Weather in Puerto Rico in december
Country-wide climate normals across 15 cities in Puerto Rico.
How Hot Is Puerto Rico in december?
Puerto Rico bakes evenly in December — highs around 28°C are typical from Fajardo all the way to Ponce, with very little regional variation. Lows sit around 23°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 Puerto Rico in december
Puerto Rico sees limited sun in December: just 1.5h a day in San Juan, with heavy cloud cover common across most regions. Daylight runs from 6:50 am to 5:50 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 Puerto Rico In december?
Moderate rainfall defines Puerto Rico's December: San Juan averages 70mm across 16 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is Puerto Rico Humid In december?
Puerto Rico is enveloped in tropical-thick humidity through December: San Juan averages 78%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Puerto Rico In december
Light breezes are typical across Puerto Rico in December: 19 kph in San Juan, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Puerto Rico In december
Puerto Rico sees mostly cloudy weather through December: San Juan averages 74% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.