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
The dawn of December sees an average high-temperature of a still agreeable 21.7°C (71.1°F), subtly contrasting with November's 21.5°C (70.7°F). During December, San Martín Sacatepéquez's temperature averages to a cool 10.4°C (50.7°F) at night.Humidity
In San Martín Sacatepéquez, the average relative humidity in December is 75%.Rainfall
In San Martín Sacatepéquez, Guatemala, in December, during 12.8 rainfall days, 19mm (0.75") of precipitation is typically 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 San Martín Sacatepéquez.On the first day of the month, sunrise is at 06:16 and sunset at 17:35. On the last day of December, sunrise is at 06:31 and sunset at 17:48 CST.
Sunshine
The average sunshine in December 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. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During December, 5 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in San Martín Sacatepéquez?
What is the average humidity in December in San Martín Sacatepéquez?
How many days does it rain in December in San Martín Sacatepéquez?
What is the month with the shortest days in San Martín Sacatepéquez?
What is the average length of the day in December in San Martín Sacatepéquez?
What time are sunrise and sunset in December in San Martín Sacatepéquez?
How long on average sun shines in December in San Martín Sacatepéquez?
When is the highest UV index in San Martín Sacatepéquez?
How high is the UV index in December in San Martín Sacatepéquez?
Average temperature in December
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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
San Martín Sacatepéquez, 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).
