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
Weather in December
Temperature
San Juan Sacatepéquez's December average high-temperature settles at a still agreeable 22.8°C (73°F), showing a near match with the preceding month. The average nighttime temperature lowers to a cool 12.4°C (54.3°F) throughout December.Humidity
In San Juan Sacatepéquez, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 7.5 days. Throughout December, 9mm (0.35") of precipitation is accumulated. Throughout the year, there are 231.3 rainfall days, and 1656mm (65.2") of precipitation is accumulated.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 06:12 and sunset at 17:31. On the last day of December, 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 is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during December morphs into the following directions:
Be vigilant - Preventing sunburn is recommended. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in San Juan Sacatepéquez?
What is the average humidity in December in San Juan Sacatepéquez?
How much does it rain in San Juan Sacatepéquez in December?
What is the month with the shortest days in San Juan Sacatepéquez?
What is the average length of the day in December in San Juan Sacatepéquez?
What time are sunrise and sunset in December in San Juan Sacatepéquez?
How long on average sun shines in December in San Juan Sacatepéquez?
How high is the UV index in December in San Juan Sacatepéquez?
Average temperature in December
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan 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: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).
Average sunshine days in December
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, 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
San Juan Sacatepéquez, Guatemala
- Average visibility in December: 9km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
San Juan Sacatepéquez, Guatemala
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