January weather forecast
Sairé, Brazil

January, like December, in Sairé, Brazil, is a moderately hot summer month, with an average temperature fluctuating between 29.8°C (85.6°F) and 21.3°C (70.3°F).

Temperature

The arrival of January is marked by an average high-temperature of a still moderately hot 29.8°C (85.6°F), bearing a close resemblance to December. In January, the average low-temperature is a pleasant 21.3°C (70.3°F).

Heat index

January's average heat index is appraised at a fiery hot 36°C (96.8°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in January is 77%.

Rainfall

In Sairé, during January, the rain falls for 19 days and regularly aggregates up to 46mm (1.81") of precipitation. In Sairé, during the entire year, the rain falls for 224.2 days and collects up to 472mm (18.58") of precipitation.

Daylight

In January, the average length of the day in Sairé is 12h and 32min.
On the first day of the month, sunrise is at 05:08 and sunset at 17:44. On the last day of January, sunrise is at 05:21 and sunset at 17:50 -03.

Sunshine

The average sunshine in January is 6.6h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.