December weather forecastCaiana, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Caiana, Brazil, with an average temperature ranging between max 25°C (77°F) and min 17.6°C (63.7°F).Temperature
The advent of December reveals an average high-temperature of a still moderately hot 25°C (77°F), showing minimal difference from the prior month. In Caiana, an average temperature of 17.6°C (63.7°F) is noted during December nights.Humidity
March, April and December, with an average relative humidity of 90%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 24.2 days and typically aggregates up to 140mm (5.51") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 24min of daylight.On the first day of December in Caiana, sunrise is at 04:57 and sunset at 18:15. On the last day of the month, sunrise is at 05:10 and sunset at 18:31 -03.
Sunshine
In Caiana, the average sunshine in December is 6.3h.UV index
January through April, June through October and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in December, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caiana, Brazil
- Average high temperature in December: 25°C
The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is June (21.6°C).
- Average low temperature in December: 17.6°C
The month with the highest average low temperature is January (17.7°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).
Average pressure in December
Caiana, Brazil
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in December
Caiana, Brazil
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is October (8km/h).
The calmest months (with the lowest average wind speed) are April and May (5.5km/h).
Average humidity in December
Caiana, Brazil
- Average humidity in December: 90%
The months with the highest relative humidity are March, April and December (90%).
The month with the lowest relative humidity is September (77%).
Average rainfall in December
Caiana, Brazil
- Average rainfall in December: 140mm
The wettest month (with the highest rainfall) is December (140mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in December
Caiana, Brazil
- Average rainfall days in December: 24.2 days
The month with the highest number of rainy days is March (25 days).
The month with the least rainy days is August (10.3 days).
Average daylight in December /
Average sunshine in December
Caiana, 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: 6h and 18min
The month with the most sunshine is September (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in December
Caiana, Brazil
- Average sunshine days in December: 4.4 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is December (4.4 days).
Average UV index in December
Caiana, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, June, July, August, September, October and December (UV index 5).
The months with the lowest UV index are May and November (UV index 4).
Average cloud cover in December
Caiana, Brazil
- Average cloud cover in December: 68
The months with the most cloud cover are November and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Caiana, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are January, February, March, April, May, June and December (6km).
