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Costa Rica Weather in August

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

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Jacó San José Tamarindo Fortuna

Planning a getaway to 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 Costa Rica in August

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

Temperatures

The average highest temperatures fluctuate between warm in Orosí at 23°C (73°F) to very warm in Santa Cruz at 32°C (90°F). Nighttime temperatures generally drop to 24°C (75°F) in Santa Cruz and 15°C (59°F) in Orosí.

For specific regional insights in Costa Rica, refer to the map provided 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 Dominical with 997 mm (39 in).

Average sunshine

Sunshine levels are moderate in most locations. Jacó typically sees 171 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Costa Rica by month

Pick a month to see the average temperature, rainfall and sunshine in Costa Rica - and find the best time to visit. (based on Jacó)

January29°C (84°F) February29°C (84°F) March30°C (86°F) April29°C (84°F) May29°C (84°F) June29°C (84°F) This monthJuly28°C (82°F) August28°C (82°F) September28°C (82°F) October28°C (82°F) November28°C (82°F) December28°C (82°F)
Best Time to Visit Costa Rica →

Best Places to Visit in Costa Rica in August

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

Conditions 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).

Popular Destinations in Costa Rica

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

Temperature range in Costa Rica (August)

Precipitation variation in Costa Rica (August)

Jacó

In August Jacó generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« July
August
September »
July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
24°C (75°F)
Monthly sun hours
164 hours
171 hours
159 hours
Monthly rainfall
559 mm (22 in)
620 mm (24 in)
579 mm (23 in)
Monthly rainy days
21 days
22 days
22 days
Weather conditions
less favorable
less favorable
less favorable
Climate in Jacó →

San José

In August San José generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« July
August
September »
July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Min temperature
17°C (63°F)
17°C (63°F)
16°C (61°F)
Monthly sun hours
152 hours
160 hours
149 hours
Monthly rainfall
347 mm (14 in)
414 mm (16 in)
476 mm (19 in)
Monthly rainy days
23 days
24 days
24 days
Weather conditions
less favorable
less favorable
less favorable
Climate in San José →

Tamarindo

In August Tamarindo generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« July
August
September »
July
August
September
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
188 hours
183 hours
158 hours
Monthly rainfall
182 mm (7.2 in)
250 mm (9.8 in)
331 mm (13 in)
Monthly rainy days
20 days
21 days
23 days
Weather conditions
mixed
less favorable
less favorable
Climate in Tamarindo →

Puerto Viejo de Talamanca

In August Puerto Viejo de Talamanca generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
121 hours
146 hours
156 hours
Monthly rainfall
530 mm (21 in)
409 mm (16 in)
309 mm (12 in)
Monthly rainy days
22 days
23 days
22 days
Weather conditions
less favorable
less favorable
less favorable
Climate in Puerto Viejo de Talamanca →

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 less favorable that month.

« July
August
September »
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
less favorable
less favorable
less favorable
Climate in Fortuna →

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Jacó 28°C (82°F) 25°C (77°F) 620 mm (24 in)
San José 24°C (75°F) 17°C (63°F) 414 mm (16 in)
Tamarindo 31°C (88°F) 25°C (77°F) 250 mm (9.8 in)
Fortuna 28°C (82°F) 21°C (70°F) 263 mm (10 in)
Santa Teresa 29°C (84°F) 25°C (77°F) 355 mm (14 in)
Uvita 26°C (79°F) 22°C (72°F) 930 mm (37 in)

Costa Rica weather in August: frequently asked questions

What is the weather like in Costa Rica in August?

Costa Rica typically experiences less favorable weather in August, part of the season. Daytime highs in Jacó average around 28°C (82°F), and temperatures drop to about 25°C (77°F) at night.

What is the average temperature in Costa Rica in August?

Daytime temperatures in Jacó peak at roughly 28°C (82°F) in August, dropping to about 25°C (77°F) overnight.

Does Costa Rica get a lot of rain in August?

Expect plenty of rainfall. Jacó records an average of 620 mm (24 in) in August, putting it among the wetter months for Costa Rica.

Is August a Good Time to Visit Costa Rica?

In our opinion, August may not be the ideal time to visit Costa Rica due to the typically less favorable weather in Jacó.

Generally speaking, January and February provide excellent weather in Jacó. On the other hand, the weather in May, June, July, August, September, October and November tend to be less favorable.

Interested in more climate information?

We have much more information about the climate in Costa Rica.

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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