January weather forecast
Parque Piaui, Brazil

January, the same as December, in Parque Piaui, Brazil, is another tropical summer month, with an average temperature fluctuating between 22.9°C (73.2°F) and 31.7°C (89.1°F).

Temperature

Parque Piaui experiences a recorded average high-temperature of a still hot 31.7°C (89.1°F) in January, closely aligned with December's 33.5°C (92.3°F). During January, Parque Piaui sees a mean low-temperature of 22.9°C (73.2°F).

Heat index

January's mean heat index is estimated at a blistering 42°C (107.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Parque Piaui, the average relative humidity in January is 78%.

Rainfall

In Parque Piaui, Brazil, during January, the rain falls for 28.3 days and regularly aggregates up to 235mm (9.25") of precipitation. In Parque Piaui, during the entire year, the rain falls for 207.4 days and collects up to 1348mm (53.07") of precipitation.

Daylight

In January, the average length of the day is 12h and 23min.
On the first day of January in Parque Piaui, sunrise is at 05:42 and sunset at 18:07. On the last day of the month, sunrise is at 05:54 and sunset at 18:14 -03.

Sunshine

In Parque Piaui, the average sunshine in January is 8.9h.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index in Parque Piaui. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in January interprets into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.