December weather forecastCaicó, Brazil
December
Weather in December
December, the first month of the summer in Caicó, is still a hot month, with an average temperature ranging between min 24.4°C (75.9°F) and max 34.9°C (94.8°F).Temperature
Welcoming December, Caicó notes an average high-temperature of a hot 34.9°C (94.8°F), nearly consistent with November's 35.5°C (95.9°F). Throughout December, Caicó's nights cool down to an average of 24.4°C (75.9°F).Heat index
The heat index for December is evaluated at an extremely hot 41°C (105.8°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In December, the average relative humidity in Caicó is 52%.Rainfall
In December, in Caicó, Brazil, the rain falls for 7.2 days. Throughout December, 15mm (0.59") of precipitation is accumulated. In Caicó, during the entire year, the rain falls for 122.6 days and collects up to 442mm (17.4") of precipitation.Daylight
With an average of 12h and 30min of daylight, December has the longest days of the year in Caicó.On the first day of the month, sunrise is at 05:03 and sunset at 17:31. On the last day of December, in Caicó, sunrise is at 05:16 and sunset at 17:46 -03.
Sunshine
In December, the average sunshine in Caicó is 9.2h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Caicó are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily maximum UV index of 7 leads to the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caicó, Brazil
- Average high temperature in December: 34.9°C
The warmest month (with the highest average high temperature) is November (35.5°C).
The month with the lowest average high temperature is July (31.8°C).
- Average low temperature in December: 24.4°C
The month with the highest average low temperature is December (24.4°C).
The coldest months (with the lowest average low temperature) are July and August (21.3°C).
Average pressure in December
Caicó, Brazil
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is July (1015.3mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in December
Caicó, Brazil
- Average wind speed in December: 19.8km/h
The windiest month (with the highest average wind speed) is September (24.2km/h).
The calmest month (with the lowest average wind speed) is March (13km/h).
Average humidity in December
Caicó, Brazil
- Average humidity in December: 52%
The months with the highest relative humidity are April and May (70%).
The month with the lowest relative humidity is November (50%).
Average rainfall in December
Caicó, Brazil
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is March (106mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in December
Caicó, Brazil
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is April (21.5 days).
The month with the least rainy days is September (0.9 days).
Average daylight in December /
Average sunshine in December
Caicó, 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 48min).
- Average sunshine in December: 9h and 12min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is March (Average sunshine: 8h and 36min).
Average sunshine days in December
Caicó, Brazil
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is September (29.2 days).
The month with the least sunshine days is April (7.2 days).
Average UV index in December
Caicó, Brazil
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Caicó, Brazil
- Average cloud cover in December: 25
The month with the most cloud cover is April (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 13).
Average visibility in December
Caicó, 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).
