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Rio Negro weather in December

Are you planning a trip to Rio Negro in December and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Rio Negro in December?

Rio Negro is a region in Uruguay. December in Rio Negro generally has very warm temperatures, with high precipitation. The month of December is in the summer season.

You can expect very warm maximum daytime temperatures of around 30°C and nighttime temperatures around 18°C in Fray Bentos. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

December is a rainy month with an average rainfall of around 124 mm in Fray Bentos. Meanwhile, Fray Bentos enjoys approximately 280 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

To learn more about the conditions in specific areas of Rio Negro in December, check out the map below. For more details on the yearly weather, visit our Rio Negro climate page.

Where to go in Rio Negro in December

Find the average weather conditions in December for the most popular destinations in Rio Negro on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Rio Negro

What is the weather like in December for the most popular destinonation in Rio Negro?

Average weather in Fray Bentos

In December Fray Bentos generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 18°C and high monthly rainfall. So on average the conditions are tolerable that month.

Fray Bentos
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
28°C 
15°C 
253 hours 
106 mm 
9 days 
30°C 
18°C 
280 hours 
124 mm 
9 days 
January   >> January
>>  
32°C 
20°C 
289 hours 
106 mm 
9 days 
Climate in Fray Bentos

Is your destination not in the list? Have a look at other destinations in Rio Negro, in Uruguay.

Is December the best time to visit Rio Negro?

In our view, December might not be the best time to travel to Rio Negro with often tolerable weather in Fray Bentos.

Generally speaking, the best visiting conditions can be found in May, August and September offering mostly perfect weather in Fray Bentos. In contrast, January, February, July and December tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Rio Negro. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Uruguay? Get detailed historical weather averages for many cities in Uruguay.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.