December weather forecastPiraju, Brazil
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Piraju, Brazil, with an average temperature varying between 19.1°C (66.4°F) and 28.7°C (83.7°F).Temperature
During October and December, Piraju experiences its peak temperatures, averaging a high-temperature of 28.7°C (83.7°F).Heat index
The heat index value for December is evaluated at a tropical 34°C (93.2°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
The average relative humidity in December in Piraju is 82%.Rainfall
In Piraju, Brazil, in December, during 24.5 rainfall days, 143mm (5.63") of precipitation is typically accumulated. In Piraju, during the entire year, the rain falls for 192.1 days and collects up to 1089mm (42.87") of precipitation.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:22 and sunset at 18:50. On the last day of the month, sunrise is at 05:34 and sunset at 19:06 -03.
Sunshine
In December, the average sunshine is 7.6h.UV index
The months with the lowest UV index in Piraju are February, April through July and 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 ordinary individuals.Note: The daily high UV index of 5 in December translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Piraju, Brazil
- Average high temperature in December: 28.7°C
The warmest months (with the highest average high temperature) are October and December (28.7°C).
The month with the lowest average high temperature is June (22.2°C).
- Average low temperature in December: 19.1°C
The month with the highest average low temperature is January (19.4°C).
The coldest months (with the lowest average low temperature) are June and July (13.3°C).
Average pressure in December
Piraju, Brazil
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in December
Piraju, Brazil
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is September (10.7km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity in December
Piraju, Brazil
- Average humidity in December: 82%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (67%).
Average rainfall in December
Piraju, Brazil
- Average rainfall in December: 143mm
The wettest month (with the highest rainfall) is January (200mm).
The driest month (with the least rainfall) is August (27mm).
Average rainfall days in December
Piraju, Brazil
- Average rainfall days in December: 24.5 days
The month with the highest number of rainy days is January (26.5 days).
The month with the least rainy days is August (5.4 days).
Average daylight in December /
Average sunshine in December
Piraju, Brazil
- Average daylight in December: 13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in December: 7h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in December
Piraju, Brazil
- Average sunshine days in December: 5.2 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is February (3.1 days).
Average UV index in December
Piraju, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, March, August, September, October and November (UV index 6).
The months with the lowest UV index are February, April, May, June, July and December (UV index 5).
Average cloud cover in December
Piraju, Brazil
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Piraju, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and May (7km).





