December weather forecastMasham, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in Masham, Oklahoma, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 48°F (8.9°C).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a refreshing 58.8°F (14.9°C) in November to a chilly 48°F (8.9°C). Masham's temperature in December lowers to a consistent average of 33.1°F (0.6°C) during the nights.Humidity
In December, the average relative humidity in Masham is 67%.Rainfall
December is the month with the least rainfall. Rain falls for 6.1 days and accumulates 0.91" (23mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Masham, during December, snow falls for 1.2 days and regularly aggregates up to 0.28" (7mm) of snow. In Masham, during the entire year, snow falls for 6.3 days and aggregates up to 2.72" (69mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:22 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Masham, OK
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Masham, 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
Masham, OK
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Masham, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, August and October (65%).
Average rainfall in December
Masham, OK
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in December
Masham, OK
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Masham, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Masham, OK
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.4 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
Masham, OK
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Masham, OK
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Masham, 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
Masham, OK
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Masham, 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).
