December weather forecastWestport, OK
December
Weather in December
December, the first month of the winter in Westport, is still a chilly month, with an average temperature ranging between min 34.3°F (1.3°C) and max 48.4°F (9.1°C).Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's moderate 59.2°F (15.1°C) to a frosty 48.4°F (9.1°C). Westport's average low-temperature in December is measured at a wintry 34.3°F (1.3°C).Humidity
In December, the average relative humidity in Westport, Oklahoma, is 68%.Rainfall
In Westport, during December, the rain falls for 4.6 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 108.2 rainfall days, and 16.69" (424mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Westport, in December, during 1.3 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Westport, during the entire year, snow falls for 6.4 days and aggregates up to 1.69" (43mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:20 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.8h 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind you! Snow reflection can increase the intensity of 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
Westport, OK
- Average high temperature in December: 48.4°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Westport, 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
Westport, OK
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are March and April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Westport, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is January (66%).
Average rainfall in December
Westport, OK
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Westport, OK
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.6 days).
Average snowfall in December
Westport, OK
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Westport, OK
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.5 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
Westport, OK
- Average daylight in December: 9h and 42min
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: 5h and 48min
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 48min).
Average sunshine days in December
Westport, OK
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in December
Westport, 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
Westport, OK
- Average cloud cover in December: 34
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Westport, 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).
