Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Shamrock observes a minor decrease in the average high-temperature with the arrival of December, falling from November's mild 59.2°F (15.1°C) to a chilly 48.4°F (9.1°C). During the month of December, Shamrock's nighttime temperature lowers to an average of 34.3°F (1.3°C).Humidity
In December, the average relative humidity in Shamrock 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, during 1 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, there are 5.9 snowfall days, and 3.27" (83mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 5:12 pm. On the last day of December, in Shamrock, sunrise is at 7:36 am and sunset at 5:22 pm CST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months 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 the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the average December temperature in Shamrock?
What is the average humidity in December in Shamrock?
What is the driest month in Shamrock?
How much does it rain in Shamrock in December?
How many days does it snow in December in Shamrock?
What is the month with the shortest days in Shamrock?
What is the average length of the day in December in Shamrock?
What time are sunrise and sunset in December in Shamrock?
What is the month with the least sunshine in Shamrock?
How long on average sun shines in December in Shamrock?
What are the months with the lowest UV index in Shamrock?
What is the UV index reading in December in Shamrock?
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 5min
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 4min
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).
Shamrock, Oklahoma, USA
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