January weather forecast
Campinas, Brazil

January in Campinas, Brazil, features a high average temperature of 27.1°C (80.8°F) and a low of 18.7°C (65.7°F), with rainfall peaking at 202mm (7.95"). An increased amount of rain contributes to an atmosphere of heightened humidity, while sunlight is enjoyed for longer hours than the winter months. Despite high rainfall, the pattern eases towards the end of the month, making January an ideal time to visit for those who appreciate warm temperatures and abundant greenery. The exception being those with a low tolerance for high humidity levels, as January holds one of the highest averages of the year.

Temperature

As January takes its course, Campinas's average high-temperature registers at a still warm 27.1°C (80.8°F), closely aligning with the preceding month. Throughout the month of January, the nighttime temperature in Campinas dips to an average of 18.7°C (65.7°F).

Heat index

The heat index value for January is evaluated at a hot 30°C (86°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in January in Campinas is 84%.

Rainfall

The month with the most rainfall in Campinas, Brazil, is January, when the rain falls for 24.8 days and typically aggregates up to 202mm (7.95") of precipitation.

Daylight

In Campinas, the average length of the day in January is 13h and 21min.
On the first day of January in Campinas, sunrise is at 05:26 and sunset at 18:57. On the last day of the month, sunrise is at 05:47 and sunset at 18:55 -03.

Sunshine

The month with the least sunshine in Campinas is January, with an average of 7.3h of sunshine.

UV index

The months with the highest UV index are January, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during January leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.