January weather forecastIguaba, Brazil

Weather in January

January, like December, is another hot summer month in Iguaba, Brazil, with an average temperature fluctuating between 21.2°C (70.2°F) and 33.1°C (91.6°F).

Temperature

Iguaba's average high-temperature marks a still tropical 33.1°C (91.6°F) with the advent of January, closely mirroring that of the preceding month. Iguaba's average low-temperature during January nights is observed to be a pleasant 21.2°C (70.2°F).

Heat index

The heat index value for January is computed to be a scorching 43°C (109.4°F). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In Iguaba, the average relative humidity in January is 67%.

Rainfall

In Iguaba, during January, the rain falls for 9.3 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 145.6 rainfall days, and 294mm (11.57") of precipitation is accumulated.

Daylight

The average length of the day in January is 12h and 39min.
On the first day of January, sunrise is at 05:13 and sunset at 17:56. On the last day of the month, sunrise is at 05:28 and sunset at 18:01 -03.

Sunshine

January has the most sunshine of the year in Iguaba, with an average of 9.7h of sunshine.

UV index

The months with the highest UV index in Iguaba are January through March, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In January, a daily maximum UV index of 7 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.