December weather forecastParelhas, Brazil
December
Weather in December
December, the first month of the summer in Parelhas, is still a hot month, with an average temperature varying between 21.9°C (71.4°F) and 32.1°C (89.8°F).Temperature
Parelhas notes an average high-temperature of a still hot 32.1°C (89.8°F) in December, hardly diverging from November. An average low-temperature of 21.9°C (71.4°F) is noted during the month of December.Heat index
For most parts of December, the heat index is computed to be a sweltering 38°C (100.4°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In December, the average relative humidity in Parelhas is 62%.Rainfall
In December, in Parelhas, the rain falls for 7.7 days. Throughout December, 12mm (0.47") of precipitation is accumulated. In Parelhas, during the entire year, the rain falls for 137.8 days and collects up to 433mm (17.05") of precipitation.Daylight
The month with the longest days in Parelhas is December, with an average of 12h and 30min of daylight.On the first day of the month, sunrise is at 05:01 and sunset at 17:30. On the last day of December, sunrise is at 05:14 and sunset at 17:45 -03.
Sunshine
The average sunshine in December is 8.9h.UV index
January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 7 transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parelhas, Brazil
- Average high temperature in December: 32.1°C
The warmest month (with the highest average high temperature) is November (32.3°C).
The month with the lowest average high temperature is July (28.7°C).
- Average low temperature in December: 21.9°C
The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is August (19.1°C).
Average pressure in December
Parelhas, Brazil
- Average pressure in December: 1011.3mbar
The months with the highest atmospheric pressure are July and August (1015.3mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in December
Parelhas, Brazil
- Average wind speed in December: 24.3km/h
The windiest month (with the highest average wind speed) is September (27.9km/h).
The calmest month (with the lowest average wind speed) is April (17.4km/h).
Average humidity in December
Parelhas, Brazil
- Average humidity in December: 62%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (61%).
Average rainfall in December
Parelhas, Brazil
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is March (110mm).
The driest month (with the least rainfall) is September (2mm).
Average rainfall days in December
Parelhas, Brazil
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is March (23.1 days).
The month with the least rainy days is September (1.8 days).
Average daylight in December /
Average sunshine in December
Parelhas, Brazil
- Average daylight in December: 12h and 30min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in December: 8h and 54min
The months with the most sunshine are September and November (Average sunshine: 9h and 24min).
The month with the least sunshine is July (Average sunshine: 8h and 0min).
Average sunshine days in December
Parelhas, Brazil
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is September (26.2 days).
The months with the least sunshine days are March and April (6 days).
Average UV index in December
Parelhas, Brazil
- Average UV index in December: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in December
Parelhas, Brazil
- Average cloud cover in December: 30
The month with the most cloud cover is April (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in December
Parelhas, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (9km).
