Jacó Weather in August
Jacó in August averages 28°C (82°F) during the day and 25°C (77°F) at night. August is part of the rainy season, so frequent rainfall is typical.
Rainfall in Jacó in August
Jacó is in the rainy season in August, with rain on around 22 days and an average of 620 mm (24 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Jacó in August
Temperatures in Jacó in August top out at 28°C (82°F) and drop to 25°C (77°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Jacó in August
You can expect a moderate amount of sunlight, with approximately 171 hours. Even though this month is part of the wet season, you can still see the sun occasionally.August in Jacó has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Jacó's climate page.
Jacó Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
73%
Precipitation
620 mm (24 in)
Rainy days
22 days
Sunshine
171 hours *
Percentage Sunshine
*
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Jacó typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in August
Daily Historical Precipitation
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Jacó in August
Browse day-by-day weather records for Jacó spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jacó historical weather extremes in August
Based on 29 years of weather observations (1996-2025), these are the most extreme conditions recorded in Jacó.
- On August 25, 1997, temperatures climbed to 33°C (91°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 22°C (72°F), recorded on August 26, 2020.
- The coldest night in August in Jacó was on August 2, 2018, with a minimum of 15°C (59°F).
- The wettest August day on record brought 273 mm (11 in) of precipitation to Jacó (August 18, 2009).
Best Places in Costa Rica in August
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Jacó in August
Warm but pleasant conditions in Jacó in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Jacó in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Jacó's climate page.
See the full Jacó climate overview or explore weather in Costa Rica.
