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 average high-temperature in December, at a still warm 25.7°C (78.3°F), reveals a modest deviation from November's 25.1°C (77.2°F). Rio Piracicaba observes an average low-temperature of 18.5°C (65.3°F) during December nights.Humidity
The average relative humidity in December is 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 28.5 days and typically aggregates up to 228mm (8.98") of precipitation.Daylight
December has the longest days of the year in Rio Piracicaba, with an average of 13h and 18min of daylight.On the first day of the month, sunrise is at 05:04 and sunset at 18:19. On the last day of December, in Rio Piracicaba, sunrise is at 05:16 and sunset at 18:35 -03.
Sunshine
The average sunshine in December in Rio Piracicaba is 6.2h.UV index
The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in December translates into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are December temperatures in Rio Piracicaba?
What is the average humidity in December in Rio Piracicaba?
What is the rainiest month in Rio Piracicaba?
How much does it rain in Rio Piracicaba in December?
When are the longest days in Rio Piracicaba?
How many hours of daylight does Rio Piracicaba have in December?
When are sunrise and sunset in December in Rio Piracicaba?
How many hours of sunshine does Rio Piracicaba have in December?
What are the months with the lowest UV index in Rio Piracicaba?
How high is the UV index in December in Rio Piracicaba?
Average temperature in December
Rio Piracicaba, Brazil
- Average high temperature in December: 25.7°C
The warmest month (with the highest average high temperature) is February (26.3°C).
The month with the lowest average high temperature is June (22°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is December (18.5°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in December
Rio Piracicaba, Brazil
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in December
Rio Piracicaba, Brazil
- Average wind speed in December: 6.1km/h
The windiest months (with the highest average wind speed) are September and October (7.2km/h).
The calmest month (with the lowest average wind speed) is May (5km/h).
Average humidity in December
Rio Piracicaba, Brazil
- Average humidity in December: 89%
The months with the highest relative humidity are March and April (90%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Rio Piracicaba, Brazil
- Average rainfall in December: 228mm
The wettest month (with the highest rainfall) is December (228mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in December
Rio Piracicaba, Brazil
- Average rainfall days in December: 28.5 days
The month with the highest number of rainy days is December (28.5 days).
The month with the least rainy days is August (11.5 days).
Average daylight in December /
Average sunshine in December
Rio Piracicaba, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is September (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in December
Rio Piracicaba, Brazil
- Average sunshine days in December: 1.5 days
The month with the most sunshine days is August (15.1 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in December
Rio Piracicaba, Brazil
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Rio Piracicaba, Brazil
- Average cloud cover in December: 68
The month with the most cloud cover is March (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Rio Piracicaba, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are January, February, March, April, May and December (6km).
Rio Piracicaba, Brazil
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