December weather forecastCaseiros, Brazil
December
Weather in December
December, the first month of the summer in Caseiros, is also a moderately hot month, with an average temperature varying between 16.5°C (61.7°F) and 26.8°C (80.2°F).Temperature
Caseiros's peak temperatures tend to occur in January and December, with an average high-temperature of 26.8°C (80.2°F).Humidity
The months with the lowest humidity in Caseiros are November and December, with an average relative humidity of 80%.Rainfall
In Caseiros, Brazil, in December, during 16.4 rainfall days, 83mm (3.27") of precipitation is typically accumulated. Throughout the year, in Caseiros, there are 171.3 rainfall days, and 1098mm (43.23") of precipitation is accumulated.Snowfall
In Caseiros, snow does not fall in January through June, August through December.Daylight
December has the longest days of the year in Caseiros, with an average of 13h and 54min of daylight.On the first day of December in Caseiros, sunrise is at 05:21 and sunset at 19:10. On the last day of the month, sunrise is at 05:32 and sunset at 19:27 -03.
Sunshine
In December, the average sunshine in Caseiros, Brazil, is 8.4h.UV index
The months with the highest UV index in Caseiros are November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caseiros, Brazil
- Average high temperature in December: 26.8°C
The warmest months (with the highest average high temperature) are January and December (26.8°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in December: 16.5°C
The months with the highest average low temperature are January and February (17°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in December
Caseiros, Brazil
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Caseiros, Brazil
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is August (12.2km/h).
The calmest month (with the lowest average wind speed) is February (9.5km/h).
Average humidity in December
Caseiros, Brazil
- Average humidity in December: 80%
The month with the highest relative humidity is June (88%).
The months with the lowest relative humidity are November and December (80%).
Average rainfall in December
Caseiros, Brazil
- Average rainfall in December: 83mm
The wettest month (with the highest rainfall) is October (133mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in December
Caseiros, Brazil
- Average rainfall days in December: 16.4 days
The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is August (12.2 days).
Average snowfall days in December
Caseiros, Brazil
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Caseiros, Brazil
- Average daylight in December: 13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 8h and 24min
The month with the most sunshine is November (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in December
Caseiros, Brazil
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Caseiros, Brazil
- Average UV index in December: 6
The months with the highest UV index are November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 4).
Average cloud cover in December
Caseiros, Brazil
- Average cloud cover in December: 42
The month with the most cloud cover is May (Cloud cover 49).
The months with the least cloud cover are August and November (Cloud cover 38).
Average visibility in December
Caseiros, Brazil
- Average visibility in December: 8km
The months with the highest visibility are March, April, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February and May (7km).





