Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
With the onset of December, the average high-temperature registers at a still moderately hot 25.3°C (77.5°F), subtly different from November's 24.9°C (76.8°F). Nighttime temperatures consistently average a refreshing 17.6°C (63.7°F) during December.Humidity
In December, the average relative humidity is 85%.Rainfall
December is the month with the most rainfall in Datas. Rain falls for 27.9 days and accumulates 250mm (9.84") of precipitation.Daylight
With an average of 13h and 12min of daylight, December has the longest days of the year in Datas.On the first day of December, sunrise is at 05:09 and sunset at 18:18. On the last day of the month, sunrise is at 05:21 and sunset at 18:34 -03.
Sunshine
In Datas, the average sunshine in December is 7h.UV index
February through August, October through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 5 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Datas?
What is the average humidity in December in Datas?
What is the rainiest month in Datas?
How many days does it rain in December in Datas?
When are the longest days in Datas?
What is the average length of the day in December in Datas?
When are sunrise and sunset in December in Datas?
How long on average sun shines in December in Datas?
What are the months with the lowest UV index in Datas?
How high is the UV index in December in Datas?
Average temperature in December
Datas, Brazil
- Average high temperature in December: 25.3°C
The warmest month (with the highest average high temperature) is September (26.3°C).
The month with the lowest average high temperature is June (21.9°C).
- Average low temperature in December: 17.6°C
The month with the highest average low temperature is December (17.6°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).
Average pressure in December
Datas, Brazil
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in December
Datas, Brazil
- Average wind speed in December: 8km/h
The windiest months (with the highest average wind speed) are September and October (9.7km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).
Average humidity in December
Datas, Brazil
- Average humidity in December: 85%
The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (69%).
Average rainfall in December
Datas, Brazil
- Average rainfall in December: 250mm
The wettest month (with the highest rainfall) is December (250mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in December
Datas, Brazil
- Average rainfall days in December: 27.9 days
The month with the highest number of rainy days is December (27.9 days).
The month with the least rainy days is August (7.6 days).
Average daylight in December /
Average sunshine in December
Datas, Brazil
- Average daylight in December: 13h and 1min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in December
Datas, Brazil
- Average sunshine days in December: 1.8 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is December (1.8 days).
Average UV index in December
Datas, Brazil
- Average UV index in December: 5
The months with the highest UV index are January and September (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in December
Datas, Brazil
- Average cloud cover in December: 58
The months with the most cloud cover are March and April (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Datas, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August, September and October (9km).
The month with the lowest visibility is April (6km).
