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
The start of December marks an average high-temperature of a still agreeable 21.5°C (70.7°F), hardly distinguishable from the conditions in November. Despite high daytime temperatures, the average temperature lowers to a chilly 8.2°C (46.8°F) during December nights.Humidity
In San José de Llanos, the average relative humidity in December is 55%.Rainfall
January and December are months with the least rain in San José de Llanos, Mexico, when the rain falls for 2.5 days and typically aggregates up to 5mm (0.2") of rain.Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year in San José de Llanos.On the first day of the month, sunrise is at 7:05 am and sunset at 6:03 pm. On the last day of December, in San José de Llanos, sunrise is at 7:21 am and sunset at 6:15 pm CST.
Sunshine
The month with the most sunshine in San José de Llanos is December, with an average of 9.9h of sunshine.UV index
The months with the lowest UV index in San José de Llanos, Mexico, are January and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in December transforms into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in San José de Llanos?
What is the average humidity in December in San José de Llanos?
What is the driest month in San José de Llanos?
How many days does it rain in December in San José de Llanos?
What is the month with the shortest days in San José de Llanos?
What is the average length of the day in December in San José de Llanos?
When are sunrise and sunset in December in San José de Llanos?
What month has the most sunshine in San José de Llanos?
How many hours of sunshine does San José de Llanos have in December?
What are the months with the lowest UV index in San José de Llanos?
What is the UV index intensity in December in San José de Llanos?
Average temperature in December
San José de Llanos, Mexico
- Average high temperature in December: 21.5°C
The warmest month (with the highest average high temperature) is May (29.3°C).
The month with the lowest average high temperature is January (21.1°C).
- Average low temperature in December: 8.2°C
The month with the highest average low temperature is June (15.7°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).
Average pressure in December
San José de Llanos, Mexico
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is January (1018.2mbar).
The month with the lowest atmospheric pressure is May (1013.5mbar).
Average wind speed in December
San José de Llanos, Mexico
- Average wind speed in December: 8.1km/h
The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is December (8.1km/h).
Average humidity in December
San José de Llanos, Mexico
- Average humidity in December: 55%
The month with the highest relative humidity is September (75%).
The month with the lowest relative humidity is April (34%).
Average rainfall in December
San José de Llanos, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is July (96mm).
The driest months (with the least rainfall) are January and December (5mm).
Average rainfall days in December
San José de Llanos, Mexico
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is December (2.5 days).
Average daylight in December /
Average sunshine in December
San José de Llanos, Mexico
- Average daylight in December: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 9h and 5min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 9h and 18min).
Average sunshine days in December
San José de Llanos, Mexico
- Average sunshine days in December: 27 days
The month with the most sunshine days is December (27 days).
The month with the least sunshine days is July (5 days).
Average UV index in December
San José de Llanos, Mexico
- Average UV index in December: 4
The months with the highest UV index are April and May (UV index 6).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
San José de Llanos, Mexico
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 34).
The month with the least cloud cover is March (Cloud cover 10).
Average visibility in December
San José de Llanos, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is September (8km).
San José de Llanos, Mexico
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