December weather forecastJerome, AZ
December
Weather in December
The first month of the winter, December, is also a fresh month in Jerome, Arizona, with an average temperature fluctuating between 31.8°F (-0.1°C) and 50.7°F (10.4°C).Temperature
Jerome notes the coldest temperatures in December, with a high average of 50.7°F (10.4°C) and a low of 31.8°F (-0.1°C).Humidity
The most humid month in Jerome, Arizona, is December, with an average relative humidity of 57%.Rainfall
In Jerome, Arizona, in December, it is raining for 6.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Jerome, during the entire year, the rain falls for 79 days and collects up to 11.42" (290mm) of precipitation.Snowfall
Months with snowfall are January through April, September, November and December. December is the month with the most snowfall in Jerome. Snow falls for 3.5 days and accumulates 4.02" (102mm) of snow.Daylight
The month with the shortest days in Jerome, Arizona, is December, with an average of 9h and 54min of daylight.On the first day of December in Jerome, sunrise is at 7:18 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:27 pm MST.
Sunshine
The months with the least sunshine in Jerome are January and December, with an average of 6.9h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jerome, AZ
- Average high temperature in December: 50.7°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (50.7°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in December
Jerome, AZ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Jerome, AZ
- Average wind speed in December: 5.4mph
The windiest months (with the highest average wind speed) are April and May (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Jerome, AZ
- Average humidity in December: 57%
The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is June (23%).
Average rainfall in December
Jerome, AZ
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Jerome, AZ
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in December
Jerome, AZ
- Average snowfall in December: 4.02"
The month with the highest snowfall is December (4.02").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Jerome, AZ
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Jerome, AZ
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 54min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 54min).
Average sunshine days in December
Jerome, AZ
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in December
Jerome, AZ
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Jerome, AZ
- Average cloud cover in December: 22
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in December
Jerome, 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).
