Weather in Brazília in december
Country-wide climate normals across 61 cities in Brazília.
How Hot Is Brazília in december?
Brazília sees consistently hot December weather — average highs of 29°C, average lows of 20°C, with minimal regional differences. Whether you're in Rio de Janeiro or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Brazília in december
Limited sunshine and short daylight define Brazília's December: Rio de Janeiro averages just 1.8h of direct sun, with the sun up between 5:25 am and 6:55 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Brazília In december?
Brazília's December is wet across most regions: 168mm in Rio de Janeiro across 18 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 Brazília Humid In december?
Brazília is enveloped in tropical-thick humidity through December: Rio de Janeiro averages 77%, 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 Brazília In december
Brazília's December has gentle wind — Rio de Janeiro averages 15 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Brazília In december
Cloudy skies dominate Brazília in December — 74% cover in Rio de Janeiro, 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.