December weather forecastSairé, Brazil

Weather in December

The first month of the summer, December, is also a moderately hot month in Sairé, Brazil, with an average temperature fluctuating between 21°C (69.8°F) and 29.9°C (85.8°F).

Temperature

The dawn of December sees an average high-temperature of a still moderately hot 29.9°C (85.8°F), subtly contrasting with November's 29.4°C (84.9°F). Sairé experiences an average temperature drop to a pleasant 21°C (69.8°F) during December nights.

Heat index

The average heat index in December is appraised at a torrid 36°C (96.8°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

December is the least humid month in Sairé, with an average relative humidity of 76%.

Rainfall

In Sairé, Brazil, during December, the rain falls for 16 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, in Sairé, Brazil, there are 224.2 rainfall days, and 472mm (18.58") of precipitation is accumulated.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 04:54 and sunset at 17:29. On the last day of December, sunrise is at 05:07 and sunset at 17:43 -03.

Sunshine

In December, the average sunshine in Sairé is 6.6h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.