December weather forecast
Morley, MO

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Weather in December

The first month of the winter, December, is also a frosty month in Morley, Missouri, with an average temperature fluctuating between 34.2°F (1.2°C) and 46.6°F (8.1°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a mild 55.6°F (13.1°C) to a chilly 46.6°F (8.1°C). In December, Morley experiences a temperature dip to an average of 34.2°F (1.2°C) at night.

Humidity

In December, the average relative humidity in Morley is 77%.

Rainfall

In Morley, Missouri, during December, the rain falls for 10.9 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Morley, during the entire year, the rain falls for 158.6 days and collects up to 38.5" (978mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Morley, in December, snow falls for 1.6 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, in Morley, there are 11 snowfall days, and 5.08" (129mm) of snow is accumulated.

Daylight

The month with the shortest days in Morley is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:51 pm CST.

Sunshine

In Morley, the average sunshine in December is 5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Morley?

The high-temperature, in December, in Morley, records 46.6°F (8.1°C), while the low-temperature is 34.2°F (1.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December in Morley?

The average relative humidity in December in Morley, Missouri, is 77%.

How much does it rain in Morley in December?

In Morley, Missouri, in December, it is raining for 10.9 days, with typically 3.03" (77mm) of accumulated precipitation.

How many days does it snow in December in Morley?

In Morley, in December, during 1.6 snowfall days, 0.67" (17mm) of snow is typically accumulated.

What is the month with the shortest days in Morley?

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

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

In December, the average day length is 9h and 40min.

When are sunrise and sunset in December in Morley?

On the first day of December in Morley, Missouri, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Morley?

The average sunshine duration in December is 5h.

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

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

What is the UV index intensity in December in Morley?

In December, the average daily maximum UV index in Morley, Missouri, is 2. A UV Index reading of 2, and below, represents 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
Morley, MO

Average temperature in December - Morley, MO
  • Average high temperature in December: 46.6°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (41.9°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in December
Morley, MO

Average pressure in December - Morley, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Morley, MO

Average wind speed in December - Morley, MO
  • Average wind speed in December: 8.7mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Morley, MO

Average humidity in December - Morley, MO
  • Average humidity in December: 77%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Morley, MO

Average rainfall in December - Morley, MO
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in December
Morley, MO

Average rainfall days in December - Morley, MO
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in December
Morley, MO

Average snowfall in December - Morley, MO
  • Average snowfall in December: 0.67"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Morley, MO

Average snowfall days in December - Morley, MO
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (3.7 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
Morley, MO

Average daylight in December / Average sunshine in December - Morley, MO
  • 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 42min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Morley, MO

Average sunshine days in December - Morley, MO
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in December
Morley, MO

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

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

Average cloud cover in December
Morley, MO

Average cloud cover in December - Morley, MO
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in December
Morley, MO

Average visibility in December - Morley, 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).

Morley, Missouri, USA

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