Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Chamac's shift into December is marked by a subtle change to a still pleasant 21.7°C (71.1°F) from November's 21.5°C (70.7°F) in temperature. During December nights, Chamac records an average temperature of 10.4°C (50.7°F).Humidity
In Chamac, the average relative humidity in December is 75%.Rainfall
In Chamac, during December, the rain falls for 12.8 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, there are 263.7 rainfall days, and 2085mm (82.09") 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 the month, sunrise is at 06:17 and sunset at 17:35. On the last day of December, in Chamac, Guatemala, sunrise is at 06:32 and sunset at 17:48 CST.
Sunshine
In December, the average sunshine in Chamac 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 Chamac, Guatemala. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the UV index of 5 transforms into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Chamac?
What is the average humidity in December in Chamac?
How much does it rain in Chamac in December?
What is the month with the shortest days in Chamac?
What is the average length of the day in December in Chamac?
When are sunrise and sunset in December in Chamac?
How long on average sun shines in December in Chamac?
When is the highest UV index in Chamac?
What is the UV index intensity in December in Chamac?
Average temperature in December
Chamac, 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
Chamac, 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
Chamac, 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
Chamac, 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
Chamac, 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
Chamac, 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
Chamac, 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: 7h and 3min
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
Chamac, 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
Chamac, 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
Chamac, Guatemala
- Average cloud cover in December: 21
The months with the most cloud cover are June and September (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 19).
Average visibility in December
Chamac, 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).
