December weather forecastAstolfo Dutra, Brazil
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Astolfo Dutra, Brazil, with an average temperature varying between 19.6°C (67.3°F) and 27.9°C (82.2°F).Temperature
Astolfo Dutra observes an average high-temperature of a still moderately hot 27.9°C (82.2°F) in December, barely different from 26.7°C (80.1°F) in November. Astolfo Dutra encounters an average low-temperature of 19.6°C (67.3°F) during December nights.Heat index
The heat index value for December is appraised at a hot 33°C (91.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The average relative humidity in December in Astolfo Dutra is 88%.Rainfall
December is the month with the most rainfall. Rain falls for 27.9 days and accumulates 240mm (9.45") of precipitation.Daylight
December has the longest days of the year in Astolfo Dutra, with an average of 13h and 24min of daylight.On the first day of December in Astolfo Dutra, sunrise is at 05:00 and sunset at 18:20. On the last day of the month, sunrise is at 05:12 and sunset at 18:36 -03.
Sunshine
In December, the average sunshine is 7.1h.UV index
The months with the highest UV index in Astolfo Dutra, Brazil, are January, August through October and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Astolfo Dutra, Brazil
- Average high temperature in December: 27.9°C
The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is June (23.8°C).
- Average low temperature in December: 19.6°C
The months with the highest average low temperature are January and December (19.6°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in December
Astolfo Dutra, Brazil
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in December
Astolfo Dutra, Brazil
- Average wind speed in December: 5.6km/h
The windiest month (with the highest average wind speed) is October (6.6km/h).
The calmest months (with the lowest average wind speed) are March and April (4.7km/h).
Average humidity in December
Astolfo Dutra, Brazil
- Average humidity in December: 88%
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (73%).
Average rainfall in December
Astolfo Dutra, Brazil
- Average rainfall in December: 240mm
The wettest month (with the highest rainfall) is December (240mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in December
Astolfo Dutra, Brazil
- Average rainfall days in December: 27.9 days
The month with the highest number of rainy days is December (27.9 days).
The month with the least rainy days is July (8.3 days).
Average daylight in December /
Average sunshine in December
Astolfo Dutra, Brazil
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 7h and 6min
The months with the most sunshine are February, July and September (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in December
Astolfo Dutra, Brazil
- Average sunshine days in December: 1.4 days
The month with the most sunshine days is July (18.7 days).
The month with the least sunshine days is December (1.4 days).
Average UV index in December
Astolfo Dutra, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, August, September, October and December (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July and November (UV index 5).
Average cloud cover in December
Astolfo Dutra, Brazil
- Average cloud cover in December: 59
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in December
Astolfo Dutra, Brazil
- Average visibility in December: 7km
The month with the highest visibility is September (9km).
The months with the lowest visibility are March, April and May (6km).





