San Juan weather in August 2020

Get the latest coronavirus (COVID-19) updates for Puerto Rico with current travel advice, statistics and online resources.

  • 30°C maximum daytime temperature in August in San Juan30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 20 days with some rainfall in August in San Juan20
    20 days with some rainfall
  • 24°C minimum night-time temperature in August in San Juan24
    24°C min night temperature
  • 13 hours of daylight per day in August in San Juan13
    13 hours of daylight per day
  • High heat & humidity in August in San JuanH
    High heat & humidity
  • 195 mm monthly rainfall in August in San Juan195
    195 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in San Juan11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in San Juan28
    28°C sea temperature
  • Top deals & discounts
  • San Juan weather overview
  • San Juan climate averages by month
  • More destinations
  • Best time to go to San Juan
  • San Juan 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The August weather guide for San Juan, Puerto Rico shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Save EXTRA 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2020 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Thursday 31st Dec 2020 · View all Holiday Autos offers

How hot is it in San Juan in August?

Daytime temperatures usually reach 30°C in San Juan in August with high heat and humidity, falling to 24°C at night.

How sunny is it in San Juan in August?

There are normally 9 hours of bright sunshine each day in San Juan in August - that's 68% of daylight hours.

How warm is the sea around San Juan in August?

The average sea temperature around San Juan in August is 28°C.

Does it rain in San Juan in August?

There are usually 20 days with some rain in San Juan in August and the average monthly rainfall is 195mm.

What is the chance of a hurricane in San Juan in August?

On average less than 1 day in August in San Juan is likely to be affected by the passage of one or more tropical storms.

San Juan sunrise & sunset times for August 2020

Browse the sunrise & sunset times for San Juan in August 2020. Select a month to view San Juan sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2020 06:02 18:59
Sunday, 16th August 2020 06:07 18:50
Monday, 31st August 2020 06:10 18:39
  • Save EXTRA 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2020 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Thursday 31st Dec 2020 · View all Holiday Autos offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Puerto Rico

Where is hot in Puerto Rico in August for 2020/2021?

Below are average maximum temperatures at popular destinations in Puerto Rico in August. Select a destination to see more weather parameters.

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.