December weather forecast
Grand Pass, MO

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Weather in December

December, the first month of the winter in Grand Pass, is also a wintry month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 27°F (-2.8°C).

Temperature

Grand Pass's transition into December involves a shift in temperature, receding from a cool 52.2°F (11.2°C) in November to an icy 40.1°F (4.5°C). In December, the average low-temperature is a freezing cold 27°F (-2.8°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Grand Pass, in December, it is raining for 6.2 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 136.7 rainfall days, and 27.87" (708mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, October through December. In Grand Pass, in December, during 3.5 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, in Grand Pass, there are 18.3 snowfall days, and 9.69" (246mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:01 pm CST.

Sunshine

The average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

Grand Pass in December has an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 27°F (-2.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 93.2°F (34°C).

What is the average humidity in December?

In Grand Pass, Missouri, the average relative humidity in December is 76%.

How much does it rain in Grand Pass in December?

In December, the rain falls for 6.2 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How many days does it snow in December?

In Grand Pass, in December, during 3.5 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Grand Pass have in December?

In Grand Pass, Missouri, the average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:01 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 5.2h.

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?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Grand Pass, MO

Average temperature in December - Grand Pass, MO
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Grand Pass, MO

Average pressure in December - Grand Pass, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Grand Pass, MO

Average wind speed in December - Grand Pass, MO
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Grand Pass, MO

Average humidity in December - Grand Pass, MO
  • Average humidity in December: 76%

The months with the highest relative humidity are May, June, July and August (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Grand Pass, MO

Average rainfall in December - Grand Pass, MO
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in December
Grand Pass, MO

Average rainfall days in December - Grand Pass, MO
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in December
Grand Pass, MO

Average snowfall in December - Grand Pass, MO
  • Average snowfall in December: 1.18"

The month with the highest snowfall is February (3.11").
The months with the least snowfall are April, June, July, August and September (0").

Average snowfall days in December
Grand Pass, MO

Average snowfall days in December - Grand Pass, MO
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Grand Pass, MO

Average daylight in December / Average sunshine in December - Grand Pass, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Grand Pass, MO

Average sunshine days in December - Grand Pass, MO
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is December (21.4 days).
The months with the least sunshine days are May and June (12.1 days).

Average UV index in December
Grand Pass, MO

Average UV index in December - Grand Pass, 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
Grand Pass, MO

Average cloud cover in December - Grand Pass, MO
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
Grand Pass, MO

Average visibility in December - Grand Pass, 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).

Grand Pass, Missouri, USA

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