December weather forecastDeming, WA
December
Weather in December
The first month of the winter, December, is also a wintry month in Deming, Washington, with an average temperature fluctuating between 39.6°F (4.2°C) and 31.6°F (-0.2°C).Temperature
Temperature readings reach their annual highs in December, averaging 39.6°F (4.2°C) and a minimum average of 31.6°F (-0.2°C).Humidity
The average relative humidity in December in Deming is 85%.Rainfall
In December, the rain falls for 19.9 days. Throughout December, 6.3" (160mm) of precipitation is accumulated. Throughout the year, there are 194.7 rainfall days, and 48.66" (1236mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Deming, in December, during 2.5 snowfall days, 1.26" (32mm) of snow is typically accumulated. In Deming, Washington, during the entire year, snow falls for 12.8 days and aggregates up to 9.45" (240mm) of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:41 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:22 pm PST.
Sunshine
In Deming, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Deming, WA
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is August (73.2°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is August (51.3°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).
Average pressure in December
Deming, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed in December
Deming, WA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in December
Deming, WA
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Deming, WA
- Average rainfall in December: 6.3"
The wettest month (with the highest rainfall) is November (7.32").
The driest month (with the least rainfall) is July (1.02").
Average rainfall days in December
Deming, WA
- Average rainfall days in December: 19.9 days
The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is August (8.5 days).
Average snowfall in December
Deming, WA
- Average snowfall in December: 1.26"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Deming, WA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Deming, WA
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Deming, WA
- Average sunshine days in December: 9.5 days
The months with the most sunshine days are July and August (20 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in December
Deming, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Deming, WA
- Average cloud cover in December: 58
The months with the most cloud cover are January, March and December (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Deming, WA
- Average visibility in December: 5mi
The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is January (4mi).





