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
Unión de San Antonio's December showcases an average high-temperature of a still pleasant 21.6°C (70.9°F), hardly distinct from November's 22.5°C (72.5°F). Unión de San Antonio's nighttime temperature in December demonstrates a noticeable plunge to a frosty 8.5°C (47.3°F).Humidity
In December, the average relative humidity is 54%.Rainfall
In December, the rain falls for 3.6 days. Throughout December, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 128.3 rainfall days, and 441mm (17.36") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 6:17 pm CST.
Sunshine
January, March, May and December, with an average of 9.8h of sunshine, are months with the most sunshine.UV index
In December, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in December translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Unión de San Antonio?
What is the average humidity in December in Unión de San Antonio?
How much does it rain in Unión de San Antonio in December?
What is the month with the shortest days in Unión de San Antonio?
How many hours of daylight does Unión de San Antonio have in December?
When is the sunrise / sunset in December in Unión de San Antonio?
What is the month with the most sunshine in Unión de San Antonio?
How many hours of sunshine does Unión de San Antonio have in December?
What is the UV index intensity in December in Unión de San Antonio?
Average temperature in December
Unión de San Antonio, Mexico
- Average high temperature in December: 21.6°C
The warmest month (with the highest average high temperature) is May (29.7°C).
The month with the lowest average high temperature is January (21.3°C).
- Average low temperature in December: 8.5°C
The month with the highest average low temperature is June (16°C).
The coldest month (with the lowest average low temperature) is January (8°C).
Average pressure in December
Unión de San Antonio, Mexico
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).
Average wind speed in December
Unión de San Antonio, Mexico
- Average wind speed in December: 7.6km/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 July (7km/h).
Average humidity in December
Unión de San Antonio, Mexico
- Average humidity in December: 54%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (32%).
Average rainfall in December
Unión de San Antonio, Mexico
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is July (102mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in December
Unión de San Antonio, Mexico
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is February (3.3 days).
Average daylight in December /
Average sunshine in December
Unión de San Antonio, 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 months with the most sunshine are January, March, May and December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 6min).
Average sunshine days in December
Unión de San Antonio, Mexico
- Average sunshine days in December: 26.5 days
The months with the most sunshine days are January and December (26.5 days).
The month with the least sunshine days is July (5.7 days).
Average UV index in December
Unión de San Antonio, Mexico
- Average UV index in December: 5
The months with the highest UV index are April and May (UV index 6).
The months with the lowest UV index are January and November (UV index 4).
Average cloud cover in December
Unión de San Antonio, Mexico
- Average cloud cover in December: 12
The months with the most cloud cover are July and September (Cloud cover 34).
The month with the least cloud cover is March (Cloud cover 10).
Average visibility in December
Unión de San Antonio, 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).
Unión de San Antonio, Mexico
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