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 Lajarcia sees the arrival of December with an average high-temperature of a still moderately hot 29°C (84.2°F), indicating a subtle variation from November. San Juan Lajarcia witnesses a consistent average low-temperature of 20.5°C (68.9°F) throughout December.Heat index
The heat index value for December is computed to be a tropical 32°C (89.6°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In December, the average relative humidity in San Juan Lajarcia is 67%.Rainfall
In San Juan Lajarcia, in December, during 2.5 rainfall days, 3mm (0.12") of precipitation is typically accumulated. In San Juan Lajarcia, during the entire year, the rain falls for 118.2 days and collects up to 462mm (18.19") of precipitation.Daylight
The month with the shortest days in San Juan Lajarcia is December, with an average of 11h and 12min of daylight.On the first day of December in San Juan Lajarcia, sunrise is at 6:36 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:02 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 7.6h of sunshine.UV index
January, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 6 in December transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
How hot does it get in San Juan Lajarcia in December?
What is the average humidity in December in San Juan Lajarcia?
How many days does it rain in December in San Juan Lajarcia?
What is the month with the shortest days in San Juan Lajarcia?
What is the average length of the day in December in San Juan Lajarcia?
When is the sunrise / sunset in December in San Juan Lajarcia?
What is the month with the least sunshine in San Juan Lajarcia?
How long on average sun shines in December in San Juan Lajarcia?
What are the months with the lowest UV index in San Juan Lajarcia?
How high is the UV index in December in San Juan Lajarcia?
Average temperature in December
San Juan Lajarcia, Mexico
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is May (33.6°C).
The month with the lowest average high temperature is January (28.1°C).
- Average low temperature in December: 20.5°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (19.6°C).
Average pressure in December
San Juan Lajarcia, Mexico
- Average pressure in December: 1014.4mbar
The month with the highest atmospheric pressure is January (1015.3mbar).
The month with the lowest atmospheric pressure is May (1011.2mbar).
Average wind speed in December
San Juan Lajarcia, Mexico
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is June (9.2km/h).
Average humidity in December
San Juan Lajarcia, Mexico
- Average humidity in December: 67%
The month with the highest relative humidity is September (75%).
The months with the lowest relative humidity are March and April (62%).
Average rainfall in December
San Juan Lajarcia, Mexico
- Average rainfall in December: 3mm
The wettest month (with the highest rainfall) is August (99mm).
The driest months (with the least rainfall) are January, February and March (2mm).
Average rainfall days in December
San Juan Lajarcia, Mexico
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is September (19.7 days).
The month with the least rainy days is February (1.8 days).
Average daylight in December /
Average sunshine in December
San Juan Lajarcia, Mexico
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 7h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in December
San Juan Lajarcia, Mexico
- Average sunshine days in December: 27.7 days
The month with the most sunshine days is December (27.7 days).
The month with the least sunshine days is September (9 days).
Average UV index in December
San Juan Lajarcia, Mexico
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in December
San Juan Lajarcia, Mexico
- Average cloud cover in December: 9
The months with the most cloud cover are June and September (Cloud cover 34).
The months with the least cloud cover are February and December (Cloud cover 9).
Average visibility in December
San Juan Lajarcia, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
San Juan Lajarcia, Mexico
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