January weather forecast
Una, Brazil

January, like December, in Una, Brazil, is a moderately hot summer month, with an average temperature varying between 29.2°C (84.6°F) and 23.7°C (74.7°F).

Temperature

The initiation of January sees an average high-temperature of a still moderately hot 29.2°C (84.6°F), showing minor variations from the previous month. Una records an average low-temperature of 23.7°C (74.7°F) throughout the month of January.

Heat index

During January, the heat index is estimated at a sweltering 35°C (95°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Know that the heat index computations account for shaded terrains and slight winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Una, the average relative humidity in January is 79%.

Rainfall

In Una, in January, it is raining for 15.4 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Una, Brazil, there are 181.6 rainfall days, and 408mm (16.06") of precipitation is accumulated.

Daylight

In January, the average length of the day in Una is 12h and 55min.
On the first day of the month, sunrise is at 05:09 and sunset at 18:10. On the last day of January, in Una, sunrise is at 05:26 and sunset at 18:13 -03.

Sunshine

In Una, the average sunshine in January is 10.3h.

UV index

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in January transforms into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.