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
Weather in December
Temperature
December is the warmest month of the year, registering average temperatures as high as 27.6°C (81.7°F) and as low as 18.6°C (65.5°F).Heat index
December's heat index is evaluated at a hot 31°C (87.8°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 22.5 days. Throughout December, 140mm (5.51") of precipitation is accumulated. In Campinas, during the entire year, the rain falls for 181.6 days and collects up to 1038mm (40.87") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 30min of daylight.On the first day of December, sunrise is at 05:14 and sunset at 18:40. On the last day of the month, sunrise is at 05:26 and sunset at 18:57 -03.
Sunshine
In December, the average sunshine in Campinas is 7.7h.UV index
The months with the highest UV index in Campinas are January, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the warmest months in Campinas?
What is the usual temperature for Campinas in December?
What is the average humidity in December in Campinas?
How many days does it rain in December in Campinas?
When are the longest days in Campinas?
What is the average length of the day in December in Campinas?
When is the sunrise / sunset in December in Campinas?
How many hours of sunshine does Campinas have in December?
When is the highest UV index in Campinas?
How high is the UV index in December in Campinas?
Average temperature in December
Campinas, Brazil
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is December (27.6°C).
The month with the lowest average high temperature is June (21.7°C).
- Average low temperature in December: 18.6°C
The month with the highest average low temperature is January (18.7°C).
The coldest months (with the lowest average low temperature) are June and July (12.9°C).
Average pressure in December
Campinas, Brazil
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in December
Campinas, Brazil
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is October (11.8km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).
Average humidity in December
Campinas, Brazil
- Average humidity in December: 81%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is September (68%).
Average rainfall in December
Campinas, Brazil
- Average rainfall in December: 140mm
The wettest month (with the highest rainfall) is January (202mm).
The driest month (with the least rainfall) is August (26mm).
Average rainfall days in December
Campinas, Brazil
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is January (24.8 days).
The month with the least rainy days is August (6.3 days).
Average daylight in December /
Average sunshine in December
Campinas, 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: 7h and 4min
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 18min).
Average sunshine days in December
Campinas, Brazil
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in December
Campinas, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, October, November and December (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August and September (UV index 5).
Average cloud cover in December
Campinas, Brazil
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Campinas, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June and December (8km).
Campinas, Brazil
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