January weather forecastJaciara, Brazil

Weather in January

January, like December, is another hot summer month in Jaciara, Brazil, with an average temperature varying between 30.5°C (86.9°F) and 21.4°C (70.5°F).

Temperature

Jaciara experiences an average high-temperature of a still tropical 30.5°C (86.9°F) in January, marking an insignificant shift from 30.6°C (87.1°F) in December. An average temperature of 21.4°C (70.5°F) is recorded in Jaciara during the nights in January.

Heat index

In January, the heat index is computed to be a scorching 40°C (104°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Jaciara, the average relative humidity in January is 83%.

Rainfall

In Jaciara, in January, during 25 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, in Jaciara, there are 180 rainfall days, and 830mm (32.68") of precipitation is accumulated.

Daylight

In January, the average length of the day in Jaciara is 12h and 57min.
On the first day of January, sunrise is at 05:11 and sunset at 18:15. On the last day of the month, sunrise is at 05:28 and sunset at 18:17 -04.

Sunshine

The month with the least sunshine in Jaciara is January, with an average of 7.5h of sunshine.

UV index

January through July and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.