to excellent in Alajuela. The average maximum daytime temperatures are high and range from 24°C (75°F) in Río Segundo to 30°C (86°F) in San Mateo. On average, this month is the coldest month of the year in Alajuela.

Find more detailed climate information for Alajuela 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.

Alajuela in February

In February the weather in Alajuela ranges from very good in Bijagua to excellent in Fortuna. The temperatures range from high in Río Segundo with 24°C (75°F) to very high in San Mateo with 31°C (88°F).

Find more detailed climate information for Alajuela 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.

Alajuela in March

In March the weather in Alajuela ranges from very good in Bijagua to excellent in Fortuna. The temperatures range from high in Río Segundo with 25°C (77°F) to very high in San Mateo with 31°C (88°F).

Find more detailed climate information for Alajuela 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.

Alajuela in April

In April the weather in Alajuela ranges from good in San Mateo to excellent in Alajuela. The temperatures range from high in Birrí with 26°C (79°F) to very high in Los Chiles with 32°C (90°F). On average, this month is one of the warmest months of the year in Alajuela. So be prepared and make sure to dress lightly.

Find more detailed climate information for Alajuela 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.

Alajuela in May

In May the weather in Alajuela ranges from less favorable in Fortuna to mixed in La Fortuna. The temperatures range from high in Birrí with 26°C (79°F) to very high in Los Chiles with 32°C (90°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 Alajuela 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.

Alajuela in June

In June the weather in Alajuela is generally less favorable. The temperatures range from high in Birrí with 25°C (77°F) to very high in Los Chiles with 31°C (88°F).

Find more detailed climate information for Alajuela 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.

Alajuela in July

In July the weather in Alajuela ranges from less favorable in Fortuna to good in La Fortuna. The temperatures range from high in Birrí with 25°C (77°F) to very high in Los Chiles with 30°C (86°F).

Find more detailed climate information for Alajuela 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.

Alajuela in August

In August the weather in Alajuela ranges from less favorable in Fortuna to mixed in El Castillo de La Fortuna. The temperatures range from high in Birrí with 25°C (77°F) to very high in Los Chiles with 30°C (86°F).

Find more detailed climate information for Alajuela 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.

Alajuela in September

In September the weather in Alajuela is generally less favorable. The temperatures range from high in Birrí with 25°C (77°F) to very high in Los Chiles with 31°C (88°F).

Find more detailed climate information for Alajuela 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.

Alajuela in October

In October the weather in Alajuela is generally less favorable. The temperatures range from high in Birrí with 25°C (77°F) to very high in Los Chiles with 30°C (86°F).

Find more detailed climate information for Alajuela 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.

Alajuela in November

In November the weather in Alajuela ranges from less favorable in Fortuna to very good in Fortuna. The average maximum daytime temperatures are high and range from 24°C (75°F) in Birrí to 30°C (86°F) in Los Chiles.

Find more detailed climate information for Alajuela 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.

Alajuela in December

In December the weather in Alajuela ranges from less favorable in Hacienda Tres Amigos to excellent in La Garita. The average maximum daytime temperatures are high and range from 24°C (75°F) in Birrí to 29°C (84°F) in Los Chiles.

Find more detailed climate information for Alajuela 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.

Alajuela Weather by Month: Temperature & Rainfall Guide

Alajuela in January

Alajuela in February

Alajuela in March

Alajuela in April

Alajuela in May

Alajuela in June

Alajuela in July

Alajuela in August

Alajuela in September

Alajuela in October

Alajuela in November

Alajuela in December

Top destinations

Bucket list