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 onset of December brings an average high-temperature of a still warm 24.4°C (75.9°F), nearly matching the November temperature. São Sebastião da Bela Vista experiences an average nighttime temperature of 15.9°C (60.6°F) in the month of December.Humidity
In December, the average relative humidity is 89%.Rainfall
In São Sebastião da Bela Vista, in December, during 29.8 rainfall days, 244mm (9.61") of precipitation is typically accumulated. In São Sebastião da Bela Vista, during the entire year, the rain falls for 240.7 days and collects up to 1542mm (60.71") of precipitation.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 05:10 and sunset at 18:34. On the last day of the month, sunrise is at 05:22 and sunset at 18:50 -03.
Sunshine
In December, the average sunshine is 6.8h.UV index
January through March, August through December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in December transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
How many hours of daylight does São Sebastião da Bela Vista have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the highest UV index?
What is the UV index reading in December?
Average temperature in December
São Sebastião da Bela Vista, Brazil
- Average high temperature in December: 24.4°C
The warmest month (with the highest average high temperature) is February (24.6°C).
The month with the lowest average high temperature is June (19.6°C).
- Average low temperature in December: 15.9°C
The month with the highest average low temperature is December (15.9°C).
The coldest month (with the lowest average low temperature) is July (9.9°C).
Average pressure in December
São Sebastião da Bela Vista, Brazil
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in December
São Sebastião da Bela Vista, Brazil
- Average wind speed in December: 5.5km/h
The windiest month (with the highest average wind speed) is September (6.4km/h).
The calmest months (with the lowest average wind speed) are February and April (5km/h).
Average humidity in December
São Sebastião da Bela Vista, Brazil
- Average humidity in December: 89%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
São Sebastião da Bela Vista, Brazil
- Average rainfall in December: 244mm
The wettest month (with the highest rainfall) is January (305mm).
The driest month (with the least rainfall) is June (21mm).
Average rainfall days in December
São Sebastião da Bela Vista, Brazil
- Average rainfall days in December: 29.8 days
The month with the highest number of rainy days is January (29.9 days).
The month with the least rainy days is August (8.2 days).
Average daylight in December /
Average sunshine in December
São Sebastião da Bela Vista, 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: 6h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in December
São Sebastião da Bela Vista, Brazil
- Average sunshine days in December: 0.4 days
The month with the most sunshine days is August (21 days).
The month with the least sunshine days is December (0.4 days).
Average UV index in December
São Sebastião da Bela Vista, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 5).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in December
São Sebastião da Bela Vista, Brazil
- Average cloud cover in December: 63
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
São Sebastião da Bela Vista, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August and September (8km).
The month with the lowest visibility is May (5km).
