January weather forecast
Alto Santo, Brazil

January, the same as December, in Alto Santo, Brazil, is a hot summer month, with an average temperature ranging between max 34.1°C (93.4°F) and min 24.4°C (75.9°F).

Temperature

The arrival of January records an average high-temperature of a still hot 34.1°C (93.4°F), closely related to the 34.9°C (94.8°F) observed in December. Alto Santo, in the month of January, anticipates a consistent average low-temperature of 24.4°C (75.9°F).

Heat index

The average heat index in January is appraised at a blisteringly hot 44°C (111.2°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
It is emphasized that the heat index's values are meant for shaded zones with 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 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In January, the average relative humidity is 64%.

Rainfall

In January, the rain falls for 14.1 days. Throughout January, 45mm (1.77") of precipitation is accumulated. In Alto Santo, during the entire year, the rain falls for 127 days and collects up to 344mm (13.54") of precipitation.

Daylight

The average length of the day in January is 12h and 24min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:49. On the last day of January, in Alto Santo, sunrise is at 05:35 and sunset at 17:56 -03.

Sunshine

The average sunshine in January is 8.3h.

UV index

The months with the highest UV index in Alto Santo are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In January, an average UV index of 7 transforms into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.