December weather forecast
Elmo, MO

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Weather in December

The first month of the winter, December, is still a cold month in Elmo, Missouri, with an average temperature fluctuating between 22.8°F (-5.1°C) and 35.2°F (1.8°C).

Temperature

The start of December signals a decrease in the average high-temperature, transitioning from a frosty 49.1°F (9.5°C) in November to a cold 35.2°F (1.8°C). In Elmo, the average nighttime temperature during December is a subzero cold 22.8°F (-5.1°C).

Humidity

In Elmo, Missouri, the average relative humidity in December is 78%.

Rainfall

In Elmo, in December, during 4.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Elmo, during the entire year, the rain falls for 114.9 days and collects up to 18.39" (467mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Elmo, in December, snow falls for 4.5 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, there are 25.2 snowfall days, and 7.4" (188mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Elmo, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:03 pm CST.

Sunshine

The average sunshine in December in Elmo is 5h.

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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 35.2°F (1.8°C) and 22.8°F (-5.1°C) respectively. 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 appraised at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Elmo, in December, it is raining for 4.3 days, with typically 0.59" (15mm) of accumulated precipitation.

How much does it snow in December?

In Elmo, in December, snow falls for 4.5 days, with typically accumulated 0.91" (23mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 20min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:25 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:03 pm CST.

How long on average sun shines in December?

In Elmo, the average sunshine duration in December is 5h.

When is 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 Elmo, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Elmo, MO

Average temperature in December - Elmo, MO
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in December
Elmo, MO

Average pressure in December - Elmo, 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 (29.87"Hg).

Average wind speed in December
Elmo, MO

Average wind speed in December - Elmo, MO
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in December
Elmo, MO

Average humidity in December - Elmo, MO
  • Average humidity in December: 78%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Elmo, MO

Average rainfall in December - Elmo, MO
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in December
Elmo, MO

Average rainfall days in December - Elmo, MO
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in December
Elmo, MO

Average snowfall in December - Elmo, MO
  • Average snowfall in December: 0.91"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Elmo, MO

Average snowfall days in December - Elmo, MO
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Elmo, MO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Elmo, MO

Average sunshine days in December - Elmo, MO
  • Average sunshine days in December: 22 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
Elmo, MO

Average UV index in December - Elmo, 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
Elmo, MO

Average cloud cover in December - Elmo, MO
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Elmo, MO

Average visibility in December - Elmo, 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).

Elmo, Missouri, USA

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