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
At the onset of December, Santo André records an average high-temperature of a still warm 26.5°C (79.7°F), showing little deviation from the preceding month. The month of December records an average low-temperature of 19.7°C (67.5°F) in Santo André.Humidity
The average relative humidity in December is 82%.Rainfall
In Santo André, Brazil, in December, during 22.8 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, in Santo André, there are 217.7 rainfall days, and 1056mm (41.57") of precipitation is accumulated.Daylight
December has the longest days of the year in Santo André, with an average of 13h and 36min of daylight.On the first day of December, sunrise is at 05:10 and sunset at 18:40. On the last day of the month, sunrise is at 05:22 and sunset at 18:56 -03.
Sunshine
The average sunshine in December is 7.2h.UV index
The months with the highest UV index are January, March, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: In December, a daily UV index of 6 turns into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Santo André?
What is the average humidity in December in Santo André?
How many days does it rain in December in Santo André?
When are the longest days in Santo André?
What is the average length of the day in December in Santo André?
When is the sunrise / sunset in December in Santo André?
How long on average sun shines in December in Santo André?
What is the month with the highest UV index in Santo André?
What is the UV index reading in December in Santo André?
Average temperature in December
Santo André, Brazil
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is February (27.3°C).
The month with the lowest average high temperature is July (21.4°C).
- Average low temperature in December: 19.7°C
The month with the highest average low temperature is January (20.4°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average pressure in December
Santo André, Brazil
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in December
Santo André, Brazil
- Average wind speed in December: 9.4km/h
The windiest month (with the highest average wind speed) is November (10.1km/h).
The calmest month (with the lowest average wind speed) is February (8.1km/h).
Average humidity in December
Santo André, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Santo André, Brazil
- Average rainfall in December: 127mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (37mm).
Average rainfall days in December
Santo André, Brazil
- Average rainfall days in December: 22.8 days
The month with the highest number of rainy days is January (26.7 days).
The month with the least rainy days is August (10.9 days).
Average daylight in December /
Average sunshine in December
Santo André, Brazil
- Average daylight in December: 13h and 4min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in December: 7h and 1min
The month with the most sunshine is September (Average sunshine: 7h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in December
Santo André, Brazil
- Average sunshine days in December: 6.8 days
The month with the most sunshine days is August (17.2 days).
The month with the least sunshine days is February (3.1 days).
Average UV index in December
Santo André, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, March, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June, July, August and September (UV index 5).
Average cloud cover in December
Santo André, Brazil
- Average cloud cover in December: 51
The month with the most cloud cover is November (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Santo André, Brazil
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (8km).
