December weather forecastLa Reforma, Guatemala
December
Weather in December
The first month of the winter, December, is still a pleasant month in La Reforma, Guatemala, with temperature in the range of an average high of 21.7°C (71.1°F) and an average low of 10.4°C (50.7°F).Temperature
The average high-temperature during December is a still agreeable 21.7°C (71.1°F), almost matching the conditions of the preceding month. In December, La Reforma experiences an average nighttime temperature of 10.4°C (50.7°F).Humidity
The average relative humidity in December is 75%.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 263.6 rainfall days, and 2061mm (81.14") of precipitation is accumulated.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year in La Reforma.On the first day of the month, sunrise is at 06:17 and sunset at 17:35. On the last day of December, sunrise is at 06:32 and sunset at 17:48 CST.
Sunshine
In December, the average sunshine is 7.5h.UV index
January through October and December, with an average maximum UV index of 5, are months with the highest UV index in La Reforma. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 5 turns into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Reforma, Guatemala
- Average high temperature in December: 21.7°C
The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is October (20.7°C).
- Average low temperature in December: 10.4°C
The month with the highest average low temperature is May (14.3°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).
Average pressure in December
La Reforma, Guatemala
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is January (1015.3mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in December
La Reforma, Guatemala
- Average wind speed in December: 6km/h
The windiest month (with the highest average wind speed) is January (6.1km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).
Average humidity in December
La Reforma, Guatemala
- Average humidity in December: 75%
The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is March (69%).
Average rainfall in December
La Reforma, Guatemala
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is May (372mm).
The driest month (with the least rainfall) is January (14mm).
Average rainfall days in December
La Reforma, Guatemala
- Average rainfall days in December: 12.8 days
The months with the highest number of rainy days are June and October (29.2 days).
The month with the least rainy days is February (10.8 days).
Average daylight in December /
Average sunshine in December
La Reforma, Guatemala
- Average daylight in December: 11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 7h and 30min
The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).
Average sunshine days in December
La Reforma, Guatemala
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is October (0.5 days).
Average UV index in December
La Reforma, Guatemala
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 5).
The month with the lowest UV index is November (UV index 4).
Average cloud cover in December
La Reforma, Guatemala
- Average cloud cover in December: 21
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 19).
Average visibility in December
La Reforma, Guatemala
- Average visibility in December: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are May, June, August, September and October (8km).
