January weather forecastMelgaço, Brazil

Weather in January

January, the same as December, in Melgaço, Brazil, is another tropical summer month, with an average temperature varying between 31°C (87.8°F) and 22.4°C (72.3°F).

Temperature

Melgaço's shift into January is marked by a subtle change to a still tropical 31°C (87.8°F) from December's 32.8°C (91°F) in temperature. Melgaço, in January, witnesses an average low-temperature of 22.4°C (72.3°F).

Heat index

For most parts of January, the heat index is estimated at a blistering 43°C (109.4°F). Warning: Heat cramps and heat exhaustion are anticipated. Heatstroke is a risk with ongoing activity.
Keep in mind the heat index values are meant for areas in shade and with light wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. 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. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in January in Melgaço is 86%.

Rainfall

In January, in Melgaço, Brazil, the rain falls for 30.1 days. Throughout January, 175mm (6.89") of precipitation is accumulated. In Melgaço, Brazil, during the entire year, the rain falls for 282.9 days and collects up to 1449mm (57.05") of precipitation.

Daylight

In Melgaço, the average length of the day in January is 12h and 13min.
On the first day of January in Melgaço, Brazil, sunrise is at 06:19 and sunset at 18:33. On the last day of the month, sunrise is at 06:30 and sunset at 18:42 -03.

Sunshine

The average sunshine in January is 6.1h.

UV index

January through April and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during January translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.