December weather forecast
Thornfield, MO

Share

Weather in December

The first month of the winter, December, is also a frosty month in Thornfield, Missouri, with an average temperature ranging between max 47.3°F (8.5°C) and min 32.2°F (0.1°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a refreshing 56.5°F (13.6°C) in November to a frosty 47.3°F (8.5°C). Thornfield experiences an average temperature drop to an icy 32.2°F (0.1°C) during December nights.

Humidity

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

Rainfall

In Thornfield, in December, it is raining for 7.8 days, with typically 1.93" (49mm) of accumulated precipitation. In Thornfield, during the entire year, the rain falls for 136.4 days and collects up to 30.98" (787mm) of precipitation.

Snowfall

Months with snowfall in Thornfield are January through March, November and December. In Thornfield, in December, during 1.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. In Thornfield, during the entire year, snow falls for 12.7 days and aggregates up to 5.35" (136mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:04 pm CST.

Sunshine

In Thornfield, the average sunshine in December is 5.3h.

UV index

The months with the lowest UV index are January, February 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 radiation for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Thornfield?

The high-temperature, in December, in Thornfield, records 47.3°F (8.5°C), while the low-temperature is 32.2°F (0.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 87.8°F (31°C).

What is the average humidity in December in Thornfield?

The average relative humidity in December in Thornfield, Missouri, is 76%.

How many days does it rain in December in Thornfield?

In Thornfield, Missouri, in December, during 7.8 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How many days does it snow in December in Thornfield?

In Thornfield, Missouri, in December, during 1.9 snowfall days, 1.1" (28mm) of snow is typically accumulated.

What is the month with the shortest days in Thornfield?

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

How many hours of daylight does Thornfield have in December?

In Thornfield, Missouri, the average day length in December is 9h and 42min.

What time are sunrise and sunset in December in Thornfield?

On the first day of December in Thornfield, sunrise is at 7:05 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:04 pm CST.

How many hours of sunshine does Thornfield have in December?

In Thornfield, Missouri, the average sunshine duration in December is 5.3h.

When is the lowest UV index in Thornfield?

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

How high is the UV index in December in Thornfield?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Thornfield, MO

Average temperature in December - Thornfield, MO
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in December
Thornfield, MO

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

Average wind speed in December
Thornfield, MO

Average wind speed in December - Thornfield, MO
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Thornfield, MO

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

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in December
Thornfield, MO

Average rainfall in December - Thornfield, MO
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Thornfield, MO

Average rainfall days in December - Thornfield, MO
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Thornfield, MO

Average snowfall in December - Thornfield, MO
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Thornfield, MO

Average snowfall days in December - Thornfield, MO
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (4.4 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
Thornfield, MO

Average daylight in December / Average sunshine in December - Thornfield, MO
  • Average daylight in December: 9h and 4min

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

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in December
Thornfield, MO

Average sunshine days in December - Thornfield, MO
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in December
Thornfield, MO

Average UV index in December - Thornfield, 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
Thornfield, MO

Average cloud cover in December - Thornfield, MO
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in December
Thornfield, MO

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

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

Thornfield, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location