January weather forecast
Jataúba, Brazil

January, the same as December, in Jataúba, Brazil, is a hot summer month, with an average temperature varying between 30.2°C (86.4°F) and 20.8°C (69.4°F).

Temperature

The onset of January manifests an average high-temperature of a still hot 30.2°C (86.4°F), demonstrating a minor variation from the preceding month. The month of January records an average low-temperature of 20.8°C (69.4°F).

Heat index

During January, the heat index is evaluated at a fiery hot 36°C (96.8°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In January, the average relative humidity is 71%.

Rainfall

In Jataúba, during January, the rain falls for 17.8 days and regularly aggregates up to 40mm (1.57") of precipitation. In Jataúba, during the entire year, the rain falls for 172.4 days and collects up to 367mm (14.45") of precipitation.

Daylight

In January, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 05:11 and sunset at 17:46. On the last day of January, in Jataúba, Brazil, sunrise is at 05:25 and sunset at 17:53 -03.

Sunshine

In Jataúba, the average sunshine in January is 7.4h.

UV index

The months with the highest UV index in Jataúba are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Jataúba. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight 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.