December weather forecast
Juanjuí, Peru

December, the first month of the summer in Juanjuí, is also a hot month, with an average temperature ranging between min 19.3°C (66.7°F) and max 31.5°C (88.7°F).

Temperature

As Juanjuí transitions from November to December, the average high-temperatures adjust to a still tropical 31.5°C (88.7°F), nearly the same as the previous 32.4°C (90.3°F). The nighttime temperature in Juanjuí during December displays a significant divergence from daily peaks, averaging at a comfortable 19.3°C (66.7°F).

Heat index

The heat index value during December is appraised at a scorching 41°C (105.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In December, the rain falls for 25.7 days. Throughout December, 128mm (5.04") of precipitation is accumulated. In Juanjuí, during the entire year, the rain falls for 259.8 days and collects up to 1281mm (50.43") of precipitation.

Daylight

December has the longest days of the year in Juanjuí, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:40 and sunset at 18:11. On the last day of December, sunrise is at 05:54 and sunset at 18:26 -05.

Sunshine

In Juanjuí, Peru, the average sunshine in December is 10.3h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in December translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.