December weather forecastSumpango, Guatemala
December
Weather in December
The first month of the winter, December, is also an agreeable month in Sumpango, Guatemala, with an average temperature varying between 12.4°C (54.3°F) and 22.8°C (73°F).Temperature
December's advent notes a subtle adjustment in average high-temperature to a still agreeable 22.8°C (73°F) from November. December nights in Sumpango are marked by an average temperature drop to a cool 12.4°C (54.3°F).Humidity
In December, the average relative humidity is 79%.Rainfall
In Sumpango, during December, the rain falls for 7.5 days and regularly aggregates up to 9mm (0.35") of precipitation. Throughout the year, there are 231.3 rainfall days, and 1656mm (65.2") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 18min of daylight.On the first day of December, sunrise is at 06:12 and sunset at 17:31. On the last day of the month, sunrise is at 06:27 and sunset at 17:44 CST.
Sunshine
In December, the average sunshine is 7.5h.UV index
In December, the average daily maximum UV index in Sumpango is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 during December translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sumpango, Guatemala
- Average high temperature in December: 22.8°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).
- Average low temperature in December: 12.4°C
The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure in December
Sumpango, Guatemala
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).
Average wind speed in December
Sumpango, Guatemala
- Average wind speed in December: 11.9km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).
Average humidity in December
Sumpango, Guatemala
- Average humidity in December: 79%
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).
Average rainfall in December
Sumpango, Guatemala
- Average rainfall in December: 9mm
The wettest month (with the highest rainfall) is May (285mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in December
Sumpango, Guatemala
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is September (28.7 days).
The month with the least rainy days is January (6.7 days).
Average daylight in December /
Average sunshine in December
Sumpango, 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: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).
Average sunshine days in December
Sumpango, Guatemala
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in December
Sumpango, Guatemala
- Average UV index in December: 5
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are August and October (UV index 4).
Average cloud cover in December
Sumpango, Guatemala
- Average cloud cover in December: 28
The months with the most cloud cover are June and September (Cloud cover 59).
The months with the least cloud cover are January, February and March (Cloud cover 26).
Average visibility in December
Sumpango, Guatemala
- Average visibility in December: 9km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
