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 snowfall 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
Temperatures reach their maximum during January and December, recording an average high-temperature of 28.2°C (82.8°F).Heat index
Throughout December, the heat index is appraised at a tropical 32°C (89.6°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Santo Augusto, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 20.9 days. Throughout December, 125mm (4.92") of precipitation is accumulated. Throughout the year, in Santo Augusto, there are 194.6 rainfall days, and 1330mm (52.36") of precipitation is accumulated.Snowfall
January through June, August through December are months without snowfall in Santo Augusto, Brazil.Daylight
December has the longest days of the year in Santo Augusto, Brazil, with an average of 13h and 54min of daylight.On the first day of December in Santo Augusto, Brazil, sunrise is at 05:30 and sunset at 19:17. On the last day of the month, sunrise is at 05:42 and sunset at 19:34 -03.
Sunshine
With an average of 8.6h of sunshine, December has the most sunshine of the year in Santo Augusto.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Santo Augusto. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during December translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What time of the year is the hottest in Santo Augusto?
How hot is December in Santo Augusto?
What is the average humidity in December in Santo Augusto?
How many days does it rain in December in Santo Augusto?
When it does not snow in Santo Augusto?
When are the longest days in Santo Augusto?
How many hours of daylight does Santo Augusto have in December?
When is the sunrise / sunset in December in Santo Augusto?
What month has the most sunshine in Santo Augusto?
How long on average sun shines in December in Santo Augusto?
When is the highest UV index in Santo Augusto?
How high is the UV index in December in Santo Augusto?
Average temperature in December
Santo Augusto, Brazil
- Average high temperature in December: 28.2°C
The warmest months (with the highest average high temperature) are January and December (28.2°C).
The month with the lowest average high temperature is July (17.7°C).
- Average low temperature in December: 18°C
The month with the highest average low temperature is January (18.1°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in December
Santo Augusto, Brazil
- Average pressure in December: 1010.5mbar
The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).
Average wind speed in December
Santo Augusto, Brazil
- Average wind speed in December: 9.8km/h
The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is February (9km/h).
Average humidity in December
Santo Augusto, Brazil
- Average humidity in December: 77%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Santo Augusto, Brazil
- Average rainfall in December: 125mm
The wettest month (with the highest rainfall) is October (155mm).
The driest month (with the least rainfall) is August (74mm).
Average rainfall days in December
Santo Augusto, Brazil
- Average rainfall days in December: 20.9 days
The month with the highest number of rainy days is January (23.5 days).
The month with the least rainy days is August (11.8 days).
Average snowfall days in December
Santo Augusto, 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
Santo Augusto, Brazil
- Average daylight in December: 13h and 5min
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 4min
The month with the most sunshine is December (Average sunshine: 8h and 36min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in December
Santo Augusto, Brazil
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in December
Santo Augusto, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, November and December (UV index 6).
The month with the lowest UV index is May (UV index 3).
Average cloud cover in December
Santo Augusto, Brazil
- Average cloud cover in December: 37
The months with the most cloud cover are February and May (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility in December
Santo Augusto, Brazil
- Average visibility in December: 9km
The months with the highest visibility are November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and October (8km).
Santo Augusto, Brazil
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