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 transition into December shows a subtle variation to a still pleasant 20.8°C (69.4°F) from November's 20.5°C (68.9°F) in the average high-temperature. Despite the stark contrast with daytime temperatures, San Juan Chilateca's December nights average at a chilly 8.5°C (47.3°F).Humidity
In San Juan Chilateca, the average relative humidity in December is 75%.Rainfall
February and December are months with the least rain in San Juan Chilateca when the rain falls for 8.5 days and typically aggregates up to 7mm (0.28") of rain.Daylight
December has the shortest days of the year, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 5:51 pm. On the last day of December, sunrise is at 6:55 am and sunset at 6:04 pm CST.
Sunshine
In December, the average sunshine is 8.1h.UV index
The months with the lowest UV index in San Juan Chilateca, Mexico, are January, August, October through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 4 suggests these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the temperature in December in San Juan Chilateca?
What is the average humidity in December in San Juan Chilateca?
What is the driest month in San Juan Chilateca?
How much does it rain in San Juan Chilateca in December?
What is the month with the shortest days in San Juan Chilateca?
How many hours of daylight does San Juan Chilateca have in December?
What time are sunrise and sunset in December in San Juan Chilateca?
How long on average sun shines in December in San Juan Chilateca?
When is the lowest UV index in San Juan Chilateca?
How high is the UV index in December in San Juan Chilateca?
Average temperature in December
San Juan Chilateca, Mexico
- Average high temperature in December: 20.8°C
The warmest month (with the highest average high temperature) is April (26.8°C).
The months with the lowest average high temperature are January and November (20.5°C).
- Average low temperature in December: 8.5°C
The month with the highest average low temperature is June (13.3°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).
Average pressure in December
San Juan Chilateca, Mexico
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is May (1012.9mbar).
Average wind speed in December
San Juan Chilateca, Mexico
- Average wind speed in December: 6.6km/h
The windiest month (with the highest average wind speed) is November (7.3km/h).
The calmest month (with the lowest average wind speed) is June (5.3km/h).
Average humidity in December
San Juan Chilateca, Mexico
- Average humidity in December: 75%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (62%).
Average rainfall in December
San Juan Chilateca, Mexico
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is June (213mm).
The driest months (with the least rainfall) are February and December (7mm).
Average rainfall days in December
San Juan Chilateca, Mexico
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (29.6 days).
The month with the least rainy days is February (7.1 days).
Average daylight in December /
Average sunshine in December
San Juan Chilateca, 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 6min).
- Average sunshine in December: 8h and 1min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in December
San Juan Chilateca, Mexico
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is January (15.1 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in December
San Juan Chilateca, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May, June, July and September (UV index 5).
The months with the lowest UV index are January, August, October, November and December (UV index 4).
Average cloud cover in December
San Juan Chilateca, Mexico
- Average cloud cover in December: 28
The month with the most cloud cover is September (Cloud cover 54).
The months with the least cloud cover are February, March and April (Cloud cover 21).
Average visibility in December
San Juan Chilateca, Mexico
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April and May (9km).
The months with the lowest visibility are July, August, September and October (7km).
San Juan Chilateca, Mexico
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