January weather forecast
Itacajá, Brazil

January, like December, is another tropical summer month in Itacajá, Brazil, with an average temperature fluctuating between 30.2°C (86.4°F) and 22°C (71.6°F).

Temperature

The commencement of January records an average high-temperature of a still hot 30.2°C (86.4°F), barely varying from December's 31°C (87.8°F). January nights cool down to an average low-temperature of 22°C (71.6°F).

Heat index

The average heat index in January is computed to be a sweltering 39°C (102.2°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in January is 83%.

Rainfall

In Itacajá, in January, it is raining for 28.8 days, with typically 165mm (6.5") of accumulated precipitation. Throughout the year, in Itacajá, Brazil, there are 220.5 rainfall days, and 1134mm (44.65") of precipitation is accumulated.

Daylight

The average length of the day in January is 12h and 33min.
On the first day of the month, sunrise is at 05:56 and sunset at 18:32. On the last day of January, sunrise is at 06:10 and sunset at 18:38 -03.

Sunshine

In Itacajá, the average sunshine in January is 7h.

UV index

The months with the lowest UV index in Itacajá are January, April and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.