Weather in December
Temperature
In Mount Lemmon, the average high-temperature in December slightly decreases from a mild 56.3°F (13.5°C) in November to a fresh 50.5°F (10.3°C). In December, in Mount Lemmon, the average low-temperature is 24.3°F (-4.3°C).Rainfall
In Mount Lemmon, it is raining for 5 days, with typically 2.6" (66mm) of accumulated precipitation. In Mount Lemmon, during the entire year, the rain falls for 59 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. Throughout December, 10.98" (279mm) of snow is accumulated. In Mount Lemmon, during the entire year, snow aggregates up to 64.92" (1649mm).Daylight
With an average of 10h and 4min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:06 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:27 pm MST.
Sunshine
January and December, with an average of 7.8h of sunshine, are months with the least sunshine in Mount Lemmon.FAQ
What is the temperature in December in Mount Lemmon?
How many days does it rain in December in Mount Lemmon?
How much does it snow in Mount Lemmon in December?
What is the month with the shortest days in Mount Lemmon?
What is the average length of the day in December in Mount Lemmon?
When is the sunrise / sunset in December in Mount Lemmon?
What are the months with the least sunshine in Mount Lemmon?
How many hours of sunshine does Mount Lemmon have in December?
Average temperature in December
Mount Lemmon, AZ
- Average high temperature in December: 50.6°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is February (48.3°F).
- Average low temperature in December: 24.3°F
The months with the highest average low temperature are July and August (49.8°F).
The coldest month (with the lowest average low temperature) is February (21.8°F).
Average rainfall in December
Mount Lemmon, AZ
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is August (7").
The driest month (with the least rainfall) is May (0.3").
Average rainfall days in December
Mount Lemmon, AZ
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is August (11 days).
The months with the least rainy days are May and June (2 days).
Average snowfall in December
Mount Lemmon, AZ
- Average snowfall in December: 11"
The month with the highest snowfall is February (20.4").
The months with the least snowfall are May, June, July, August and September (0").
Average daylight in December /
Average sunshine in December
Mount Lemmon, AZ
- Average daylight in December: 10h and 4min
The month with the longest days is June (Average daylight: 14h and 15min).
The month with the shortest days is December (Average daylight: 10h and 4min).
- Average sunshine in December: 7h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The months with the least sunshine are January and December (Average sunshine: 7h and 48min).
Weather forecast for your location
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