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 start of December sees the average high-temperature at a still moderately hot 27.1°C (80.8°F), showing little difference from November's 26.6°C (79.9°F). The temperature dips to an average of 18.2°C (64.8°F) during December nights.Heat index
In December, the average heat index is computed to be a hot 30°C (86°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in December is 83%.Rainfall
In Monte Alegre do Sul, during December, the rain falls for 27.6 days and regularly aggregates up to 179mm (7.05") of precipitation. Throughout the year, in Monte Alegre do Sul, there are 215.2 rainfall days, and 1257mm (49.49") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of December, sunrise is at 05:13 and sunset at 18:38. On the last day of the month, sunrise is at 05:24 and sunset at 18:55 -03.
Sunshine
The average sunshine in December in Monte Alegre do Sul, Brazil, is 8h.UV index
The months with the lowest UV index are January through September and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Monte Alegre do Sul in December?
What is the average humidity in December in Monte Alegre do Sul?
How much does it rain in Monte Alegre do Sul in December?
When are the longest days in Monte Alegre do Sul?
What is the average length of the day in December in Monte Alegre do Sul?
When is the sunrise / sunset in December in Monte Alegre do Sul?
How many hours of sunshine does Monte Alegre do Sul have in December?
What are the months with the lowest UV index in Monte Alegre do Sul?
How high is the UV index in December in Monte Alegre do Sul?
Average temperature in December
Monte Alegre do Sul, Brazil
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is October (27.4°C).
The month with the lowest average high temperature is June (21.6°C).
- Average low temperature in December: 18.2°C
The month with the highest average low temperature is December (18.2°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).
Average pressure in December
Monte Alegre do Sul, Brazil
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in December
Monte Alegre do Sul, Brazil
- Average wind speed in December: 8.1km/h
The windiest months (with the highest average wind speed) are September and October (9.5km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in December
Monte Alegre do Sul, Brazil
- Average humidity in December: 83%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (68%).
Average rainfall in December
Monte Alegre do Sul, Brazil
- Average rainfall in December: 179mm
The wettest month (with the highest rainfall) is January (239mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in December
Monte Alegre do Sul, Brazil
- Average rainfall days in December: 27.6 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (6.8 days).
Average daylight in December /
Average sunshine in December
Monte Alegre do Sul, 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: 8h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).
Average sunshine days in December
Monte Alegre do Sul, Brazil
- Average sunshine days in December: 2.5 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is January (1.6 days).
Average UV index in December
Monte Alegre do Sul, Brazil
- Average UV index in December: 5
The months with the highest UV index are October and November (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 5).
Average cloud cover in December
Monte Alegre do Sul, Brazil
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Monte Alegre do Sul, 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 and May (7km).
