PR Puerto Rico · Summer

Puerto Rico weather
in August

Puerto Rico in August: solid, though January remains peak.

Open-Meteo · 10 years · 12 months compared · 18.47°N 66.11°W
88°FMax temperature
65%Rainy days
12.1hSunshine / day

Puerto Rico weather in August

✅ Good
🌡️ Temperature min / max
77°F – 88°F
🌧 Rainy days
65% of days
☀️ Sunshine
12.1h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
January (8.0/10)

Should you visit Puerto Rico in August?

✅ Good

✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.

❌ No if: you're planning 100% outdoor activities — rain is frequent.

🌧 Rain : ██████░░░░ 65%
🌡 Temperature : ████████░░ 88°F
☀️ Sunshine : █████████░ 12.1h/d

Our take: Favourable conditions in August (7.2/10). January scores higher but the gap is small.

Puerto Rico in August by trip type

What to expect in August

In the height of summer, Puerto Rico sees high temperatures (31°F). Heat is a factor for outdoor activities. With 65% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. January (8.0/10) is significantly better if possible.

All months for Puerto Rico

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
🌤️ January72°F82°F47%0.1in10.9h8.0/10
🌤️ February72°F82°F55%0.1in11.0h7.8/10
🌤️ March72°F82°F53%0.1in11.2h7.9/10
🌤️ April73°F84°F59%0.1in12.1h7.6/10
🌤️ May75°F86°F59%0.1in12.6h7.5/10
🌤️ June77°F88°F56%0.1in12.9h7.5/10
⛅ July77°F88°F67%0.1in12.7h7.3/10
⛅ August77°F88°F65%0.1in12.1h7.2/10
⛅ September77°F88°F74%0.2in11.5h7.1/10
⛅ October75°F86°F71%0.2in11.2h7.2/10
⛅ November75°F84°F67%0.2in10.7h7.3/10
🌤️ December73°F82°F57%0.1in10.8h7.7/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Puerto Rico averages 88°F, 65% rainy days and 12.1h of sunshine per day. Overall weather score: 7.2/10. See methodology →

August vs January (best month)

The best month is January (score 8.0/10). Difference:

FAQ — Puerto Rico in August

Is August a good time to visit Puerto Rico?
August is an acceptable time for Puerto Rico (score 7.2/10). Conditions are decent but not optimal — consider January (8.0/10) if possible.
Does it rain a lot in Puerto Rico in August?
Yes, 65% of days see rain in August. Plan some indoor activities as backup.

Find a place to stay in Puerto Rico

Find places to stay in Puerto Rico in August Search on Hotels.com

Activities and tours in Puerto Rico

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

Find a flight to Puerto Rico

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