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
December registers an average high-temperature of a still pleasant 21.7°C (71.1°F), slightly varied from November's 21.5°C (70.7°F). Nighttime temperatures in December average to a fresh 10.4°C (50.7°F) in Rio Blanco, Guatemala.Humidity
In December, the average relative humidity is 75%.Rainfall
In Rio Blanco, Guatemala, during December, the rain falls for 12.8 days and regularly aggregates up to 19mm (0.75") of precipitation. In Rio Blanco, during the entire year, the rain falls for 263.6 days and collects up to 2061mm (81.14") of precipitation.Daylight
With an average of 11h and 12min of daylight, December has the shortest days of the year.On the first day of December in Rio Blanco, sunrise is at 06:16 and sunset at 17:32. On the last day of the month, sunrise is at 06:31 and sunset at 17:45 CST.
Sunshine
The average sunshine in December in Rio Blanco 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 exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during December translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rio Blanco in December?
What is the average humidity in December in Rio Blanco?
How much does it rain in Rio Blanco in December?
What is the month with the shortest days in Rio Blanco?
How many hours of daylight does Rio Blanco have in December?
What time are sunrise and sunset in December in Rio Blanco?
How long on average sun shines in December in Rio Blanco?
What are the months with the highest UV index in Rio Blanco?
How high is the UV index in December in Rio Blanco?
Average temperature in December
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, Guatemala
- Average daylight in December: 11h and 1min
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 12min).
- 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
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, 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
Rio Blanco, 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).
Rio Blanco, Guatemala
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