December weather forecastShamrock, OK
December
Weather in December
December, the first month of the winter in Shamrock, is still a chilly month, with an average temperature varying between 48.4°F (9.1°C) and 34.3°F (1.3°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's moderate 59.2°F (15.1°C) to a chilly 48.4°F (9.1°C). Shamrock registers a consistent average low-temperature of 34.3°F (1.3°C) during December.Humidity
In December, the average relative humidity is 68%.Rainfall
The months with the least rainfall are January and December Rain falls for 6 days and accumulates 1.06" (27mm) of rain.Snowfall
Months with snowfall in Shamrock are January through March, November and December. In Shamrock, in December, snow falls for 1 days, with typically accumulated 0.28" (7mm) of snow. In Shamrock, during the entire year, snow falls for 5.9 days and aggregates up to 3.27" (83mm) of snow.Daylight
The month with the shortest days in Shamrock is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:22 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shamrock, OK
- Average high temperature in December: 48.4°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in December: 34.3°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 (31.3°F).
Average pressure in December
Shamrock, 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
Shamrock, OK
- Average wind speed in December: 9.5mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in December
Shamrock, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Shamrock, OK
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (4.33").
The driest months (with the least rainfall) are January and December (1.06").
Average rainfall days in December
Shamrock, OK
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Shamrock, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Shamrock, OK
- Average snowfall days in December: 1 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 and September (0 days).
Average daylight in December /
Average sunshine in December
Shamrock, OK
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Shamrock, OK
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in December
Shamrock, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Shamrock, OK
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Shamrock, 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).
