December weather forecast
Capim, Brazil

The first month of the summer, December, is still a hot month in Capim, Brazil, with an average temperature varying between 30.5°C (86.9°F) and 24°C (75.2°F).

Temperature

Capim, Brazil, experiences a minor change to a still tropical 30.5°C (86.9°F) in average high-temperature during December, closely reflecting November. An average low-temperature of 24°C (75.2°F) is noted during the nights in December.

Heat index

The heat index value during December is calculated to be a fiery hot 37°C (98.6°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in December is 72%.

Rainfall

In Capim, during December, the rain falls for 15.2 days and regularly aggregates up to 18mm (0.71") of precipitation. Throughout the year, in Capim, there are 199.6 rainfall days, and 460mm (18.11") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 04:55 and sunset at 17:24. On the last day of December, in Capim, sunrise is at 05:08 and sunset at 17:39 -03.

Sunshine

In Capim, the average sunshine in December is 7.7h.

UV index

The months with the highest UV index are January through March, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.