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 advent of December denotes an average high-temperature of a still moderately hot 25.2°C (77.4°F), subtly different from November's 24°C (75.2°F). The average low-temperature of 17.6°C (63.7°F) is witnessed during December.Humidity
In Piau, the average relative humidity in December is 91%.Rainfall
The month with the most rainfall in Piau, Brazil, is December, when the rain falls for 29.1 days and typically aggregates up to 251mm (9.88") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 24min of daylight.On the first day of December, sunrise is at 05:01 and sunset at 18:23. On the last day of the month, sunrise is at 05:13 and sunset at 18:39 -03.
Sunshine
The average sunshine in December is 6.1h.UV index
January through December, with an average maximum UV index of 5, are months with the highest UV index in Piau. The months with the lowest UV index are January through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 5 during December, leads to the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are December temperatures in Piau?
What is the average humidity in December in Piau?
What is the wettest month in Piau?
How much does it rain in Piau in December?
When are the longest days in Piau?
How many hours of daylight does Piau have in December?
What time are sunrise and sunset in December in Piau?
How long on average sun shines in December in Piau?
When is the highest UV index in Piau?
When is the lowest UV index in Piau?
How high is the UV index in December in Piau?
Average temperature in December
Piau, Brazil
- Average high temperature in December: 25.2°C
The warmest month (with the highest average high temperature) is February (25.6°C).
The month with the lowest average high temperature is June (20.9°C).
- Average low temperature in December: 17.6°C
The months with the highest average low temperature are January and December (17.6°C).
The coldest month (with the lowest average low temperature) is July (12°C).
Average pressure in December
Piau, Brazil
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in December
Piau, Brazil
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).
Average humidity in December
Piau, Brazil
- Average humidity in December: 91%
The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Piau, Brazil
- Average rainfall in December: 251mm
The wettest month (with the highest rainfall) is December (251mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days in December
Piau, Brazil
- Average rainfall days in December: 29.1 days
The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is August (9.3 days).
Average daylight in December /
Average sunshine in December
Piau, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are August and September (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in December
Piau, Brazil
- Average sunshine days in December: 1.2 days
The month with the most sunshine days is August (18.6 days).
The month with the least sunshine days is December (1.2 days).
Average UV index in December
Piau, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Piau, Brazil
- Average cloud cover in December: 69
The month with the most cloud cover is November (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in December
Piau, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August and September (8km).
The months with the lowest visibility are April and May (5km).
Piau, Brazil
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