January weather forecast
Monte Alegre do Piauí, Brazil

January, the same as December, in Monte Alegre do Piauí, Brazil, is another hot summer month, with an average temperature varying between 21.1°C (70°F) and 31.3°C (88.3°F).

Temperature

Welcoming January, Monte Alegre do Piauí notes an average high-temperature of a still tropical 31.3°C (88.3°F), nearly consistent with December's 32.3°C (90.1°F). January witnesses an average nighttime temperature of 21.1°C (70°F) in Monte Alegre do Piauí, Brazil.

Heat index

The average heat index in January is estimated at a fiery hot 39°C (102.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In Monte Alegre do Piauí, the average relative humidity in January is 73%.

Rainfall

In Monte Alegre do Piauí, during January, the rain falls for 23.8 days and regularly aggregates up to 110mm (4.33") of precipitation. In Monte Alegre do Piauí, Brazil, during the entire year, the rain falls for 161.3 days and collects up to 709mm (27.91") of precipitation.

Daylight

The average length of the day in January is 12h and 37min.
On the first day of the month, sunrise is at 05:44 and sunset at 18:25. On the last day of January, sunrise is at 05:58 and sunset at 18:30 -03.

Sunshine

In January, the average sunshine is 10.1h.

UV index

January, March through November, with an average maximum UV index of 7, are months with the highest UV index in Monte Alegre do Piauí, Brazil. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, a regular UV index of 7 translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. 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.