Punta Cana (Dominican Republic) weather in August
August in Punta Cana: sweltering, rainy, with clean air — fine if you can take 21 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#9 of 12 months in Punta Cana · #562 of 1413 destinations to visit in August · comfort 83/100 (tier A)
- Days
- 32°C
- Nights
- 24°C
- Wet days
- 21
- Sun
- 10.9 h
- Humidity
- 80%
- Daylight
- 13 h

Traveller notes on Punta Cana in August
Other months in Punta Cana
Regulars are specific that although this technically starts the island's rainy season, showers tend to be strong but short-lived and windfree, often arriving overnight rather than during the day and leaving most daytime plans untouched. Our row backs that hot, genuinely wet read, 31.2C reading as a hot 37C, over 23.9C nights, with 68.4mm of rain across 16.2 days and humidity at 79 percent. Regulars are consistent this also marks the start of hurricane season, though a direct impact on this specific area during summer is described as uncommon rather than a regular concern. Most regulars report genuinely good, mostly dry days overall despite the rainy-season label. The sea sits at a warm, swimmable 29.1C. The record: 11.8 hours of sun, an 18.1 kph wind and AQI 48.
April sits on a hinge this board watches closely. Sargassum is generally not a problem from about November through April, and turns bad from roughly the end of April into November - so early April is the safer half of the month and late April is the gamble. They are honest that nobody can predict it: it changes daily, some stretches of coast get it while others nearby get none, and the resorts that rake at dawn have it cleared before most guests are out. The weather is the easy part - 29.8C reading as 34C at 76.7 percent humidity, over 22C nights, with a 27C sea. They call December to April the dry season, though our row still counts 13.1 rainy days for only 71.6mm: short showers rather than a wet month. The record: 11.2 hours of sun, an 18.1 kph wind and AQI 40.
December is one of the months regulars recommend and the reason is not only the weather. The wind comes from the north-east now, so sargassum rafts rarely reach these beaches and the little that does is cleared quickly - the seaweed is a summer problem here, not a winter one. On the sky they report mid-80s days, nights in the 60s and 70s, and humidity noticeably lower, with the odd five or ten minute shower. Our row says the same: 29.6C over 21.8C and 50.6mm spread across 15.2 days, three millimetres each. The trade wind that keeps the beaches clean reads 19.4 kph. The record: humidity 77 percent, 10.2 hours of sun and a 27.5C sea.
February is the coolest and windiest month of the Punta Cana year, which regulars are quick to say still means high-80s Fahrenheit days, mid-70s nights and water warm enough for both the pool and the sea - our row's 26.3C. The wind is the trade-off: February and March are breezy, and since the Christmas winds run from December to late January, the back half of February is often calmer than the front. What February does not have is the thing people now ask about first. Sargassum is a summer problem here and is seldom an issue in winter or spring, which makes this one of the best months to book if the seaweed is what worries you. The record: 29C days that feel like 32C, 21.2C nights, 13 precipitation days carrying just 38.2mm and 10.6 hours of sun.
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Punta Cana climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Punta Cana in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer school-holiday peak, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Punta Cana's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherPunta Cana's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Punta Cana in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Sargassum on the east beaches
15 Mar – 31 Aug · usuallySargassum seasonBavaro and Macao face east into the drift and take the brunt of it; hotels rake at dawn and the sheltered coves clear faster. It swings hugely week to week, so a live tracker beats any average. Source ↗
- Nature
Turtle nesting on the east coast
15 Mar – 15 Nov · usuallyHawksbills and the odd leatherback come up the Bavaro and Macao sand from spring to late autumn. The resorts stake the nests off and dim the beach lights; the hatchlings go out after dark.
- Hazard
Hurricane season
1 Jun – 30 NovHispaniola sits in the main track and the risk is loaded into the September and October half of the season. Most weeks pass without a warning, and the resorts price it accordingly, but the change policy is the thing to read. Source ↗
- Season
Summer school-holiday peak
1 Jul – 31 AugSchool holidaysCrowdedBook earlyThe second peak and a different crowd: Dominican, Latin American and Spanish families on school holidays rather than the winter sun crowd. Family rooms and connecting doors go first.
Nearby, and something's on
Within 300 km of Punta Cana — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Punta Cana?
Punta Cana in August — FAQ
- Is August a good time to visit Punta Cana?
- August in Punta Cana: sweltering, rainy, with clean air — fine if you can take 21 rainy days. It ranks #9 of 12 months for Punta Cana on SeasonMap's comfort score (83/100).
- What is the weather like in Punta Cana in August?
- In August, Punta Cana averages a daily high of 32°C and a low of 24.2°C, with about 112.2 mm of rain over roughly 20.8 rainy days.
- What is the air quality in Punta Cana in August?
- Punta Cana has a mean US Air Quality Index of about 44 in August.
Within 300 km: San Juan's Bioluminescent bay nights on 1 Jan – 31 Dec.