December weather forecastIlha Solteira, Brazil
December
Weather in December
The first month of the summer, December, is also a hot month in Ilha Solteira, Brazil, with an average temperature ranging between min 22.3°C (72.1°F) and max 31°C (87.8°F).Temperature
The beginning of December records an average high-temperature of a still hot 31°C (87.8°F), almost echoing the conditions of the previous month. An average low-temperature of 22.3°C (72.1°F) is recorded during the nights in December in Ilha Solteira, Brazil.Heat index
The heat index value during December is evaluated at an extremely hot 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Heat index details are generally centered around shaded locations and a mild breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
In Ilha Solteira, the average relative humidity in December is 77%.Rainfall
In Ilha Solteira, in December, during 25.4 rainfall days, 175mm (6.89") of precipitation is typically accumulated. In Ilha Solteira, during the entire year, the rain falls for 190.1 days and collects up to 1155mm (45.47") of precipitation.Daylight
December has the longest days of the year in Ilha Solteira, with an average of 13h and 18min of daylight.On the first day of December in Ilha Solteira, sunrise is at 05:36 and sunset at 18:53. On the last day of the month, sunrise is at 05:48 and sunset at 19:09 -03.
Sunshine
The average sunshine in December in Ilha Solteira, Brazil, is 9.4h.UV index
In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ilha Solteira, Brazil
- Average high temperature in December: 31°C
The warmest months (with the highest average high temperature) are September and October (32.9°C).
The month with the lowest average high temperature is June (26.1°C).
- Average low temperature in December: 22.3°C
The month with the highest average low temperature is December (22.3°C).
The coldest month (with the lowest average low temperature) is July (16.3°C).
Average pressure in December
Ilha Solteira, Brazil
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is July (1017.6mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in December
Ilha Solteira, Brazil
- Average wind speed in December: 7.4km/h
The windiest month (with the highest average wind speed) is August (9.8km/h).
The calmest month (with the lowest average wind speed) is March (6.4km/h).
Average humidity in December
Ilha Solteira, Brazil
- Average humidity in December: 77%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Ilha Solteira, Brazil
- Average rainfall in December: 175mm
The wettest month (with the highest rainfall) is January (195mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in December
Ilha Solteira, Brazil
- Average rainfall days in December: 25.4 days
The month with the highest number of rainy days is January (27.4 days).
The month with the least rainy days is August (3.8 days).
Average daylight in December /
Average sunshine in December
Ilha Solteira, Brazil
- Average daylight in December: 13h and 18min
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: 9h and 24min
The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).
Average sunshine days in December
Ilha Solteira, Brazil
- Average sunshine days in December: 4.9 days
The month with the most sunshine days is August (26.4 days).
The month with the least sunshine days is February (2.8 days).
Average UV index in December
Ilha Solteira, Brazil
- Average UV index in December: 6
The months with the highest UV index are August and October (UV index 7).
The month with the lowest UV index is May (UV index 5).
Average cloud cover in December
Ilha Solteira, Brazil
- Average cloud cover in December: 42
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Ilha Solteira, Brazil
- Average visibility in December: 9km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April and May (8km).





