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's arrival brings an average high-temperature of an agreeable 22.8°C (73°F), demonstrating subtle variation from the preceding month. San José de la Montaña records a marked daily temperature contrast, with an average low-temperature of 8.8°C (47.8°F) during the nights of December.Humidity
In San José de la Montaña, the average relative humidity in December is 55%.Rainfall
The months with the least rainfall are January and December Rain falls for 2.5 days and accumulates 5mm (0.2") of rain.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 7:04 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 6:14 pm CST.
Sunshine
The month with the most sunshine is December, with an average of 9.9h of sunshine.UV index
In San José de la Montaña, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in December translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What month has the most sunshine in San José de la Montaña?
How many hours of sunshine does San José de la Montaña have in December?
What is the UV index reading in December?
Average temperature in December
San José de la Montaña, Mexico
- Average high temperature in December: 22.8°C
The warmest month (with the highest average high temperature) is May (31°C).
The month with the lowest average high temperature is January (22.3°C).
- Average low temperature in December: 8.8°C
The month with the highest average low temperature is May (15.9°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).
Average pressure in December
San José de la Montaña, Mexico
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is January (1018mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).
Average wind speed in December
San José de la Montaña, Mexico
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest month (with the lowest average wind speed) is July (6.7km/h).
Average humidity in December
San José de la Montaña, Mexico
- Average humidity in December: 55%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is April (36%).
Average rainfall in December
San José de la Montaña, Mexico
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is July (105mm).
The driest months (with the least rainfall) are January and December (5mm).
Average rainfall days in December
San José de la Montaña, Mexico
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is December (2.5 days).
Average daylight in December /
Average sunshine in December
San José de la Montaña, 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 12min).
Average sunshine days in December
San José de la Montaña, 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 July (5.6 days).
Average UV index in December
San José de la Montaña, Mexico
- Average UV index in December: 5
The months with the highest UV index are March, April and May (UV index 6).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
San José de la Montaña, Mexico
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 10).
Average visibility in December
San José de la Montaña, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (8km).
San José de la Montaña, Mexico
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