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 marks a slight shift to an average high-temperature of a still warm 27.1°C (80.8°F) from November's 26.3°C (79.3°F). In the month of December, the nighttime temperature dips to a steady average of 18.8°C (65.8°F).Heat index
December's average heat index is calculated to be a tropical 31°C (87.8°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in December is 87%.Rainfall
December is the month with the most rainfall. Rain falls for 26.6 days and accumulates 206mm (8.11") of precipitation.Daylight
December has the longest days of the year in Dom Silvério, Brazil, with an average of 13h and 18min of daylight.On the first day of December in Dom Silvério, sunrise is at 05:03 and sunset at 18:19. On the last day of the month, sunrise is at 05:15 and sunset at 18:35 -03.
Sunshine
In Dom Silvério, Brazil, the average sunshine in December is 6.9h.UV index
The months with the lowest UV index in Dom Silvério are February through December, with an average maximum UV index of 5. 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: The maximum daily UV index of 5 during December translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Dom Silvério?
What is the average humidity in December in Dom Silvério?
What is the wettest month in Dom Silvério?
How many days does it rain in December in Dom Silvério?
When are the longest days in Dom Silvério?
What is the average length of the day in December in Dom Silvério?
When are sunrise and sunset in December in Dom Silvério?
How many hours of sunshine does Dom Silvério have in December?
When is the lowest UV index in Dom Silvério?
What is the UV index reading in December in Dom Silvério?
Average temperature in December
Dom Silvério, Brazil
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).
Average pressure in December
Dom Silvério, Brazil
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Dom Silvério, Brazil
- Average wind speed in December: 7.2km/h
The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).
Average humidity in December
Dom Silvério, Brazil
- Average humidity in December: 87%
The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).
Average rainfall in December
Dom Silvério, Brazil
- Average rainfall in December: 206mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in December
Dom Silvério, Brazil
- Average rainfall days in December: 26.6 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in December /
Average sunshine in December
Dom Silvério, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in December
Dom Silvério, Brazil
- Average sunshine days in December: 2.2 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in December
Dom Silvério, Brazil
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Dom Silvério, Brazil
- Average cloud cover in December: 60
The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Dom Silvério, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (6km).
