August weather forecastPuerto Rico, Spain

August
Weather in August
August, the sunniest month, perpetuates the intense summer weather in Puerto Rico. The dry conditions persist, with rainfall amounting to only 1mm (0.04"). Providing utmost daylight and elevated UV index, sun protection remains indispensable. Nights in this month hold a little reprieve to the prevailing heat, proving mild. It bears mentioning, however, that unpredictable weather shifts are not improbable.Temperature
Puerto Rico's temperatures peak on average in August, reaching 26°C (78.8°F) at their highest and 19°C (66.2°F) at their lowest.Rainfall
July and August are months with the least rain in Puerto Rico when 1mm (0.04") of rain is typically aggregated.Sea temperature
In Puerto Rico, Spain, in August, the average water temperature is 22.8°C (73°F).Note: Swimming in 22.8°C (73°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.
Daylight
In August, the average length of the day in Puerto Rico is 13h and 6min.On the first day of August, sunrise is at 07:26 and sunset at 20:52. On the last day of the month, sunrise is at 07:41 and sunset at 20:24 WEST.
Sunshine
In August, the average sunshine in Puerto Rico, Spain, is 9h.UV index
The months with the highest UV index in Puerto Rico, Spain, are June through August, with an average maximum UV index of 11. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 11 in August translates into these instructions:
Take every essential safety procedure. Individuals with fair skin could sustain burns in less than 5 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Being cautious under the Sun means limiting direct exposure, especially if you have a tendency to burn. And always wear sunscreen with 30 SPF or higher. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Puerto Rico, Spain
- Average high temperature in August: 26°C
The warmest month (with the highest average high temperature) is August (26°C).
The months with the lowest average high temperature are January and February (18°C).
- Average low temperature in August: 19°C
The month with the highest average low temperature is August (19°C).
The coldest months (with the lowest average low temperature) are January and February (12°C).
Average rainfall in August
Puerto Rico, Spain
- Average rainfall in August: 1mm
The wettest month (with the highest rainfall) is December (51mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in August
Puerto Rico, Spain
- Average rainfall days in August: 0 days
The month with the highest number of rainy days is December (4 days).
The months with the least rainy days are June, July and August (0 days).
Average sea temperature in August
Puerto Rico, Spain
- Average sea temperature in August: 22.8°C
The best month for swimming (with the highest average sea temperature) is October (23.6°C).
The coldest months (with the lowest average sea temperature) are February and March (19.3°C).
Average daylight in August /
Average sunshine in August
Puerto Rico, Spain
- Average daylight in August: 13h and 6min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in August: 9h
The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are January, November and December (Average sunshine: 6h).
Average UV index in August
Puerto Rico, Spain
- Average UV index in August: 11
The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).





