December weather forecast
New Melle, MO

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Weather in December

The first month of the winter, December, is still a cold month in New Melle, Missouri, with an average temperature fluctuating between 29.8°F (-1.2°C) and 41.7°F (5.4°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a cool 53.1°F (11.7°C) to an icy 41.7°F (5.4°C). During December, New Melle sees a mean low-temperature of 29.8°F (-1.2°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In New Melle, during December, the rain falls for 8.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in New Melle, Missouri, there are 152.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in New Melle. In December, in New Melle, it is snowing for 4 days. Throughout December, 1.34" (34mm) of snow is accumulated. Throughout the year, in New Melle, there are 21.4 snowfall days, and 8.62" (219mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:03 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:52 pm CST.

Sunshine

The average sunshine in December in New Melle 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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

How cold does it get in New Melle in December?

The high-temperature, in December, in New Melle, records 41.7°F (5.4°C), while the low-temperature is 29.8°F (-1.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 96.8°F (36°C).

What is the average humidity in December in New Melle?

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

How many days does it rain in December in New Melle?

In New Melle, Missouri, during December, the rain falls for 8.5 days and regularly aggregates up to 1.93" (49mm) of precipitation.

How many days does it snow in December in New Melle?

In New Melle, Missouri, in December, snow falls for 4 days, with typically accumulated 1.34" (34mm) of snow.

What is the month with the shortest days in New Melle?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December in New Melle?

In December, the average day length in New Melle is 9h and 31min.

When is the sunrise / sunset in December in New Melle?

On the first day of December in New Melle, sunrise is at 7:03 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:52 pm CST.

How long on average sun shines in December in New Melle?

In December, the average sunshine duration is 5h.

When is the lowest UV index in New Melle?

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

How high is the UV index in December in New Melle?

In New Melle, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
New Melle, MO

Average temperature in December - New Melle, MO
  • Average high temperature in December: 41.7°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 29.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in December
New Melle, MO

Average pressure in December - New Melle, 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 (29.92"Hg).

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Average wind speed in December
New Melle, MO

Average wind speed in December - New Melle, MO
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
New Melle, MO

Average humidity in December - New Melle, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
New Melle, MO

Average rainfall in December - New Melle, MO
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is February (1.77").

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Average rainfall days in December
New Melle, MO

Average rainfall days in December - New Melle, MO
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in December
New Melle, MO

Average snowfall in December - New Melle, MO
  • Average snowfall in December: 1.34"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
New Melle, MO

Average snowfall days in December - New Melle, MO
  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
New Melle, MO

Average daylight in December / Average sunshine in December - New Melle, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in December
New Melle, MO

Average sunshine days in December - New Melle, MO
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in December
New Melle, MO

Average UV index in December - New Melle, 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, November and December (UV index 2).

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Average cloud cover in December
New Melle, MO

Average cloud cover in December - New Melle, MO
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
New Melle, MO

Average visibility in December - New Melle, 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).

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New Melle, Missouri, USA

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