December weather forecast
Senador Guiomard, Brazil

The first month of the summer, December, is also a hot month in Senador Guiomard, Brazil, with an average temperature fluctuating between 22.3°C (72.1°F) and 30.1°C (86.2°F).

Temperature

Senador Guiomard observes an average high-temperature of a still tropical 30.1°C (86.2°F) in December, barely different from 32.2°C (90°F) in November. An average nighttime temperature of 22.3°C (72.1°F) is recorded during December.

Heat index

For December, the heat index is appraised at a scorching 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in December is 87%.

Rainfall

In Senador Guiomard, Brazil, in December, it is raining for 26.4 days, with typically 180mm (7.09") of accumulated precipitation. In Senador Guiomard, during the entire year, the rain falls for 233.4 days and collects up to 1251mm (49.25") of precipitation.

Daylight

The month with the longest days in Senador Guiomard, Brazil, is December, with an average of 12h and 42min of daylight.
On the first day of December, sunrise is at 04:59 and sunset at 17:40. On the last day of the month, sunrise is at 05:13 and sunset at 17:55 -05.

Sunshine

In Senador Guiomard, the average sunshine in December is 6.2h.

UV index

The months with the lowest UV index are January through June and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily UV index of 6 turns into the following recommendations:
Deflect overexposure. Sun protection 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.