Weather in Porto Rico in août
Country-wide climate normals across 15 cities in Porto Rico.
How Hot Is Porto Rico in août?
Porto Rico bakes evenly in August — highs around 31°C are typical from Fajardo all the way to Ponce, with very little regional variation. Lows sit around 25°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Porto Rico in août
Porto Rico sees limited sun in August: just 1.2h a day in San Juan, with heavy cloud cover common across most regions. Daylight runs from 6:05 am to 6:50 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Porto Rico In août?
Porto Rico's August is wet across most regions: 130mm in San Juan across 20 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Porto Rico Humid In août?
Heavy oppressive humidity covers Porto Rico in August: 77% on average in San Juan, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Porto Rico In août
Breezy conditions cover Porto Rico's August: San Juan sits at 20 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In Porto Rico In août
Porto Rico's August is dominated by overcast skies: San Juan averages 77% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.