December weather forecastCoronel Martins, Brazil
December
Weather in December
December, the first month of the summer in Coronel Martins, is also a moderately hot month, with temperature in the range of an average low of 17.2°C (63°F) and an average high of 27.5°C (81.5°F).Temperature
Upon the onset of December, Coronel Martins witnesses an average high-temperature of a still warm 27.5°C (81.5°F), showing a close resemblance to the prior month. During December, the temperature tends to dip to an average of 17.2°C (63°F) at night.Heat index
The heat index value for December is calculated to be a hot 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The average relative humidity in December in Coronel Martins is 81%.Rainfall
In Coronel Martins, during December, the rain falls for 19.2 days and regularly aggregates up to 101mm (3.98") of precipitation. Throughout the year, in Coronel Martins, there are 187 rainfall days, and 1107mm (43.58") of precipitation is accumulated.Daylight
December has the longest days of the year in Coronel Martins, with an average of 13h and 48min of daylight.On the first day of December, sunrise is at 05:29 and sunset at 19:10. On the last day of the month, sunrise is at 05:40 and sunset at 19:27 -03.
Sunshine
In Coronel Martins, the average sunshine in December is 8.3h.UV index
January, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coronel Martins, Brazil
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is June (18.8°C).
- Average low temperature in December: 17.2°C
The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).
Average pressure in December
Coronel Martins, Brazil
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in December
Coronel Martins, Brazil
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is August (10.1km/h).
The calmest month (with the lowest average wind speed) is March (8.6km/h).
Average humidity in December
Coronel Martins, Brazil
- Average humidity in December: 81%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (77%).
Average rainfall in December
Coronel Martins, Brazil
- Average rainfall in December: 101mm
The wettest month (with the highest rainfall) is May (131mm).
The driest month (with the least rainfall) is August (67mm).
Average rainfall days in December
Coronel Martins, Brazil
- Average rainfall days in December: 19.2 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is August (11.2 days).
Average daylight in December /
Average sunshine in December
Coronel Martins, Brazil
- Average daylight in December: 13h and 48min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 8h and 18min
The months with the most sunshine are April and November (Average sunshine: 8h and 36min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).
Average sunshine days in December
Coronel Martins, Brazil
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Coronel Martins, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 4).
Average cloud cover in December
Coronel Martins, Brazil
- Average cloud cover in December: 43
The months with the most cloud cover are February and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Coronel Martins, Brazil
- Average visibility in December: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January and May (7km).





