December weather forecastTombstone, AZ
December
Weather in December
December, the first month of the winter in Tombstone, is still a mild month, with an average temperature varying between 57°F (13.9°C) and 38.1°F (3.4°C).Temperature
December, with its average high-temperature of 57°F (13.9°C) and an average low-temperature of 38.1°F (3.4°C), holds the record as the coldest month.Humidity
The most humid month is December, with an average relative humidity of 49%.Rainfall
In Tombstone, during December, the rain falls for 6.5 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Tombstone, during the entire year, the rain falls for 87 days and collects up to 12.09" (307mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 0.87" (22mm) of snow. Throughout the year, there are 2.6 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:27 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 7h of sunshine.UV index
The months with the lowest UV index in Tombstone are January, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tombstone, AZ
- Average high temperature in December: 57°F
The warmest month (with the highest average high temperature) is June (91.9°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Tombstone, AZ
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Tombstone, AZ
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Tombstone, AZ
- Average humidity in December: 49%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).
Average rainfall in December
Tombstone, AZ
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in December
Tombstone, AZ
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is May (2.2 days).
Average snowfall in December
Tombstone, AZ
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Tombstone, AZ
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Tombstone, AZ
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Tombstone, AZ
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is May (28.3 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in December
Tombstone, AZ
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Tombstone, AZ
- Average cloud cover in December: 20
The month with the most cloud cover is July (Cloud cover 21).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in December
Tombstone, AZ
- 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).
