January weather forecastArapiraca, Brazil

Weather in January

January, like December, is another tropical summer month in Arapiraca, Brazil, with an average temperature varying between 31.8°C (89.2°F) and 21.6°C (70.9°F).

Temperature

As Arapiraca welcomes January, the average high-temperature stabilizes at a still hot 31.8°C (89.2°F), showing little deviation from December's 32°C (89.6°F). In the month of January, Arapiraca records a consistent average low-temperature of 21.6°C (70.9°F).

Heat index

For most parts of January, the heat index is calculated to be a blisteringly hot 40°C (104°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In Arapiraca, the average relative humidity in January is 71%.

Rainfall

In Arapiraca, Brazil, in January, it is raining for 14.2 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Arapiraca, there are 194.5 rainfall days, and 384mm (15.12") of precipitation is accumulated.

Daylight

The average length of the day in January is 12h and 37min.
On the first day of the month, sunrise is at 05:09 and sunset at 17:50. On the last day of January, sunrise is at 05:24 and sunset at 17:56 -03.

Sunshine

In Arapiraca, the average sunshine in January is 8h.

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: The maximum daily UV index, 7 in January, converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.