January weather forecast
Rengo, Chile

In Rengo, Chile, the onset of a new year is marked with the warm practices of summer, with Janurary characterized by some of the hottest temperatures of the year. The city enters into a particularly dry period, making it a favorable month for outdoor activities. The sun seems to linger in the sky throughout the day, boding well for those with a penchant for daylight. Registering the highest maximum and minimum temperatures of the year, from 29.2°C (84.6°F) to 12.4°C (54.3°F), January in Rengo, Chile, is decidedly summery and can be counted on for rarely breaking out of its hot, dry mold. A gentle summer wind constantly stirs the air, refreshing the surrounding atmosphere.

Temperature

The month of January sees the highest average temperatures, reaching 29.2°C (84.6°F) at the peak and 12.4°C (54.3°F) at the low.

Heat index

For January, the heat index is calculated to be 29°C (84.2°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 hold particular importance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Rengo, the average relative humidity in January is 45%.

Rainfall

In Rengo, Chile, in January, during 1.5 rainfall days, 2mm (0.08") of precipitation is typically accumulated. In Rengo, during the entire year, the rain falls for 61.6 days and collects up to 373mm (14.69") of precipitation.

Daylight

In January, the average length of the day is 14h and 8min.
On the first day of January in Rengo, sunrise is at 06:34 and sunset at 20:59. On the last day of the month, sunrise is at 07:02 and sunset at 20:50 -03.

Sunshine

In January, the average sunshine is 9.9h.

UV index

January is the month with the highest UV index, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 6 in January translates into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.