January weather forecast
Serra da Raiz, Brazil

January, like December, is another hot summer month in Serra da Raiz, Brazil, with an average temperature varying between 31.7°C (89.1°F) and 22.8°C (73°F).

Temperature

Entering January, the average high-temperature is recorded at a still hot 31.7°C (89.1°F), exhibiting a minimal shift from December's 31.5°C (88.7°F). Serra da Raiz reports a consistent average low-temperature of 22.8°C (73°F) throughout January nights.

Heat index

January's average heat index is appraised at a blistering 40°C (104°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

The average relative humidity in January in Serra da Raiz is 72%.

Rainfall

In January, in Serra da Raiz, the rain falls for 15.7 days. Throughout January, 34mm (1.34") of precipitation is accumulated. In Serra da Raiz, Brazil, during the entire year, the rain falls for 205.7 days and collects up to 444mm (17.48") of precipitation.

Daylight

In Serra da Raiz, Brazil, the average length of the day in January is 12h and 28min.
On the first day of the month, sunrise is at 05:09 and sunset at 17:40. On the last day of January, sunrise is at 05:23 and sunset at 17:47 -03.

Sunshine

In Serra da Raiz, the average sunshine in January is 6.5h.

UV index

The months with the highest UV index in Serra da Raiz are January, February and October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 7 in January translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.