December weather forecast
Weir, KS

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Weather in December

The first month of the winter, December, is still a chilly month in Weir, Kansas, with an average temperature ranging between min 31.1°F (-0.5°C) and max 45°F (7.2°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a mild 55.8°F (13.2°C) in November to a chilly 45°F (7.2°C). During December, Weir's temperature averages to a freezing cold 31.1°F (-0.5°C) at night.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Weir, in December, during 6.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Weir, there are 143.6 rainfall days, and 32.83" (834mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Weir are January through May, November and December. In Weir, Kansas, in December, snow falls for 2.3 days, with typically accumulated 0.87" (22mm) of snow. In Weir, during the entire year, snow falls for 14.1 days and aggregates up to 5.87" (149mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Weir.
On the first day of December, sunrise is at 7:15 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:11 pm CST.

Sunshine

In Weir, the average sunshine in December is 5.6h.

UV index

The months with the lowest UV index in Weir are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Weir in December?

An average high-temperature, in December, in Weir, is 45°F (7.2°C) and the average low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 98.6°F (37°C).

What is the average humidity in December in Weir?

In Weir, the average relative humidity in December is 73%.

How much does it rain in Weir in December?

In Weir, in December, during 6.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

How many days does it snow in December in Weir?

In Weir, in December, snow falls for 2.3 days, with typically accumulated 0.87" (22mm) of snow.

What is the month with the shortest days in Weir?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Weir have in December?

In Weir, the average day length in December is 9h and 38min.

When are sunrise and sunset in December in Weir?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:11 pm CST.

How long on average sun shines in December in Weir?

In December, the average sunshine duration in Weir, Kansas, is 5.6h.

What are the months with the lowest UV index in Weir?

The months with the lowest UV index in Weir, Kansas, are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December in Weir?

In Weir, Kansas, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Weir, KS

Average temperature in December - Weir, KS
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Weir, KS

Average pressure in December - Weir, KS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Weir, KS

Average wind speed in December - Weir, KS
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity in December
Weir, KS

Average humidity in December - Weir, KS
  • Average humidity in December: 73%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (71%).

Average rainfall in December
Weir, KS

Average rainfall in December - Weir, KS
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is May (5.67").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in December
Weir, KS

Average rainfall days in December - Weir, KS
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (6.9 days).

Average snowfall in December
Weir, KS

Average snowfall in December - Weir, KS
  • Average snowfall in December: 0.87"

The month with the highest snowfall is February (2.4").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Weir, KS

Average snowfall days in December - Weir, KS
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Weir, KS

Average daylight in December / Average sunshine in December - Weir, KS
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December
Weir, KS

Average sunshine days in December - Weir, KS
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in December
Weir, KS

Average UV index in December - Weir, KS
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Weir, KS

Average cloud cover in December - Weir, KS
  • Average cloud cover in December: 39

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 25).

Average visibility in December
Weir, KS

Average visibility in December - Weir, KS
  • 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).

Weir, Kansas, USA

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