January weather forecast
Piúma, Brazil

January, like December, in Piúma, Brazil, is a moderately hot summer month, with an average temperature ranging between max 29.7°C (85.5°F) and min 23°C (73.4°F).

Temperature

The transition from December to January sees average high-temperatures adjusting to a still warm 29.7°C (85.5°F), from a not significantly different 28.7°C (83.7°F). In the month of January, Piúma witnesses a consistent average low-temperature of 23°C (73.4°F).

Heat index

During January, the heat index is calculated to be a torrid 36°C (96.8°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. 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 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In Piúma, Brazil, the average relative humidity in January is 79%.

Rainfall

In Piúma, in January, it is raining for 10.7 days, with typically 69mm (2.72") of accumulated precipitation. In Piúma, during the entire year, the rain falls for 164.4 days and collects up to 657mm (25.87") of precipitation.

Sea temperature

In January, the average sea temperature in Piúma is 25.3°C (77.5°F).
Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.

Daylight

In January, the average length of the day in Piúma is 13h and 14min.
On the first day of the month, sunrise is at 05:05 and sunset at 18:27. On the last day of January, sunrise is at 05:24 and sunset at 18:27 -03.

Sunshine

The average sunshine in January in Piúma, Brazil, is 9h.

UV index

January and February, with an average maximum UV index of 7, are months with the highest UV index in Piúma. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In January, a daily maximum UV index of 7 leads to the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! Reflections of sand and water make the Sun's UV rays stronger.