December weather forecastColares, Brazil
December
Weather in December
December, the first month of the summer in Colares, is still a tropical month, with an average temperature varying between 24.9°C (76.8°F) and 30.5°C (86.9°F).Temperature
Colares's shift into December sets the average high-temperature at a still hot 30.5°C (86.9°F), a figure that deviates only slightly from November's 31.4°C (88.5°F). Colares's average low-temperature during December nights is observed to be a warm 24.9°C (76.8°F).Heat index
December's average heat index is calculated to be a fiery hot 39°C (102.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.
Humidity
The average relative humidity in December in Colares is 78%.Rainfall
In Colares, during December, the rain falls for 24.7 days and regularly aggregates up to 172mm (6.77") of precipitation. Throughout the year, there are 315.6 rainfall days, and 2313mm (91.06") of precipitation is accumulated.Daylight
The month with the longest days in Colares is December, with an average of 12h and 12min of daylight.On the first day of the month, sunrise is at 05:57 and sunset at 18:07. On the last day of December, sunrise is at 06:11 and sunset at 18:21 -03.
Sunshine
In Colares, the average sunshine in December is 8.3h.UV index
January, June 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 health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 7 during December leads to these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Colares, Brazil
- Average high temperature in December: 30.5°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is March (28.7°C).
- Average low temperature in December: 24.9°C
The month with the highest average low temperature is November (25.3°C).
The coldest month (with the lowest average low temperature) is July (23.9°C).
Average pressure in December
Colares, Brazil
- Average pressure in December: 1009.8mbar
The month with the highest atmospheric pressure is July (1012.7mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in December
Colares, Brazil
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is November (14.7km/h).
The calmest month (with the lowest average wind speed) is May (9.9km/h).
Average humidity in December
Colares, Brazil
- Average humidity in December: 78%
The month with the highest relative humidity is April (87%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Colares, Brazil
- Average rainfall in December: 172mm
The wettest month (with the highest rainfall) is March (359mm).
The driest month (with the least rainfall) is October (41mm).
Average rainfall days in December
Colares, Brazil
- Average rainfall days in December: 24.7 days
The month with the highest number of rainy days is March (30.7 days).
The months with the least rainy days are October and November (18.8 days).
Average daylight in December /
Average sunshine in December
Colares, Brazil
- Average daylight in December: 12h and 12min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in December: 8h and 18min
The month with the most sunshine is October (Average sunshine: 10h and 24min).
The months with the least sunshine are February and April (Average sunshine: 6h and 48min).
Average sunshine days in December
Colares, Brazil
- Average sunshine days in December: 3.5 days
The month with the most sunshine days is October (8.8 days).
The months with the least sunshine days are February, March and April (0.2 days).
Average UV index in December
Colares, Brazil
- Average UV index in December: 7
The months with the highest UV index are January, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are February, March, April and May (UV index 6).
Average cloud cover in December
Colares, Brazil
- Average cloud cover in December: 42
The month with the most cloud cover is April (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in December
Colares, Brazil
- Average visibility in December: 10km
The months with the highest visibility are August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June and July (9km).
