SeasonScore
San Juan, Puerto Rico
Photo: Tomás Fano · CC BY-SA 2.0

Puerto Rico

San Juan in August

🌦️ Shoulder (showers)

Warm, humid and some showers. Watch for tropical cyclone risk.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics

Best months: Jan (9.3), Feb (9.3), Mar (9.3)

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Why August scores 7.9What goes into the score

How it works
🌡️ 31° / 27°C🌧️ 125 mm💧 dew pt 24°🍃 PM2.5 5
  • Weather comfort6.9
    • ✓Warm (30.9°C highs / 26.9°C lows)
    • !Very humid/sticky (dew point 24.2°C)
    • !Wet: ~125 mm rain, ~3 heavy-rain days
  • Air quality9.9
    • ✓Good (within WHO guideline) (PM2.5 ~5 µg/m³)
  • Seasonal hazards8.5
    • !Tropical cyclone: Peak of the Atlantic/Caribbean hurricane season
  • Safety baseline—
Compare monthsPut August side by side with another month
AugJan
Score7.9 Very good9.3 Excellent
Season🌦️ Shoulder (showers)☀️ Dry season
High / low31° / 27°28° / 24°
Rain125 mm46 mm
Humiditydew pt 24°dew pt 21°
PM2.55 µg/m³5 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsAugust 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Puerto Rico this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore San JuanEvents, sights, food & souvenirs

Check event dates locally

Puerto Rico's capital, known for the colourful streets and Spanish forts of Old San Juan, Condado beaches and nearby El Yunque rainforest.

Events in August

No major events on our calendar for August.

Coming up later

Fiestas de la Calle San SebastiánDate variesUsually a weekend in mid-January

A big street festival with music, crafts and parades.

Why go: Very crowded; parking is difficult.

Where: Old San Juan

Three Kings DayEvery year6 January every year

A holiday when children get gifts, near the end of the long Christmas season.

Why go: Public holiday.

Where: Island-wide

Noche de San JuanEvery yearNight of 23 June every year

People walk backwards into the sea at midnight for good luck.

Why go: Beaches get busy.

Where: Beaches

Plan this tripTickets, data and transfers for San Juan

Airport transfer Kiwitaxi

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