Alajuela Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Alajuela, Costa Rica in August.

Planning a getaway to Alajuela, Costa Rica this August 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 Alajuela in August

Alajuela, Costa Rica is a region in Costa Rica. August in Alajuela generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Birrí at 25°C (77°F) to very warm in Los Chiles at 30°C (86°F). Nighttime temperatures generally drop to 23°C (73°F) in Los Chiles and 17°C (63°F) in Birrí.

For a closer look at conditions across Alajuela, Costa Rica, refer to the map below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Playa el Jobo with an average of 152 mm (6 in) to heavy rainfall in San Mateo with 498 mm (20 in).

Average sunshine

Sunshine amounts are decent in most places. Fortuna gets approximately 171 hours of sunlight in August, 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 Alajuela by month

Best Places to Visit in Alajuela in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Alajuela.

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 Alajuela

What is the weather like in August for some of the most popular destinations in Alajuela, Costa Rica?

Temperature range in Alajuela (August)

Precipitation variation in Alajuela (August)

Fortuna

In August 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 poor that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
164 hours
171 hours
159 hours
Monthly rainfall
280 mm (11 in)
263 mm (10 in)
308 mm (12 in)
Monthly rainy days
22 days
22 days
23 days
Weather conditions

Alajuela

In August Alajuela generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
25°C (77°F)
26°C (79°F)
25°C (77°F)
Min temperature
18°C (64°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
152 hours
160 hours
149 hours
Monthly rainfall
279 mm (11 in)
353 mm (14 in)
433 mm (17 in)
Monthly rainy days
23 days
24 days
24 days
Weather conditions

El Castillo de La Fortuna

In August 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 unpleasant that month.

July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
164 hours
171 hours
159 hours
Monthly rainfall
251 mm (9.9 in)
254 mm (10 in)
320 mm (13 in)
Monthly rainy days
22 days
23 days
24 days
Weather conditions

Bijagua

In August Bijagua generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
188 hours
183 hours
158 hours
Monthly rainfall
278 mm (11 in)
250 mm (9.8 in)
298 mm (12 in)
Monthly rainy days
22 days
22 days
24 days
Weather conditions

Atenas

In August Atenas generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Min temperature
20°C (68°F)
19°C (66°F)
19°C (66°F)
Monthly sun hours
152 hours
158 hours
147 hours
Monthly rainfall
344 mm (14 in)
420 mm (17 in)
482 mm (19 in)
Monthly rainy days
23 days
23 days
23 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Alajuela, in Costa Rica.

Popular cities in August

Day & night temperatures, rainfall and average weather in Alajuela in August.

City Weather Day temp Night temp Rainfall
Fortuna 28°C (82°F) 21°C (70°F) 263 mm (10 in)
Alajuela 26°C (79°F) 17°C (63°F) 353 mm (14 in)
El Castillo de La Fortuna 28°C (82°F) 21°C (70°F) 254 mm (10 in)
Bijagua 30°C (86°F) 22°C (72°F) 250 mm (9.8 in)
Atenas 27°C (81°F) 19°C (66°F) 420 mm (17 in)
Grecia 26°C (79°F) 18°C (64°F) 342 mm (13 in)

Alajuela weather in August: frequently asked questions

What is the weather like in Alajuela, Costa Rica in August?

Expect poor weather across Alajuela, Costa Rica in August. The popular destination of Fortuna averages 28°C (82°F) by day and 21°C (70°F) at night during this month.

What is the average temperature in Alajuela, Costa Rica in August?

Average temperatures in Alajuela, Costa Rica during August range from a nighttime low near 21°C (70°F) to a daytime high around 28°C (82°F) in Fortuna.

Does Alajuela, Costa Rica get a lot of rain in August?

Yes. August brings heavy rainfall to Alajuela, Costa Rica, with Fortuna averaging around 263 mm (10 in). Expect frequent showers and pack accordingly.

Is August a Good Time to Visit Alajuela, Costa Rica?

In our opinion, August may not be the ideal time to visit Alajuela, Costa Rica due to the typically poor weather in Fortuna.

On average, the best time to visit Alajuela, Costa Rica is in February and March with generally perfect weather in Fortuna. In contrast, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Alajuela.

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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