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
Welcoming December, Vista Alegre do Alto notes an average high-temperature of a still warm 28.7°C (83.7°F), nearly consistent with November's 29°C (84.2°F). During the month of December, Vista Alegre do Alto anticipates a mean low-temperature of 20.5°C (68.9°F).Heat index
The heat index value for December is computed to be a tropical 34°C (93.2°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in December is 82%.Rainfall
In Vista Alegre do Alto, in December, during 29.5 rainfall days, 212mm (8.35") of precipitation is typically accumulated. Throughout the year, there are 217.6 rainfall days, and 1401mm (55.16") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 13h and 24min of daylight.On the first day of December, sunrise is at 05:23 and sunset at 18:43. On the last day of the month, sunrise is at 05:35 and sunset at 18:59 -03.
Sunshine
In December, the average sunshine is 7.4h.UV index
February through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Vista Alegre do Alto. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 5 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December?
What is the average humidity in December?
How much does it rain in Vista Alegre do Alto in December?
When are the longest days in Vista Alegre do Alto?
How many hours of daylight does Vista Alegre do Alto have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Vista Alegre do Alto have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Vista Alegre do Alto, Brazil
- Average high temperature in December: 28.7°C
The warmest month (with the highest average high temperature) is September (30.6°C).
The month with the lowest average high temperature is June (24°C).
- Average low temperature in December: 20.5°C
The month with the highest average low temperature is December (20.5°C).
The coldest month (with the lowest average low temperature) is June (14.8°C).
Average pressure in December
Vista Alegre do Alto, Brazil
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in December
Vista Alegre do Alto, Brazil
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is August (10.5km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in December
Vista Alegre do Alto, Brazil
- Average humidity in December: 82%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (55%).
Average rainfall in December
Vista Alegre do Alto, Brazil
- Average rainfall in December: 212mm
The wettest month (with the highest rainfall) is January (259mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
Vista Alegre do Alto, Brazil
- Average rainfall days in December: 29.5 days
The months with the highest number of rainy days are January and December (29.5 days).
The month with the least rainy days is August (3.8 days).
Average daylight in December /
Average sunshine in December
Vista Alegre do Alto, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 7h and 2min
The months with the most sunshine are August and September (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in December
Vista Alegre do Alto, Brazil
- Average sunshine days in December: 1.1 days
The month with the most sunshine days is August (26.6 days).
The months with the least sunshine days are February and December (1.1 days).
Average UV index in December
Vista Alegre do Alto, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, July, August, September and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, November and December (UV index 5).
Average cloud cover in December
Vista Alegre do Alto, Brazil
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Vista Alegre do Alto, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January and March (7km).
