December weather forecast
Silex, MO

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Weather in December

December, the first month of the winter in Silex, is still a cold month, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 41.2°F (5.1°C).

Temperature

Silex's progression into December includes a drop in the average high-temperature, from a cool 52.9°F (11.6°C) in November to a wintry 41.2°F (5.1°C). Silex experiences a consistent average temperature of 29.1°F (-1.6°C) throughout the nights in December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 7.4 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 142.7 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Silex, in December, snow falls for 3.6 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, in Silex, there are 18.6 snowfall days, and 8.31" (211mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Silex, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:51 pm CST.

Sunshine

The average sunshine in December is 4.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

December temperatures vary between a high-temperature of 41.2°F (5.1°C) and a low-temperature of 29.1°F (-1.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Silex, in December, it is raining for 7.4 days, with typically 1.73" (44mm) of accumulated precipitation.

How much does it snow in December?

In Silex, in December, during 3.6 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the month with the shortest days in Silex?

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

How many hours of daylight does Silex have in December?

In Silex, the average day length in December is 9h and 28min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:51 pm CST.

How long on average sun shines in December?

In Silex, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index reading in December in Silex?

In Silex, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Silex, MO

Average temperature in December - Silex, MO
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in December
Silex, MO

Average pressure in December - Silex, 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 (29.91"Hg).

Average wind speed in December
Silex, MO

Average wind speed in December - Silex, MO
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in December
Silex, MO

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Silex, MO

Average rainfall in December - Silex, MO
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in December
Silex, MO

Average rainfall days in December - Silex, MO
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Silex, MO

Average snowfall in December - Silex, MO
  • Average snowfall in December: 1.42"

The months with the highest snowfall are January and February (2.68").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Silex, MO

Average snowfall days in December - Silex, MO
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (6.2 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
Silex, MO

Average daylight in December / Average sunshine in December - Silex, 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: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Silex, MO

Average sunshine days in December - Silex, MO
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in December
Silex, MO

Average UV index in December - Silex, 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
Silex, MO

Average cloud cover in December - Silex, MO
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 30).

Average visibility in December
Silex, MO

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

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

Silex, Missouri, USA

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