January weather forecast
Irará, Brazil

January, the same as December, in Irará, Brazil, is a hot summer month, with an average temperature varying between 32.1°C (89.8°F) and 21.3°C (70.3°F).

Temperature

The shift from December to January is characterized by an average high-temperature of a still tropical 32.1°C (89.8°F), not significantly different from the 32.2°C (90°F) of December. In January, the average low-temperature is a pleasant 21.3°C (70.3°F).

Heat index

January's heat index is computed to be an extremely hot 42°C (107.6°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In January, the average relative humidity in Irará is 73%.

Rainfall

In Irará, in January, during 18.7 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Irará, during the entire year, the rain falls for 224.3 days and collects up to 452mm (17.8") of precipitation.

Daylight

In January, the average length of the day is 12h and 44min.
On the first day of the month, sunrise is at 05:13 and sunset at 18:03. On the last day of January, sunrise is at 05:29 and sunset at 18:07 -03.

Sunshine

The month with the most sunshine is January, with an average of 9.5h of sunshine.

UV index

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 in January translates into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.