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 snowfall in December
- Average snowfall 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 tends to be the coldest month, with temperatures averaging a daily high of 55.2°F (12.9°C) and a low of 36.9°F (2.7°C).Humidity
The most humid month is December, with an average relative humidity of 53%.Rainfall
In December, the rain falls for 7.5 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Calva, there are 75.1 rainfall days, and 8.82" (224mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Calva, there are 1.1 snowfall days, and 0.2" (5mm) of snow is accumulated.Daylight
With an average of 10h and 0min 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 5:13 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:24 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Calva, Arizona. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest month in Calva?
What is the usual temperature for Calva in December?
What is the most humid month in Calva?
What is the average humidity in December in Calva?
How much does it rain in Calva in December?
When does it start snowing in Calva?
What is the month with the shortest days in Calva?
How many hours of daylight does Calva have in December?
When is the sunrise / sunset in December in Calva?
What is the month with the least sunshine in Calva?
How long on average sun shines in December in Calva?
What is the month with the lowest UV index in Calva?
What is the UV index intensity in December in Calva?
Average temperature in December
Calva, AZ
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in December: 36.9°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is December (36.9°F).
Average pressure in December
Calva, AZ
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Calva, AZ
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest months (with the lowest average wind speed) are August and December (5.2mph).
Average humidity in December
Calva, AZ
- Average humidity in December: 53%
The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is June (21%).
Average rainfall in December
Calva, AZ
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is August (1.22").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Calva, AZ
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is June (2.9 days).
Average snowfall in December
Calva, AZ
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Calva, AZ
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Calva, AZ
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Calva, AZ
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is May (26.8 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Calva, AZ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Calva, AZ
- Average cloud cover in December: 23
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in December
Calva, 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).
Calva, Arizona, USA
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