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
Guymon's December weather reaches an average high of 47.7°F (8.7°C) and an average low of 28.9°F (-1.7°C), making it the coldest month.Humidity
December is the most humid month, with an average relative humidity of 56%.Rainfall
In Guymon, during December, the rain falls for 3.6 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Guymon, during the entire year, the rain falls for 88.2 days and collects up to 13.39" (340mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Guymon, Oklahoma, during December, snow falls for 2.6 days and regularly aggregates up to 1.02" (26mm) of snow. In Guymon, during the entire year, snow falls for 14.6 days and aggregates up to 6.42" (163mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:40 pm CST.
Sunshine
The month with the least sunshine in Guymon, Oklahoma, is December, with an average of 6.7h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Guymon have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Guymon?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Guymon, OK
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (72.1°F).
The coldest months (with the lowest average low temperature) are January and December (28.9°F).
Average pressure in December
Guymon, OK
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Guymon, OK
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is June (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity in December
Guymon, OK
- Average humidity in December: 56%
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is June (44%).
Average rainfall in December
Guymon, OK
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days in December
Guymon, OK
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in December
Guymon, OK
- Average snowfall in December: 1.02"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Guymon, OK
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (4.8 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
Guymon, OK
- Average daylight in December: 9h and 4min
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 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Guymon, OK
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Guymon, 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
Guymon, OK
- Average cloud cover in December: 23
The month with the most cloud cover is February (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in December
Guymon, 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).
Guymon, Oklahoma, USA
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