December weather forecast
Maplewood, MO

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Weather in December

December, the first month of the winter in Maplewood, is still a cold month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 42.6°F (5.9°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, from a fresh 53.4°F (11.9°C) to a wintry 42.6°F (5.9°C). Maplewood experiences an average temperature drop to a freezing cold 30.6°F (-0.8°C) during December nights.

Humidity

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

Rainfall

In Maplewood, in December, it is raining for 7.5 days, with typically 2.05" (52mm) of accumulated precipitation. In Maplewood, Missouri, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Maplewood. In Maplewood, in December, during 3.1 snowfall days, 1.85" (47mm) of snow is typically accumulated. Throughout the year, in Maplewood, there are 16.2 snowfall days, and 8.19" (208mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:50 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

How cold is December in Maplewood?

During December, Maplewood experiences an average high-temperature of 42.6°F (5.9°C) and a low-temperature of 30.6°F (-0.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 95°F (35°C).

What is the average humidity in December in Maplewood?

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

How many days does it rain in December in Maplewood?

In Maplewood, Missouri, in December, it is raining for 7.5 days, with typically 2.05" (52mm) of accumulated precipitation.

How many days does it snow in December in Maplewood?

In Maplewood, Missouri, during December, snow falls for 3.1 days and regularly aggregates up to 1.85" (47mm) of snow.

What is the month with the shortest days in Maplewood?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Maplewood, Missouri.

How many hours of daylight does Maplewood have in December?

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

When are sunrise and sunset in December in Maplewood?

On the first day of December, sunrise is at 7:00 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:50 pm CST.

How many hours of sunshine does Maplewood have in December?

In December, the average sunshine duration is 4.9h.

What are the months with the lowest UV index in Maplewood?

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

How high is the UV index in December in Maplewood?

In December, the average daily maximum UV index in Maplewood is 2. A UV Index estimate of 2, and below, represents 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
Maplewood, MO

Average temperature in December - Maplewood, MO
  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Maplewood, MO

Average pressure in December - Maplewood, 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
Maplewood, MO

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

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
Maplewood, MO

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Maplewood, MO

Average rainfall in December - Maplewood, MO
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in December
Maplewood, MO

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

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in December
Maplewood, MO

Average snowfall in December - Maplewood, MO
  • Average snowfall in December: 1.85"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Maplewood, MO

Average snowfall days in December - Maplewood, MO
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

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

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 36min).

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Average sunshine days in December
Maplewood, MO

Average sunshine days in December - Maplewood, MO
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in December
Maplewood, MO

Average UV index in December - Maplewood, 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).

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Average cloud cover in December
Maplewood, MO

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

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
Maplewood, MO

Average visibility in December - Maplewood, 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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Maplewood, Missouri, USA

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