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
The onset of December marks an average high-temperature of a still moderately hot 26.5°C (79.7°F), hardly differing from November's 24.6°C (76.3°F). In Ribeirão Pires, in December, the average low-temperature is an enjoyable 19.6°C (67.3°F).Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 25.7 days. Throughout December, 136mm (5.35") of precipitation is accumulated. Throughout the year, there are 222.1 rainfall days, and 1113mm (43.82") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 13h and 36min of daylight.On the first day of the month, sunrise is at 05:10 and sunset at 18:39. On the last day of December, in Ribeirão Pires, Brazil, sunrise is at 05:21 and sunset at 18:56 -03.
Sunshine
The average sunshine in December is 7.1h.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 threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are the temperatures in Ribeirão Pires in December?
What is the average humidity in December in Ribeirão Pires?
How much does it rain in Ribeirão Pires in December?
When are the longest days in Ribeirão Pires?
What is the average length of the day in December in Ribeirão Pires?
When are sunrise and sunset in December in Ribeirão Pires?
How long on average sun shines in December in Ribeirão Pires?
When is the highest UV index in Ribeirão Pires?
What is the UV index reading in December in Ribeirão Pires?
Average temperature in December
Ribeirão Pires, 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 June (21.4°C).
- Average low temperature in December: 19.6°C
The months with the highest average low temperature are January and February (20.3°C).
The coldest months (with the lowest average low temperature) are July and August (14.6°C).
Average pressure in December
Ribeirão Pires, 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
Ribeirão Pires, Brazil
- Average wind speed in December: 9.3km/h
The windiest month (with the highest average wind speed) is November (10km/h).
The calmest month (with the lowest average wind speed) is February (8km/h).
Average humidity in December
Ribeirão Pires, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are March, April and November (84%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Ribeirão Pires, Brazil
- Average rainfall in December: 136mm
The wettest month (with the highest rainfall) is January (218mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in December
Ribeirão Pires, Brazil
- Average rainfall days in December: 25.7 days
The month with the highest number of rainy days is January (27.6 days).
The month with the least rainy days is August (9.8 days).
Average daylight in December /
Average sunshine in December
Ribeirão Pires, 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 54min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in December
Ribeirão Pires, Brazil
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is January (2.1 days).
Average UV index in December
Ribeirão Pires, 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
Ribeirão Pires, Brazil
- Average cloud cover in December: 51
The month with the most cloud cover is November (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Ribeirão Pires, Brazil
- Average visibility in December: 8km
The months with the highest visibility are February, May, June, July, August and September (9km).
The months with the lowest visibility are January, March, April, October, November and December (8km).
Ribeirão Pires, Brazil
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