December weather forecast
Kilwinning, MO

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Weather in December

December, the first month of the winter in Kilwinning, is also a wintry month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 37°F (2.8°C).

Temperature

In December, the meteorological conditions alter, with the average high-temperature shifting from a chilly 49.3°F (9.6°C) in November to a wintry 37°F (2.8°C). Kilwinning observes an average nighttime low-temperature of 25.2°F (-3.8°C) during the month of December.

Humidity

The average relative humidity in December in Kilwinning is 79%.

Rainfall

In December, the rain falls for 6.3 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Kilwinning, during the entire year, the rain falls for 136.6 days and collects up to 28.5" (724mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Kilwinning, in December, during 4.7 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, there are 25.3 snowfall days, and 13.86" (352mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:52 pm CST.

Sunshine

The average sunshine in December in Kilwinning is 4.7h.

UV index

The months with the lowest UV index in Kilwinning are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Kilwinning?

The high-temperature, in December, in Kilwinning, is 37°F (2.8°C), while the low-temperature averages to 25.2°F (-3.8°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the average humidity in December?

In Kilwinning, the average relative humidity in December is 79%.

How much does it rain in Kilwinning in December?

In Kilwinning, in December, during 6.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

How many days does it snow in December in Kilwinning?

In Kilwinning, in December, during 4.7 snowfall days, 1.46" (37mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 20min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:14 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:52 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Kilwinning, MO

Average temperature in December - Kilwinning, MO
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 25.2°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Kilwinning, MO

Average pressure in December - Kilwinning, MO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Kilwinning, MO

Average wind speed in December - Kilwinning, MO
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in December
Kilwinning, MO

Average humidity in December - Kilwinning, MO
  • Average humidity in December: 79%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Kilwinning, MO

Average rainfall in December - Kilwinning, MO
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in December
Kilwinning, MO

Average rainfall days in December - Kilwinning, MO
  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December
Kilwinning, MO

Average snowfall in December - Kilwinning, MO
  • Average snowfall in December: 1.46"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Kilwinning, MO

Average snowfall days in December - Kilwinning, MO
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (7.5 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
Kilwinning, MO

Average daylight in December / Average sunshine in December - Kilwinning, MO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Kilwinning, MO

Average sunshine days in December - Kilwinning, MO
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in December
Kilwinning, MO

Average UV index in December - Kilwinning, MO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Kilwinning, MO

Average cloud cover in December - Kilwinning, MO
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

Average visibility in December
Kilwinning, MO

Average visibility in December - Kilwinning, MO
  • 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).

Kilwinning, Missouri, USA

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