January weather forecast
Casa Nova, Brazil

January, like December, is another hot summer month in Casa Nova, Brazil, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 31.4°C (88.5°F).

Temperature

Casa Nova experiences a recorded average high-temperature of a still tropical 31.4°C (88.5°F) in January, closely aligned with December's 31.5°C (88.7°F). January nights in Casa Nova are marked by an average low-temperature of 22.3°C (72.1°F).

Heat index

January's average heat index is estimated at a very hot 37°C (98.6°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Casa Nova, the average relative humidity in January is 63%.

Rainfall

In Casa Nova, Brazil, during January, the rain falls for 14.3 days and regularly aggregates up to 67mm (2.64") of precipitation. In Casa Nova, during the entire year, the rain falls for 107.5 days and collects up to 451mm (17.76") of precipitation.

Daylight

In Casa Nova, Brazil, the average length of the day in January is 12h and 35min.
On the first day of the month, sunrise is at 05:27 and sunset at 18:06. On the last day of January, in Casa Nova, sunrise is at 05:42 and sunset at 18:12 -03.

Sunshine

January has the most sunshine of the year in Casa Nova, with an average of 10.7h of sunshine.

UV index

The months with the highest UV index in Casa Nova are January through April, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 7 in January suggests the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.