ClimateAverages

San Juan Weather in August

Right now
3°C
Clear · feels like -0°C
Humidity
65%
Wind
13 kph SSW
UV
0
Rain
0%
Updated Jul 9, 08:45 AMWeather data by WeatherAPI.com
August daytime high
18.9°C
August overnight low
2.2°C
August average
11.3°C

In August, San Juan typically sees daytime highs of 18.9°C and overnight lows around 2.2°C. Compared to the annual average high of 24.0°C, August runs -5.1°C.

vs. annual avg high
-5.1°C
Rank among 12 months
#10 warmest
Hottest year overall
2022

Where August ranks in San Juan

JanFebMarAprMayJunJulAug19°SepOctNovDec

FAQ

What is the average temperature in San Juan in August?

August in San Juan averages a daytime high of 18.9°C and an overnight low of 2.2°C.

Is August warm or cold in San Juan?

August runs -5.1°C compared to San Juan's annual average high of 24.0°C, ranking #10 of 12 months by warmth.

What should I pack for San Juan in August?

Plan for daytime highs near 18.9°C and cooler evenings around 2.2°C.

Other months for San Juan

August in nearby cities