December weather forecastAntonina, Brazil
December
Weather in December
December, the first month of the summer in Antonina, is still a warm month, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 20.2°C (68.4°F).Temperature
The advent of December observes an average high-temperature of a still moderately hot 28.5°C (83.3°F), nearly identical to November's 26.2°C (79.2°F). The average temperature during December nights in Antonina is registered at an agreeable 20.2°C (68.4°F).Heat index
For most parts of December, the heat index is evaluated at a tropical 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
January, February and December, with an average relative humidity of 82%, are the least humid months in Antonina.Rainfall
In Antonina, in December, during 21.6 rainfall days, 107mm (4.21") of precipitation is typically accumulated. Throughout the year, there are 204.4 rainfall days, and 1031mm (40.59") of precipitation is accumulated.Sea temperature
In Antonina, in December, the average water temperature is 24.7°C (76.5°F).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 24.7°C (76.5°F) waters. (For comparison, the Olympic swimming standard is set between 25°C (77°F) and 28°C (82.4°F).)
Daylight
December has the longest days of the year in Antonina, Brazil, with an average of 13h and 42min of daylight.On the first day of the month, sunrise is at 05:15 and sunset at 18:52. On the last day of December, sunrise is at 05:27 and sunset at 19:08 -03.
Sunshine
The average sunshine in December is 6.6h.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Notice! The Sun's UV exposure elevates with sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Antonina, Brazil
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is January (29.4°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in December: 20.2°C
The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in December
Antonina, Brazil
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in December
Antonina, Brazil
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is November (7km/h).
The calmest months (with the lowest average wind speed) are June, July and August (5.9km/h).
Average humidity in December
Antonina, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are May, June and July (85%).
The months with the lowest relative humidity are January, February and December (82%).
Average rainfall in December
Antonina, Brazil
- Average rainfall in December: 107mm
The wettest month (with the highest rainfall) is February (141mm).
The driest months (with the least rainfall) are April and August (56mm).
Average rainfall days in December
Antonina, Brazil
- Average rainfall days in December: 21.6 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (11.6 days).
Average sea temperature in December
Antonina, Brazil
- Average sea temperature in December: 24.7°C
The best month for swimming (with the highest average sea temperature) is February (26.8°C).
The coldest month (with the lowest average sea temperature) is September (19.1°C).
Average daylight in December /
Average sunshine in December
Antonina, Brazil
- Average daylight in December: 13h and 42min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in December: 6h and 36min
The months with the most sunshine are January, April and August (Average sunshine: 6h and 54min).
The months with the least sunshine are October and November (Average sunshine: 6h and 6min).
Average sunshine days in December
Antonina, Brazil
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is July (17.3 days).
The month with the least sunshine days is January (5 days).
Average UV index in December
Antonina, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).
Average cloud cover in December
Antonina, Brazil
- Average cloud cover in December: 58
The months with the most cloud cover are October and November (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 49).
Average visibility in December
Antonina, Brazil
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, August, September and December (8km).
The months with the lowest visibility are July, October and November (7km).
