Weather in December
Temperature
With average high and low temperatures of 23.9°C (75°F) and 13.7°C (56.7°F) respectively, December is Guatemala City's coldest month.Humidity
The average relative humidity in December is 76%.Rainfall
In Guatemala City, in December, it is raining for 2.6 days, with typically 7mm (0.28") of accumulated precipitation. In Guatemala City, Guatemala, during the entire year, the rain falls for 125.2 days and collects up to 1275mm (50.2") of precipitation.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:11 and sunset at 17:30. On the last day of December, sunrise is at 06:26 and sunset at 17:43 CST.
Sunshine
In December, the average sunshine is 6.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 9. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for the average person.Note: During December, 9 as the daily maximum UV index converts into the following advice:
Always safeguard yourself; without protection, skin and eyes can get damaged instantly. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
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What is the month with the shortest days?
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When are sunrise and sunset in December in Guatemala City?
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When is the lowest UV index?
What is the UV index intensity in December in Guatemala City?
Average temperature in December
Guatemala City, Guatemala
- Average high temperature in December: 23.9°C
The warmest month (with the highest average high temperature) is April (27.8°C).
The month with the lowest average high temperature is December (23.9°C).
- Average low temperature in December: 13.7°C
The months with the highest average low temperature are May and June (16.8°C).
The coldest month (with the lowest average low temperature) is January (13.2°C).
Average humidity in December
Guatemala City, Guatemala
- Average humidity in December: 76%
The month with the highest relative humidity is September (84.5%).
The month with the lowest relative humidity is March (73.2%).
Average rainfall in December
Guatemala City, Guatemala
- Average rainfall in December: 6.6mm
The wettest month (with the highest rainfall) is June (271.8mm).
The driest month (with the least rainfall) is January (2.8mm).
Average rainfall days in December
Guatemala City, Guatemala
- Average rainfall days in December: 2.6 days
The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is February (1.5 days).
Average daylight in December /
Average sunshine in December
Guatemala City, Guatemala
- Average daylight in December: 11h and 2min
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: 6h and 4min
The month with the most sunshine is February (Average sunshine: 8h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).
Average UV index in December
Guatemala City, Guatemala
- Average UV index in December: 9
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).
Guatemala City, Guatemala
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