January weather forecast
Salgueiro, Brazil

January, like December, is another tropical summer month in Salgueiro, Brazil, with an average temperature ranging between max 32.2°C (90°F) and min 21.4°C (70.5°F).

Temperature

January reports an average high-temperature of a still hot 32.2°C (90°F), slightly varied from December's 32.8°C (91°F). The nighttime temperature in Salgueiro, during January, averages of 21.4°C (70.5°F).

Heat index

The average heat index in January is computed to be a sweltering 38°C (100.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In January, the average relative humidity is 61%.

Rainfall

In Salgueiro, during January, the rain falls for 18.9 days and regularly aggregates up to 63mm (2.48") of precipitation. Throughout the year, in Salgueiro, there are 147.6 rainfall days, and 486mm (19.13") of precipitation is accumulated.

Daylight

In January, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 05:22 and sunset at 17:57. On the last day of January, in Salgueiro, sunrise is at 05:36 and sunset at 18:03 -03.

Sunshine

With an average of 9.7h of sunshine, January has the most sunshine of the year.

UV index

The months with the highest UV index in Salgueiro are January through March, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during January leads to these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.