Rio Weather in December
December in Rio sees daytime temperatures around 10°C (50°F) and lows of 4°C (39°F) at night. With around 152 mm (6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Rio in December
This month experiences about 11 days of rain according to historical data, averaging 152 mm (6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Rio in December
In December, Rio sees low temperatures, with highs of 10°C (50°F). Nights drop to around 4°C (39°F). December is in the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Rio in December
This month is characterized by fewer sunny days, with about 91 hours of sunshine. It's great for those who appreciate cooler, less sunny days.December in Rio can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Rio's climate page.
Rio Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Chance of Rain
38%
Precipitation
152 mm (6 in)
Rainy days
11 days
Humidity
75% *
Sunshine
91 hours *
Percentage Sunshine
*
Best Places in Italy in December
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Rio in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Rio in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Rio's climate page.
Temperature Rainfall Sunshine Humidity
See the full Rio climate overview or explore weather in Italy.
