December weather forecastMoore, OK
December
Weather in December
December in Moore is synonymous with the start of winter, leading to an ambiance adorned by a snowy landscape. The dramatic transition from November is marked by the first snowfall, the city recording 0.75" (19mm). With the arrival of the colder temperatures, residents snuggle up and brace for the winter chill. In this transition, the beauty of Moore snow-covered vistas remains undisputed, marking a beautiful close to the year.Temperature
In December, the average high-temperature goes from a refreshing 59.9°F (15.5°C) in November to a frosty 49.3°F (9.6°C). An average nighttime temperature of 34.3°F (1.3°C) is recorded during December.Humidity
In Moore, the average relative humidity in December is 66%.Rainfall
In Moore, during December, the rain falls for 6.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Moore, during the entire year, the rain falls for 121.9 days and collects up to 25.08" (637mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Moore. In Moore, in December, snow falls for 1.5 days, with typically accumulated 0.75" (19mm) of snow. In Moore, during the entire year, snow falls for 6.7 days and aggregates up to 3.46" (88mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Moore.On the first day of the month, sunrise is at 7:21 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:38 am and sunset at 5:27 pm CST.
Sunshine
With an average of 5.9h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moore, OK
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Moore, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Moore, OK
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Moore, OK
- Average humidity in December: 66%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Moore, OK
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Moore, OK
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in December
Moore, OK
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Moore, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.3 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
Moore, OK
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Moore, OK
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Moore, OK
- 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
Moore, OK
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Moore, OK
- 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).





