December weather forecastPenalva, Brazil
December
Weather in December
The first month of the summer, December, is also a hot month in Penalva, Brazil, with an average temperature fluctuating between 32.5°C (90.5°F) and 23.1°C (73.6°F).Temperature
During December, the average high-temperature is a still hot 32.5°C (90.5°F), maintaining a close resemblance to that of the preceding month. During December, Penalva experiences an average low-temperature of 23.1°C (73.6°F) at night.Heat index
The heat index in December is appraised at a blazing hot 45°C (113°F). Attention: Heat exhaustion and heat cramps are quite likely. Heatstroke becomes a risk with continued exertion.For clarity, heat index numbers account for light winds and areas under shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in December in Penalva is 78%.Rainfall
In Penalva, Brazil, in December, during 26.5 rainfall days, 133mm (5.24") of precipitation is typically accumulated. In Penalva, during the entire year, the rain falls for 265.4 days and collects up to 1410mm (55.51") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 18min of daylight.On the first day of the month, sunrise is at 05:40 and sunset at 17:58. On the last day of December, sunrise is at 05:54 and sunset at 18:13 -03.
Sunshine
The average sunshine in December in Penalva is 7.4h.UV index
January through April, June and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 6 in December transforms into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Penalva, Brazil
- Average high temperature in December: 32.5°C
The warmest month (with the highest average high temperature) is October (35.1°C).
The month with the lowest average high temperature is April (30.2°C).
- Average low temperature in December: 23.1°C
The month with the highest average low temperature is November (23.8°C).
The coldest month (with the lowest average low temperature) is July (21.2°C).
Average pressure in December
Penalva, Brazil
- Average pressure in December: 1009.8mbar
The month with the highest atmospheric pressure is July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in December
Penalva, Brazil
- Average wind speed in December: 7.5km/h
The windiest month (with the highest average wind speed) is October (8.6km/h).
The calmest month (with the lowest average wind speed) is April (5.1km/h).
Average humidity in December
Penalva, Brazil
- Average humidity in December: 78%
The months with the highest relative humidity are March, April and May (90%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Penalva, Brazil
- Average rainfall in December: 133mm
The wettest month (with the highest rainfall) is April (250mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Penalva, Brazil
- Average rainfall days in December: 26.5 days
The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is September (10.7 days).
Average daylight in December /
Average sunshine in December
Penalva, Brazil
- Average daylight in December: 12h and 18min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in December: 7h and 24min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is May (Average sunshine: 5h and 48min).
Average sunshine days in December
Penalva, Brazil
- Average sunshine days in December: 2.8 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is March (0 days).
Average UV index in December
Penalva, Brazil
- Average UV index in December: 6
The months with the highest UV index are May, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, June and December (UV index 6).
Average cloud cover in December
Penalva, Brazil
- Average cloud cover in December: 54
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Penalva, Brazil
- Average visibility in December: 8km
The month with the highest visibility is October (10km).
The months with the lowest visibility are February, March, April and May (6km).
