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Rio Weather and Climate: A Comprehensive Guide

The temperature in Rio can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also experiences much rainfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Rio can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 26°C in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C.

At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Rio is known for its substantial rainfall, with annual precipitation reaching 1433 mm. Rio can be quite wet during November, receiving approximately 198 mm of precipitation over 13 rainy days.

In contrast July, experiences much drier conditions, with 48 mm of rainfall, spread across 8 rainy days. For more details, please visit our Rio Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Rio can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.0 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: La Spezia, Italy (25 KM, 15 Miles).

Daily hours of sunshine

Data from: La Spezia, Italy (25 KM, 15 Miles).

Forecast for Rio

Sun   Dec 22
7°C | 2°C
SE 3 m/s
0.5 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Mon   Dec 23
8°C | 1°C
N 6 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
8°C | -1°C
N 4 m/s
clear and no rain

clear and no rain

The best time of year to visit Rio in Italy

During the months of June, July and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Rio?
    Most rainfall (rainy season) is seen in October, November and December.
  • Which is the warmest month in Rio?
    August has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Rio?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Rio?
    November tops the wettest month list with 198 mm of rainfall.
  • Which is the driest month in Rio?
    July is the driest month with 48 mm of precipitation.
  • Which is the sunniest month in Rio?
    July is the sunniest month with an average of 312 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.