Middle of the wetter season · Weather & things to do
Manuel Antonio in August
Little changes in Manuel Antonio from July: highs stay near 83°F (28°C), lows near 78°F (25°C), and about 10.6 in (268 mm) of rain falls.
With a comfort score of 38/100 (12th of 12), it's one of the toughest months, held back mainly by rain.
- Avg high
- 83°F (28°C)
- Avg low
- 78°F (25°C)
- Rain
- 10.6 in (268 mm)
- Humidity
- 86%
- Cloud cover
- 87%
- Daylight
- ~12 h 19 min
- Comfort score
- 38/100 · Tough
What August feels like
Days are warm, averaging 83°F (28°C).
Nights stay warm too, with lows averaging 78°F (25°C).
With 86% average humidity, it feels muggy.
It's a very wet month, with around 10.6 in (268 mm) of rain, so keep plans flexible and have indoor backups ready.
Expect plenty of overcast days, with cloud cover near 87%.
Plan around August
August is one of the lower-scoring months here; the best are January – March.
- Start of the wettest three-month stretch (August – October), which brings about 35.4 in (899 mm) in total.
- Comfort holds steady from July (38 → 38/100).
- Our Costa Rica Pura Vida route recommends Dec – Apr, so August falls outside its suggested window.
What to pack for August
- Light, breathable clothes83°F afternoons
- Quick-dry fabrics86% average humidity
- Rain jacket and waterproof shoes10.6 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Manuel Antonio in August
With 10.6 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Ronny's Place
Restaurant overlooking coves.
Why now A sit-down stop to wait out showers in a month with 10.6 in of rain.
Playa Espadilla
Long beach outside the park.
Marina Pez Vela
Quepos marina with restaurants.
Manuel Antonio Falafel Bar
Fresh falafel, shawarma and hummus plates on the main road; a cheap, fast lunch between the park and the beach.
Nearby in August
- Monteverde in August~78 mi · highs 72°F, 6.9 in rain · 6°C (12°F) cooler by day, drier
- La Fortuna in August~82 mi · highs 83°F, 7.0 in rain · similar daytime temperatures, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~264 m to Manuel Antonio's ~108 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Manuel Antonio in August: quick answers
Is August a good time to visit Manuel Antonio?
It's one of the tougher months here, scoring 38/100, held back mainly by rain. The best months are January – March. Expect highs of 83°F (28°C) and 10.6 in (268 mm) of rain. Our Costa Rica Pura Vida route recommends Dec – Apr, so August is outside its suggested window.
How hot is Manuel Antonio in August?
Average highs are 83°F (28°C) and average lows 78°F (25°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Manuel Antonio in August?
Yes: about 10.6 in (268 mm) of rain falls across August on average, the 5th-wettest month of the year. The annual total is about 90.1 in (2288 mm).
What should I pack for Manuel Antonio in August?
Bring light, breathable clothes (83°F afternoons), quick-dry fabrics (86% average humidity), rain jacket and waterproof shoes (10.6 in of rain on average) and comfortable walking shoes (most picks involve some walking).
More on Manuel Antonio
Planning Manuel Antonio in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.