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
The arrival of December sees a recorded average high-temperature of a still moderately hot 27.4°C (81.3°F), showing little divergence from the previous month's conditions. An average low-temperature of 18.5°C (65.3°F) marks the nights in Bom Jesus da Serra throughout December.Heat index
Throughout December, the heat index is appraised at a tropical 31°C (87.8°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Note that heat index values are valued for light wind and location in the shade. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in December in Bom Jesus da Serra is 85%.Rainfall
In Bom Jesus da Serra, during December, the rain falls for 23.6 days and regularly aggregates up to 128mm (5.04") of precipitation. In Bom Jesus da Serra, during the entire year, the rain falls for 240.1 days and collects up to 793mm (31.22") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 0min of daylight.On the first day of December in Bom Jesus da Serra, sunrise is at 05:03 and sunset at 17:58. On the last day of the month, sunrise is at 05:16 and sunset at 18:14 -03.
Sunshine
The average sunshine in December in Bom Jesus da Serra is 7.4h.UV index
The months with the highest UV index are January through April, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Bom Jesus da Serra?
What is the average humidity in December in Bom Jesus da Serra?
How many days does it rain in December in Bom Jesus da Serra?
When are the longest days in Bom Jesus da Serra?
What is the average length of the day in December in Bom Jesus da Serra?
When is the sunrise / sunset in December in Bom Jesus da Serra?
How many hours of sunshine does Bom Jesus da Serra have in December?
What is the month with the highest UV index in Bom Jesus da Serra?
What is the UV index reading in December in Bom Jesus da Serra?
Average temperature in December
Bom Jesus da Serra, Brazil
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is February (28.1°C).
The month with the lowest average high temperature is July (23.5°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is March (18.8°C).
The coldest month (with the lowest average low temperature) is August (15.4°C).
Average pressure in December
Bom Jesus da Serra, Brazil
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1013.2mbar).
Average wind speed in December
Bom Jesus da Serra, Brazil
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is September (10.2km/h).
The calmest month (with the lowest average wind speed) is March (7.1km/h).
Average humidity in December
Bom Jesus da Serra, Brazil
- Average humidity in December: 85%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is September (78%).
Average rainfall in December
Bom Jesus da Serra, Brazil
- Average rainfall in December: 128mm
The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in December
Bom Jesus da Serra, Brazil
- Average rainfall days in December: 23.6 days
The month with the highest number of rainy days is January (24.6 days).
The month with the least rainy days is September (14.5 days).
Average daylight in December /
Average sunshine in December
Bom Jesus da Serra, Brazil
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 0min).
The month with the least sunshine is July (Average sunshine: 5h and 18min).
Average sunshine days in December
Bom Jesus da Serra, Brazil
- Average sunshine days in December: 4.4 days
The month with the most sunshine days is September (10.1 days).
The month with the least sunshine days is February (3.7 days).
Average UV index in December
Bom Jesus da Serra, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in December
Bom Jesus da Serra, Brazil
- Average cloud cover in December: 65
The months with the most cloud cover are April and November (Cloud cover 67).
The month with the least cloud cover is September (Cloud cover 55).
Average visibility in December
Bom Jesus da Serra, Brazil
- Average visibility in December: 6km
The months with the highest visibility are September and October (8km).
The months with the lowest visibility are January, February, March, April, May and December (6km).
