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
Pratânia records a slight change with December's average high-temperatures adjusting to a still warm 27.9°C (82.2°F) from November's 27.6°C (81.7°F). Throughout December, Pratânia witnesses a consistent average low-temperature of 18.7°C (65.7°F).Heat index
For December, the heat index is calculated to be a hot 32°C (89.6°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in December is 83%.Rainfall
In Pratânia, during December, the rain falls for 26.9 days and regularly aggregates up to 187mm (7.36") of precipitation. In Pratânia, Brazil, during the entire year, the rain falls for 216.2 days and collects up to 1317mm (51.85") of precipitation.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:20 and sunset at 18:46. On the last day of the month, sunrise is at 05:32 and sunset at 19:03 -03.
Sunshine
The average sunshine in December is 7.6h.UV index
The months with the lowest UV index are January through September, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
How many hours of daylight does Pratânia have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Pratânia, Brazil
- Average high temperature in December: 27.9°C
The warmest month (with the highest average high temperature) is October (28.2°C).
The month with the lowest average high temperature is June (21.8°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in December
Pratânia, Brazil
- Average pressure in December: 1011.3mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).
Average wind speed in December
Pratânia, Brazil
- Average wind speed in December: 8.6km/h
The windiest month (with the highest average wind speed) is October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in December
Pratânia, Brazil
- Average humidity in December: 83%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (69%).
Average rainfall in December
Pratânia, Brazil
- Average rainfall in December: 187mm
The wettest month (with the highest rainfall) is January (258mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in December
Pratânia, Brazil
- Average rainfall days in December: 26.9 days
The month with the highest number of rainy days is January (28.6 days).
The month with the least rainy days is August (6.6 days).
Average daylight in December /
Average sunshine in December
Pratânia, Brazil
- Average daylight in December: 13h and 3min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in December
Pratânia, Brazil
- Average sunshine days in December: 2.5 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is February (1.3 days).
Average UV index in December
Pratânia, Brazil
- Average UV index in December: 5
The month with the highest UV index is October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover in December
Pratânia, Brazil
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Pratânia, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May and June (7km).
