December weather forecast
Westport, OK

Share

Weather in December

December, the first month of the winter in Westport, is also a frosty month, with an average temperature ranging between min 34.3°F (1.3°C) and max 48.4°F (9.1°C).

Temperature

Welcoming December, Westport observes a shift in the average high-temperature, falling from November's moderate 59.2°F (15.1°C) to a chilly 48.4°F (9.1°C). In Westport, an average temperature of 34.3°F (1.3°C) is noted during December nights.

Humidity

The average relative humidity in December is 68%.

Rainfall

In December, in Westport, the rain falls for 4.6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Westport, during the entire year, the rain falls for 108.2 days and collects up to 16.69" (424mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Westport, during December, snow falls for 1.3 days and regularly aggregates up to 0.2" (5mm) of snow. In Westport, during the entire year, snow falls for 6.4 days and aggregates up to 1.69" (43mm) of snow.

Daylight

December has the shortest days of the year in Westport, with an average of 9h and 42min of daylight.
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, in Westport, sunrise is at 7:36 am and sunset at 5:20 pm CST.

Sunshine

December has the least sunshine of the year, 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
[Resources]

Frequently asked questions

What is the average December temperature in Westport?

The high-temperature, in December, in Westport, records 48.4°F (9.1°C), while the low-temperature is 34.3°F (1.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in December in Westport?

In December, the average relative humidity in Westport is 68%.

How many days does it rain in December in Westport?

In December, the rain falls for 4.6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

How much does it snow in Westport in December?

In Westport, Oklahoma, in December, during 1.3 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days in Westport?

With an average of 9h and 42min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Westport?

In December, the average day length in Westport, Oklahoma, is 9h and 44min.

When are sunrise and sunset in December in Westport?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Westport?

December has the least sunshine of the year in Westport, Oklahoma, with an average of 5.8h of sunshine.

How many hours of sunshine does Westport have in December?

The average sunshine duration in December in Westport, Oklahoma, is 5.8h.

When is the lowest UV index in Westport?

The month with the lowest UV index in Westport is December, with an average maximum UV index of 2.

What is the UV index intensity in December in Westport?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Westport, OK

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).

[Resources]

Average pressure in December
Westport, OK

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).

[Resources]

Average wind speed in December
Westport, OK

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).

[Resources]

Average humidity in December
Westport, OK

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%).

[Resources]

Average rainfall in December
Westport, OK

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").

[Resources]

Average rainfall days in December
Westport, OK

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).

[Resources]

Average snowfall in December
Westport, OK

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").

[Resources]

Average snowfall days in December
Westport, OK

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).

[Resources]

Average daylight in December /
Average sunshine in December
Westport, OK

Average daylight in December / Average sunshine in December - Westport, 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: 5h and 5min

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).

[Resources]

Average sunshine days in December
Westport, OK

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).

[Resources]

Average UV index in December
Westport, OK

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).

[Resources]

Average cloud cover in December
Westport, OK

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).

[Resources]

Average visibility in December
Westport, OK

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).

[Resources]

Westport, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location