Rio Claro Weather in December

December in Rio Claro brings very high temperatures around 30°C (86°F) during the day, dropping to 20°C (68°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Rio Claro in December

As part of the rainy season, Rio Claro sees around 19 days of rain in December, with an average of 238 mm (9.4 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Rio Claro in December

In December, Rio Claro sees very high temperatures, with highs of 30°C (86°F). Nights drop to around 20°C (68°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Rio Claro in December

The month enjoys around 242 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Rio Claro. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Rio Claro's climate page.

Rio Claro Temperature in December

Min Temperature 20°C (68°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 64%  

Precipitation 238 mm (9.4 in)  

Rainy days 19 days  

Humidity 70% *  

Sunshine 242 hours *  

Percentage Sunshine *  

* Data from: São Carlos, Brazil (54 KM, 34 Miles).

What to Wear in Rio Claro in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Rio Claro in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Rio Claro's climate page.

More climate data for Rio Claro

Temperature Rainfall Sunshine Humidity

See the full Rio Claro climate overview or explore weather in Brazil.