Rincón weather in August

August in Rincón: sweltering, rainy, with clean air — fine if you can take 38°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Rincón🇵🇷 Puerto Rico · Greater Antilles · Beach82
  1. 93Jan
  2. 92Feb
  3. 91Mar
  4. 91Apr
  5. 88May
  6. 87Jun
  7. 83Jul
  8. 82Aug
  9. 80Sep
  10. 85Oct
  11. 86Nov
  12. 92Dec

#11 of 12 months in Rincón · #608 of 1413 destinations to visit in August · comfort 82/100 (tier A)

Days
32°C
Nights
23°C
Wet days
11
Sun
11.1 h
Humidity
78%
Daylight
13 h
Rincón, Puerto Rico
Photo: Caleb Oquendo · Pexels

Traveller notes on Rincón in August

Other months in Rincón

Rincón's forum describes July as hot, into the 90s F, and humid, squarely inside the June-through-November hurricane season - though posters were clear that day-to-day storms and showers tend to be brief, often a predictable afternoon shower around 2pm, with plenty of sun the rest of the day. One thing that surprises first-time visitors: July is genuinely one of the busiest months on the island, since local holidays mean Puerto Ricans are off work and vacationing, plus visiting family flying in from the mainland.
PuertoRicoWestCoastRegular · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe January as reliably warm and sunny, with visitors reporting high-80sF air and water temperatures and comparatively sunnier skies in Rincon even on days when other parts of the island turned cloudy. Winter swell does pick up this time of year, though, which changes which beach works best on a given day: the Balneario (town public beach) stays calm and swimmable even when Sandy Beach nearby runs too rough, while Steps Beach can go from good snorkeling to too choppy depending on the day's wave size. Posters note hurricane season officially ends November 30, so major storm risk is essentially off the table in January - overall it's rated a strong month, just one where checking which specific beach is calm that day matters more than in calmer seasons.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Rincón's card on the map.

Rincón climate normals — August

Daytime high32°C / 89°F🔥 sweltering
Nighttime low23°C / 74°F
Feels like (high)38°C / 100°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall133 mm / 5.2 in🌧 rainy
Rainy days11 days
Humidity78%💦 very humid
Dew point24°C / 75°F
Sunshine11.1 h/day
Daylight12.7 h
Wind19 km/h / 12 mph
Air quality (US AQI)32🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Rincón 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.

BusySanta Rosa de Lima fiestas, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Rincón'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 weatherRincón's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Rincón in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Atlantic hurricane season

    1 Jun – 30 Nov

    The season is also the flat, quiet, cheap half of the year on this coast, which is the trade. Maria in September 2017 is the reference point; mid-August to mid-October is when the Atlantic is most active. Source ↗

  • Festival

    Santa Rosa de Lima fiestas

    20–31 Aug · usuallyReligious feastCrowded

    The town's patron saint fiestas at the end of August bring rides, kiosks, live music and a procession to the plaza over a long weekend. Mostly a local crowd, in the quiet summer season. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Rincón — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Rincón?

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Rincón in August — FAQ

Is August a good time to visit Rincón?
August in Rincón: sweltering, rainy, with clean air — fine if you can take 38°C afternoons. It ranks #11 of 12 months for Rincón on SeasonMap's comfort score (82/100).
What is the weather like in Rincón in August?
In August, Rincón averages a daily high of 31.9°C and a low of 23.1°C, with about 132.9 mm of rain over roughly 11.3 rainy days.
What is the air quality in Rincón in August?
Rincón has a mean US Air Quality Index of about 32 in August.

Within 300 km: San Juan's Bioluminescent bay nights on 1 Jan – 31 Dec, and Punta Cana's Turtle nesting on the east coast around 15 Mar – 15 Nov.