December weather forecastSan Francisco Plaza, NM
December
Weather in December
December, the first month of the winter in San Francisco Plaza, is still a cold month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 41.5°F (5.3°C).Temperature
In the transition to December, San Francisco Plaza observes a drop in the average high-temperature, moving from a cool 51.8°F (11°C) in November to a wintry 41.5°F (5.3°C). San Francisco Plaza, during the month of December, experiences an average low-temperature of 23.4°F (-4.8°C).Humidity
The average relative humidity in December is 64%.Rainfall
In San Francisco Plaza, during December, the rain falls for 3.7 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 105.2 rainfall days, and 20.71" (526mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in San Francisco Plaza. In San Francisco Plaza, in December, during 8.4 snowfall days, 7.8" (198mm) of snow is typically accumulated. In San Francisco Plaza, during the entire year, snow falls for 35.4 days and aggregates up to 28.98" (736mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:17 pm MST.
Sunshine
With an average of 6.6h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Francisco Plaza, NM
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is June (78.1°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
San Francisco Plaza, NM
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
San Francisco Plaza, NM
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
San Francisco Plaza, NM
- Average humidity in December: 64%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (29%).
Average rainfall in December
San Francisco Plaza, NM
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (5.43").
The driest month (with the least rainfall) is April (0.59").
Average rainfall days in December
San Francisco Plaza, NM
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in December
San Francisco Plaza, NM
- Average snowfall in December: 7.8"
The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
San Francisco Plaza, NM
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is December (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
San Francisco Plaza, NM
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
San Francisco Plaza, NM
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (4 days).
Average UV index in December
San Francisco Plaza, NM
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
San Francisco Plaza, NM
- Average cloud cover in December: 26
The month with the most cloud cover is July (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
San Francisco Plaza, NM
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





