December weather forecastRustrián, Guatemala
December
Weather in December
The first month of the winter, December, is also an agreeable month in Rustrián, Guatemala, with an average temperature varying between 12.4°C (54.3°F) and 22.8°C (73°F).Temperature
In December, Rustrián's weather conditions record an average high-temperature of a still agreeable 22.8°C (73°F), demonstrating little divergence from the preceding month. During December, the nighttime temperature in Rustrián averages to a cool 12.4°C (54.3°F).Humidity
In Rustrián, 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, in Rustrián, 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 06:11 and sunset at 17:31. On the last day of December, in Rustrián, sunrise is at 06:26 and sunset at 17:43 CST.
Sunshine
In Rustrián, the average sunshine in December is 7.5h.UV index
The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rustrián, 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
Rustrián, 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
Rustrián, 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
Rustrián, 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
Rustrián, 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
Rustrián, 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
Rustrián, Guatemala
- Average daylight in December: 11h and 18min
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 30min
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
Rustrián, 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
Rustrián, 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
Rustrián, 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
Rustrián, Guatemala
- Average visibility in December: 9km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
