January weather forecast
Jari, Brazil

January in Jari, Brazil, is a tropical summer month, with an average temperature ranging between max 30.3°C (86.5°F) and min 19.3°C (66.7°F).

Temperature

With its high average temperature of 30.3°C (86.5°F) and a low of 19.3°C (66.7°F), January is regarded as the warmest month.

Heat index

In January, the heat index is estimated at a torrid 37°C (98.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in January in Jari is 73%.

Rainfall

In January, in Jari, the rain falls for 17.5 days. Throughout January, 130mm (5.12") of precipitation is accumulated. Throughout the year, there are 160.8 rainfall days, and 1177mm (46.34") of precipitation is accumulated.

Daylight

In Jari, Brazil, the average length of the day in January is 13h and 46min.
On the first day of January, sunrise is at 05:40 and sunset at 19:39. On the last day of the month, sunrise is at 06:05 and sunset at 19:34 -03.

Sunshine

The average sunshine in January in Jari, Brazil, is 8.5h.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 6 transforms into these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.