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 transition into December is marked with an average high-temperature of a still pleasant 22.8°C (73°F), showing an insignificant shift from November's 22.6°C (72.7°F). During December, the temperature is averaged to a low of 12.4°C (54.3°F) at night.Humidity
In December, the average relative humidity is 79%.Rainfall
In San José Pinula, Guatemala, 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
The month with the shortest days is December, with an average of 11h and 18min of daylight.On the first day of December, sunrise is at 06:11 and sunset at 17:30. On the last day of the month, sunrise is at 06:26 and sunset at 17:43 CST.
Sunshine
The average sunshine in December is 7.5h.UV index
In San José Pinula, the average daily maximum UV index in December 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 daily high UV index of 5 in December leads to these guidelines:
Act with care - The need to guard against sun damage is communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
San José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, 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 José Pinula, Guatemala
- Average visibility in December: 9km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
