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
December's weather records an average high-temperature of a still warm 29.1°C (84.4°F), showing little deviation from November. Throughout December nights, Barros Cassal registers an average low-temperature of 17.5°C (63.5°F).Heat index
December's average heat index is estimated at a hot 34°C (93.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
With an average relative humidity of 76%, December is the least humid month.Rainfall
In Barros Cassal, during December, the rain falls for 14.5 days and regularly aggregates up to 54mm (2.13") of precipitation. In Barros Cassal, during the entire year, the rain falls for 148.9 days and collects up to 783mm (30.83") of precipitation.Daylight
With an average of 14h and 0min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:23 and sunset at 19:15. On the last day of December, sunrise is at 05:34 and sunset at 19:32 -03.
Sunshine
With an average of 8.5h of sunshine, December has the most sunshine of the year in Barros Cassal.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Barros Cassal. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Barros Cassal in December?
What is the least humid month in Barros Cassal?
What is the average humidity in December in Barros Cassal?
How much does it rain in Barros Cassal in December?
When are the longest days in Barros Cassal?
How many hours of daylight does Barros Cassal have in December?
When is the sunrise / sunset in December in Barros Cassal?
What month has the most sunshine in Barros Cassal?
How many hours of sunshine does Barros Cassal have in December?
When is the highest UV index in Barros Cassal?
What is the UV index reading in December in Barros Cassal?
Average temperature in December
Barros Cassal, Brazil
- Average high temperature in December: 29.1°C
The warmest month (with the highest average high temperature) is February (29.5°C).
The month with the lowest average high temperature is July (18°C).
- Average low temperature in December: 17.5°C
The month with the highest average low temperature is February (18.6°C).
The coldest month (with the lowest average low temperature) is July (9.2°C).
Average pressure in December
Barros Cassal, Brazil
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Barros Cassal, Brazil
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is August (10.7km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).
Average humidity in December
Barros Cassal, Brazil
- Average humidity in December: 76%
The months with the highest relative humidity are May, June and July (85%).
The month with the lowest relative humidity is December (76%).
Average rainfall in December
Barros Cassal, Brazil
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is October (96mm).
The driest month (with the least rainfall) is February (44mm).
Average rainfall days in December
Barros Cassal, Brazil
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is January (14.8 days).
The month with the least rainy days is August (10.3 days).
Average daylight in December /
Average sunshine in December
Barros Cassal, Brazil
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 8h and 3min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is September (Average sunshine: 7h and 12min).
Average sunshine days in December
Barros Cassal, Brazil
- Average sunshine days in December: 15.1 days
The months with the most sunshine days are July and August (18.8 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Barros Cassal, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Barros Cassal, Brazil
- Average cloud cover in December: 34
The months with the most cloud cover are September and October (Cloud cover 41).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in December
Barros Cassal, Brazil
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and December (9km).
The months with the lowest visibility are January, February, March, April, May, September, October and November (8km).
