December weather forecastHammon, OK
December
Weather in December
The first month of the winter, December, is still a chilly month in Hammon, Oklahoma, with an average temperature ranging between max 49.3°F (9.6°C) and min 32.2°F (0.1°C).Temperature
Hammon records the coldest temperatures in December, averaging a high of 49.3°F (9.6°C) and a low of 32.2°F (0.1°C).Humidity
In December, the average relative humidity is 61%.Rainfall
In Hammon, in December, during 3.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 98.4 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 1.8 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 8.6 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:29 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:34 pm CST.
Sunshine
December has the least sunshine of the year in Hammon, with an average of 6.5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hammon, OK
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Hammon, OK
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Hammon, OK
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in December
Hammon, OK
- Average humidity in December: 61%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is August (51%).
Average rainfall in December
Hammon, OK
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in December
Hammon, OK
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (12.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in December
Hammon, OK
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hammon, OK
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hammon, 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: 6h and 30min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Hammon, OK
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (15.1 days).
Average UV index in December
Hammon, 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
Hammon, OK
- Average cloud cover in December: 25
The months with the most cloud cover are March and April (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Hammon, 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).





