Dominican Republic
Punta Cana in August: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Punta Cana in August is climatically well suited to beach holidays. The average daily high is around 29 °C, and the sea is about 29 °C. With about 17 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
62/100 · #10
Warmth
#2
Dryness
#11
Sun
#3
Sea warmth
#3
Published best categories: none
Punta Cana · AugustPhoto: Oleg Yunakov · CC BY-SA 4.0Climate facts
- Average high
- 29 °C
- Average low
- 28 °C
- Sea
- 29 °C
- Rainy days (est.)
- 17 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 80 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| July | 29 | 28 | 16 | 69 | 7.8 | 80 | 5.2 | 28 | 65 |
| August (selected) | 29 | 28 | 17 | 78 | 7.7 | 80 | 4.9 | 29 | 62 |
| September | 29 | 28 | 16 | 108 | 7.1 | 80 | 4.3 | 29 | 62 |
How do the previous and next months compare?
Baseline: August (62/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| July | +3 | -0.3 °C | -0.3 °C | -0.5 | -9.2 mm | +0.1 h | +0.3 % | +0.3 m/s | -0.4 °C |
| September | ±0 | +0.1 °C | +0.1 °C | -0.6 | +29.5 mm | -0.6 h | -0.5 % | -0.6 m/s | +0.3 °C |
All twelve months in context

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Where to stay in Punta Cana
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Useful next decisions
Frequently asked questions
How warm is Punta Cana in August?
The average daily high is around 29 °C, with an average daily low of about 28 °C.
Can you swim in Punta Cana in August?
The sea is about 29 °C (very warm).
Does it rain a lot in Punta Cana in August?
The curated estimate is about 17 rainy days per month, not a directly measured long-term average. Total precipitation averages around 78 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Punta Cana?
By the climate score, January, February, March and April are the strongest months for Punta Cana. For a beach trip: January, February, March and April. August is not among them.