Rivera Weather in December
Rivera in December averages 30°C (86°F) during the day and 17°C (63°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Rivera in December
Historically, December sees about 12 days of rain, with a monthly average of 121 mm (4.8 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rivera in December
December in Rivera brings very high temperatures, with highs of 30°C (86°F) and nights around 17°C (63°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Rivera. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our Rivera's climate page.
Rivera Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
30°C (86°F)
Chance of Rain
38%
Precipitation
121 mm (4.8 in)
Rainy days
12 days
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Rivera typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 19°C (66°F).
Average temperatures in December
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Rivera in December
Browse day-by-day weather records for Rivera spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rivera historical weather extremes in December
Based on weather observations in Rivera between 1999 and 2025, these are the recorded extremes during December.
- On December 26, 2013, temperatures climbed to 39°C (102°F), marking the warmest December day on record.
- Rivera experienced its chilliest December day on December 24, 2011, reaching only 19°C (66°F).
- The coldest night in December in Rivera was on December 17, 2025, with a minimum of 9°C (48°F).
Best Places in Uruguay in December
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in December →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Rivera in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Rivera 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 Uruguay, check out our Rivera's climate page.
See the full Rivera climate overview or explore weather in Uruguay.
