December weather forecastPenápolis, Brazil
December
Weather in December
The first month of the summer, December, is still a tropical month in Penápolis, Brazil, with an average temperature varying between 30°C (86°F) and 21.3°C (70.3°F).Temperature
The arrival of December is marked by an average high-temperature of a still tropical 30°C (86°F), bearing a close resemblance to November. In Penápolis, an average low-temperature of 21.3°C (70.3°F) is recorded during December nights.Heat index
For December, the heat index is evaluated at a sweltering 37°C (98.6°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The average relative humidity in December is 79%.Rainfall
In Penápolis, in December, it is raining for 26.2 days, with typically 179mm (7.05") of accumulated precipitation. In Penápolis, Brazil, during the entire year, the rain falls for 191.8 days and collects up to 1152mm (45.35") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 24min of daylight.On the first day of the month, sunrise is at 05:29 and sunset at 18:49. On the last day of December, in Penápolis, sunrise is at 05:41 and sunset at 19:06 -03.
Sunshine
The average sunshine in December is 7.7h.UV index
The months with the highest UV index are January through April, June through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Penápolis, Brazil
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is June (24.6°C).
- Average low temperature in December: 21.3°C
The month with the highest average low temperature is December (21.3°C).
The coldest months (with the lowest average low temperature) are June and July (15.5°C).
Average pressure in December
Penápolis, Brazil
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is July (1017.9mbar).
The months with the lowest atmospheric pressure are November and December (1009.9mbar).
Average wind speed in December
Penápolis, Brazil
- Average wind speed in December: 8.2km/h
The windiest month (with the highest average wind speed) is August (10.8km/h).
The calmest month (with the lowest average wind speed) is February (7.3km/h).
Average humidity in December
Penápolis, Brazil
- Average humidity in December: 79%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Penápolis, Brazil
- Average rainfall in December: 179mm
The wettest month (with the highest rainfall) is January (198mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in December
Penápolis, Brazil
- Average rainfall days in December: 26.2 days
The month with the highest number of rainy days is January (28.3 days).
The months with the least rainy days are July and August (4.1 days).
Average daylight in December /
Average sunshine in December
Penápolis, Brazil
- Average daylight in December: 13h and 24min
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 54min).
- Average sunshine in December: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in December
Penápolis, Brazil
- Average sunshine days in December: 4 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is January (2.1 days).
Average UV index in December
Penápolis, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is May (UV index 5).
Average cloud cover in December
Penápolis, Brazil
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Penápolis, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (8km).
