Rio Negro Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Rio Negro, Uruguay in December.

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

What to Expect in Rio Negro in December

Rio Negro, Uruguay 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.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 18°C (64°F) 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.

For a closer look at conditions across Rio Negro, Uruguay, refer to the map below.

Precipitation

December is a rainy month with an average rainfall of around 124 mm (4.9 in) in Fray Bentos.

Average sunshine

Most destinations offer generous amounts of sunshine this December. For example, Fray Bentos gets approximately 280 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Rio Negro by month

Pick a month to see the average temperature, rainfall and sunshine in Rio Negro — and find the best time to visit. (based on Fray Bentos)

Best Places to Visit in Rio Negro in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rio Negro.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Rio Negro

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

Fray Bentos

In December Fray Bentos generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 18°C (64°F) and high monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
28°C (82°F)
30°C (86°F)
32°C (90°F)
Min temperature
15°C (59°F)
18°C (64°F)
20°C (68°F)
Monthly sun hours
253 hours
280 hours
289 hours
Monthly rainfall
106 mm (4.2 in)
124 mm (4.9 in)
106 mm (4.2 in)
Monthly rainy days
9 days
9 days
9 days
Weather conditions

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

Rio Negro weather in December: frequently asked questions

What is the weather like in Rio Negro, Uruguay in December?

Expect unpleasant weather across Rio Negro, Uruguay in December. The popular destination of Fray Bentos averages 30°C (86°F) by day and 18°C (64°F) at night during this summer month.

What is the average temperature in Rio Negro, Uruguay in December?

Average temperatures in Rio Negro, Uruguay during December range from a nighttime low near 18°C (64°F) to a daytime high around 30°C (86°F) in Fray Bentos.

Does Rio Negro, Uruguay get a lot of rain in December?

Fray Bentos typically receives notable rainfall in December, about 124 mm (4.9 in) on average across Rio Negro, Uruguay.

Is December a Good Time to Visit Rio Negro, Uruguay?

In our view, December might not be the best time to travel to Rio Negro, Uruguay 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 and December tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Rio Negro.

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 travel conditions. Find out where to go with our weather planner.

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