December weather forecastRalston, OK
December
Weather in December
December, the first month of the winter in Ralston, is also a frosty month, with an average temperature varying between 33.1°F (0.6°C) and 48°F (8.9°C).Temperature
December brings a decrease in the average high-temperature, shifting from a moderate 58.8°F (14.9°C) in November to a frosty 48°F (8.9°C). Ralston, during the nights of December, experiences an average temperature drop to an icy 33.1°F (0.6°C).Humidity
The average relative humidity in December is 67%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.1 days and typically collects 0.91" (23mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Ralston, during December, snow falls for 1.2 days and regularly aggregates up to 0.28" (7mm) of snow. In Ralston, Oklahoma, during the entire year, snow falls for 6.3 days and aggregates up to 2.72" (69mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:20 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine is December, 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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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
Ralston, 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).
