December weather forecastCerrito, Brazil
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Cerrito, Brazil, with an average temperature varying between 27.2°C (81°F) and 18.4°C (65.1°F).Temperature
December welcomes an average high-temperature of a still moderately hot 27.2°C (81°F), not much different from the preceding month. An average nighttime temperature of 18.4°C (65.1°F) is noted in Cerrito during the month of December.Heat index
The heat index value during December is computed to be 29°C (84.2°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Consider that heat index readings are for situations in the shade and light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The least humid month in Cerrito, Brazil, is December, with an average relative humidity of 73%.Rainfall
In December, in Cerrito, the rain falls for 11.9 days. Throughout December, 55mm (2.17") of precipitation is accumulated. Throughout the year, there are 143.8 rainfall days, and 766mm (30.16") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 14h and 12min of daylight.On the first day of the month, sunrise is at 05:18 and sunset at 19:22. On the last day of December, in Cerrito, sunrise is at 05:28 and sunset at 19:40 -03.
Sunshine
The month with the most sunshine is December, with an average of 8.4h of sunshine.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 6 translates into these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cerrito, Brazil
- Average high temperature in December: 27.2°C
The warmest month (with the highest average high temperature) is February (28.4°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in December: 18.4°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (10°C).
Average pressure in December
Cerrito, Brazil
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in December
Cerrito, Brazil
- Average wind speed in December: 16.3km/h
The windiest month (with the highest average wind speed) is October (17.3km/h).
The calmest month (with the lowest average wind speed) is May (14.3km/h).
Average humidity in December
Cerrito, Brazil
- Average humidity in December: 73%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is December (73%).
Average rainfall in December
Cerrito, Brazil
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is January (90mm).
The driest month (with the least rainfall) is February (45mm).
Average rainfall days in December
Cerrito, Brazil
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is June (9.8 days).
Average daylight in December /
Average sunshine in December
Cerrito, Brazil
- Average daylight in December: 14h and 12min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 8h and 24min
The month with the most sunshine is December (Average sunshine: 8h and 24min).
The month with the least sunshine is September (Average sunshine: 7h and 6min).
Average sunshine days in December
Cerrito, Brazil
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is June (18.9 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Cerrito, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in December
Cerrito, Brazil
- Average cloud cover in December: 33
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are November and December (Cloud cover 33).
Average visibility in December
Cerrito, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, November and December (10km).
The months with the lowest visibility are August, September and October (9km).
