January weather forecast
Santo Antônio dos Prazeres, Brazil

January, like December, is a hot summer month in Santo Antônio dos Prazeres, Brazil, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 32.1°C (89.8°F).

Temperature

At the onset of January, Santo Antônio dos Prazeres records an average high-temperature of a still tropical 32.1°C (89.8°F), showing little deviation from the preceding month. During January, the nighttime temperature in Santo Antônio dos Prazeres averages of 21.3°C (70.3°F).

Heat index

The average heat index in January is calculated to be a blisteringly hot 42°C (107.6°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Santo Antônio dos Prazeres, Brazil, the average relative humidity in January is 73%.

Rainfall

In January, the rain falls for 18.7 days. Throughout January, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 224.3 rainfall days, and 452mm (17.8") of precipitation is accumulated.

Daylight

The average length of the day in January in Santo Antônio dos Prazeres, Brazil, is 12h and 45min.
On the first day of the month, sunrise is at 05:14 and sunset at 18:03. On the last day of January, in Santo Antônio dos Prazeres, sunrise is at 05:29 and sunset at 18:08 -03.

Sunshine

With an average of 9.5h of sunshine, January has the most sunshine of the year in Santo Antônio dos Prazeres, Brazil.

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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 in January translates into these instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.