December weather forecastCalvin, OK
December
Weather in December
The first month of the winter, December, is still a chilly month in Calvin, Oklahoma, with an average temperature ranging between min 35.6°F (2°C) and max 49.6°F (9.8°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a mild 60.1°F (15.6°C) in November to a chilly 49.6°F (9.8°C). In the month of December, the temperature generally rests at an average low of 35.6°F (2°C).Humidity
The average relative humidity in December is 70%.Rainfall
In Calvin, in December, it is raining for 7.7 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 131 rainfall days, and 28.39" (721mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Calvin, during December, snow falls for 1 days and regularly aggregates up to 0.31" (8mm) of snow. In Calvin, during the entire year, snow falls for 5.7 days and aggregates up to 3.15" (80mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:15 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:23 pm CST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year in Calvin.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 hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calvin, OK
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 35.6°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 (33.3°F).
Average pressure in December
Calvin, 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 (29.89"Hg).
Average wind speed in December
Calvin, OK
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Calvin, OK
- Average humidity in December: 70%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Calvin, OK
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Calvin, OK
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Calvin, OK
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Calvin, OK
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.1 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
Calvin, OK
- Average daylight in December: 9h and 54min
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 54min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Calvin, OK
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in December
Calvin, 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
Calvin, OK
- Average cloud cover in December: 35
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Calvin, 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).
