Weather in Portoriko in december
Country-wide climate normals across 15 cities in Portoriko.
How Hot Is Portoriko in december?
Uniform heat across Portoriko's December: averages climb to 28°C nationally with overnight lows of 23°C, narrow spread from coast to interior. The hottest cities like Ponce register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Portoriko in december
Limited sunshine and short daylight define Portoriko's December: San Juan averages just 1.5h of direct sun, with the sun up between 6:50 am and 5:50 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Portoriko In december?
Portoriko sees moderate rainfall in December — San Juan averages 70mm across 16 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's December weather mixes sunny stretches with regular shower spells.
Is Portoriko Humid In december?
Portoriko 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 Portoriko In december
Gentle steady winds define Portoriko's December: San Juan averages 19 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Portoriko In december
Cloudy skies dominate Portoriko in December — 74% cover in San Juan, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.