December weather forecastRafard, Brazil
December
Weather in December
December, the first month of the summer in Rafard, is also a moderately hot month, with an average temperature varying between 19.6°C (67.3°F) and 29.3°C (84.7°F).Temperature
December, with its average high-temperature of 29.3°C (84.7°F) and an average low-temperature of 19.6°C (67.3°F), holds the record as the warmest month.Heat index
In December, the average heat index is estimated at a fiery hot 35°C (95°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in December in Rafard is 78%.Rainfall
In Rafard, in December, during 24.4 rainfall days, 170mm (6.69") of precipitation is typically accumulated. In Rafard, during the entire year, the rain falls for 185.7 days and collects up to 1196mm (47.09") of precipitation.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year in Rafard.On the first day of the month, sunrise is at 05:15 and sunset at 18:42. On the last day of December, in Rafard, sunrise is at 05:27 and sunset at 18:59 -03.
Sunshine
In Rafard, Brazil, the average sunshine in December is 7.7h.UV index
January, March, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rafard, Brazil
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in December: 19.6°C
The month with the highest average low temperature is January (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (13.7°C).
Average pressure in December
Rafard, Brazil
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in December
Rafard, Brazil
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is February (7.7km/h).
Average humidity in December
Rafard, Brazil
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (83%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Rafard, Brazil
- Average rainfall in December: 170mm
The wettest month (with the highest rainfall) is January (248mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in December
Rafard, Brazil
- Average rainfall days in December: 24.4 days
The month with the highest number of rainy days is January (25.9 days).
The month with the least rainy days is August (4.8 days).
Average daylight in December /
Average sunshine in December
Rafard, Brazil
- Average daylight in December: 13h and 30min
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 42min).
- Average sunshine in December: 7h and 42min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in December
Rafard, Brazil
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in December
Rafard, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, March, September, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June, July and August (UV index 5).
Average cloud cover in December
Rafard, Brazil
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Rafard, Brazil
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).





