January weather forecast
Costa Marques, Brazil

January, like December, in Costa Marques, Brazil, is a moderately hot summer month, with an average temperature ranging between min 22.8°C (73°F) and max 29.6°C (85.3°F).

Temperature

The arrival of January sees an average high-temperature of a moderately hot 29.6°C (85.3°F), hardly diverging from December's 30.6°C (87.1°F). Throughout January, Costa Marques witnesses a nighttime temperature average of 22.8°C (73°F).

Heat index

For most parts of January, the heat index is computed to be a fiery hot 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In January, the average relative humidity is 86%.

Rainfall

In January, in Costa Marques, the rain falls for 27.6 days. Throughout January, 221mm (8.7") of precipitation is accumulated. In Costa Marques, Brazil, during the entire year, the rain falls for 215.7 days and collects up to 1318mm (51.89") of precipitation.

Daylight

The average length of the day in January is 12h and 46min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:45. On the last day of January, in Costa Marques, sunrise is at 06:10 and sunset at 18:49 -04.

Sunshine

In Costa Marques, Brazil, the average sunshine in January is 6.5h.

UV index

January through May, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.