January weather forecast
Calumbi, Brazil

January, the same as December, in Calumbi, Brazil, is another hot summer month, with an average temperature ranging between max 32.3°C (90.1°F) and min 21.3°C (70.3°F).

Temperature

Calumbi observes an average high-temperature of a still tropical 32.3°C (90.1°F) in January, barely different from 33.3°C (91.9°F) in December. Throughout January, an average low-temperature of 21.3°C (70.3°F) is expected in Calumbi.

Heat index

During January, the heat index is calculated to be a sweltering 38°C (100.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In January, the average relative humidity is 61%.

Rainfall

In Calumbi, Brazil, in January, during 17.8 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, in Calumbi, there are 140.8 rainfall days, and 430mm (16.93") of precipitation is accumulated.

Daylight

The average length of the day in January in Calumbi is 12h and 31min.
On the first day of the month, sunrise is at 05:18 and sunset at 17:53. On the last day of January, in Calumbi, sunrise is at 05:32 and sunset at 17:59 -03.

Sunshine

The average sunshine in January is 8.8h.

UV index

January, April through August, with an average maximum UV index of 6, are months with the lowest UV index in Calumbi. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.