December weather forecastMcLain, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in McLain, Oklahoma, with an average temperature varying between 35.6°F (2°C) and 49.1°F (9.5°C).Temperature
McLain's December weather features a mild decline in high-temperatures, reducing from a moderate 60.1°F (15.6°C) in November to a frosty 49.1°F (9.5°C). McLain's average low-temperature during December nights is observed to be a cold 35.6°F (2°C).Humidity
In McLain, the average relative humidity in December is 72%.Rainfall
In McLain, in December, it is raining for 8.5 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 136.6 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In McLain, during December, snow falls for 0.6 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 4.7 snowfall days, and 2.28" (58mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:18 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McLain, OK
- Average high temperature in December: 49.1°F
The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in December
McLain, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
McLain, OK
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
McLain, OK
- Average humidity in December: 72%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
McLain, OK
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in December
McLain, OK
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
McLain, OK
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
McLain, OK
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.8 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
McLain, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
McLain, OK
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
McLain, 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
McLain, OK
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
McLain, 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).





