December weather forecast
Plato, MO

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Weather in December

The first month of the winter, December, is also a frosty month in Plato, Missouri, with an average temperature fluctuating between 43.5°F (6.4°C) and 29.5°F (-1.4°C).

Temperature

The start of December involves a temperature drop, moving from a cool 53.8°F (12.1°C) in November to a chilly 43.5°F (6.4°C). Plato, in December, observes a steady average low-temperature of 29.5°F (-1.4°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Plato, in December, it is raining for 7.5 days, with typically 2.01" (51mm) of accumulated precipitation. In Plato, during the entire year, the rain falls for 148.9 days and collects up to 32.4" (823mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Plato, Missouri. In Plato, in December, snow falls for 3.9 days, with typically accumulated 1.81" (46mm) of snow. Throughout the year, in Plato, there are 20.1 snowfall days, and 9.96" (253mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Plato, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:01 pm CST.

Sunshine

In Plato, the average sunshine in December is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take to heart! Snow reflection can almost 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

How cold is December in Plato?

During December, Plato experiences an average high-temperature of 43.5°F (6.4°C) and a low-temperature of 29.5°F (-1.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 100.4°F (38°C).

What is the average humidity in December in Plato?

In December, the average relative humidity in Plato is 76%.

How many days does it rain in December in Plato?

In Plato, Missouri, during December, the rain falls for 7.5 days and regularly aggregates up to 2.01" (51mm) of precipitation.

How many days does it snow in December in Plato?

In Plato, Missouri, during December, snow falls for 3.9 days and regularly aggregates up to 1.81" (46mm) of snow.

What is the month with the shortest days in Plato?

The month with the shortest days in Plato is December, with an average of 9h and 36min of daylight.

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

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

What time are sunrise and sunset in December in Plato?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:50 pm. On the last day of the month, in Plato, Missouri, sunrise is at 7:23 am and sunset at 5:01 pm CST.

How many hours of sunshine does Plato have in December?

In Plato, Missouri, the average sunshine duration in December is 5.2h.

What is the month with the lowest UV index in Plato?

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

How high is the UV index in December in Plato?

The average daily maximum UV index in December in Plato is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Plato, MO

Average temperature in December - Plato, MO
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in December: 29.5°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 (25.2°F).

Average pressure in December
Plato, MO

Average pressure in December - Plato, MO
  • 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 (29.93"Hg).

Average wind speed in December
Plato, MO

Average wind speed in December - Plato, MO
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity in December
Plato, MO

Average humidity in December - Plato, MO
  • Average humidity in December: 76%

The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).

Average rainfall in December
Plato, MO

Average rainfall in December - Plato, MO
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days in December
Plato, MO

Average rainfall days in December - Plato, MO
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).

Average snowfall in December
Plato, MO

Average snowfall in December - Plato, MO
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Plato, MO

Average snowfall days in December - Plato, MO
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Plato, MO

Average daylight in December / Average sunshine in December - Plato, 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 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Plato, MO

Average sunshine days in December - Plato, 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 July (11.6 days).

Average UV index in December
Plato, MO

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

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

Average cloud cover in December
Plato, MO

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

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Plato, MO

Average visibility in December - Plato, MO
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Plato, Missouri, USA

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