San Juan in August
Hot and stormy
By Daan · Last reviewed October 2026
The short answer
August is a reasonable month in San Juan — with trade-offs.
August is hot, with hurricane risk building toward its peak.
August in detail
What August actually feels like
- Weather
- 25–32°C
- Very hot and humid, with storms.
- Crowds
- Low–Moderate
- Quieter.
- Prices
- $$
- Fair rates.
+Lower prices.
–Hurricane risk rises.
My tip for August
Get insurance that covers hurricanes.
- Value
- Beach
How August compares
Against the other eleven months
7th of 12 overall in San Juan, 10th for weather, 3rd for space, 3rd for value. The emptiest month is September; the best value is September.
See all twelve months for San JuanNot set on August?
Even stronger months in San Juan
Also good in August
Weather
Weather in San Juan in August
In August San Juan averages a high of 32°C (90°F) and a low of 25°C (77°F), with about 160 mm of rain or snow over 15 wet days. The warmest month is June (around 32°C) and the coolest is January (around 28°C); the wettest month is November.
- Average high
- 32°C
- 90°F
- Average low
- 25°C
- 77°F
- Precipitation
- 160 mm
- Wet days
- 15
Climate data: NOAA (Luis Muñoz Marín International Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
San Juan in August: the questions people ask
- Is August a good time to visit San Juan?
- August is a reasonable month in San Juan — with trade-offs. It ranks 7 of 12 months in San Juan overall (10 for weather, 3 for space, 3 for value). The main upside: Lower prices. The main downside: Hurricane risk rises.
- What is the weather like in San Juan in August?
- Average highs are around 32°C and lows around 25°C. Expect about 160 mm of rain or snow over roughly 15 wet days. Very hot and humid, with storms. For comparison, the warmest month is June (around 32°C) and the coolest is January (around 28°C).
- Is San Juan crowded in August?
- Crowds are low–moderate. Quieter. The quietest month is September.
- How expensive is San Juan in August?
- Prices are at level 2 of 5 ($$). Fair rates. The best-value month is September.
- When is the best time to visit San Juan?
- In the CrowdFreeViews month scores, April is the best month overall (August ranks 7 of 12). The quietest month is September and the best value is September.