December weather forecast
Saint Paul, MO

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Weather in December

The first month of the winter, December, is also an icy month in Saint Paul, Missouri, with temperature in the range of an average high of 41.7°F (5.4°C) and an average low of 29.8°F (-1.2°C).

Temperature

With December's arrival, Saint Paul's weather changes as the average high-temperature falls from a cool 53.1°F (11.7°C) in November to a wintry 41.7°F (5.4°C). The low-temperature average for Saint Paul during December stands at a subzero cold 29.8°F (-1.2°C).

Humidity

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

Rainfall

In December, in Saint Paul, the rain falls for 8.5 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Saint Paul, there are 152.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 4 days. Throughout December, 1.34" (34mm) of snow is accumulated. In Saint Paul, Missouri, during the entire year, snow falls for 21.4 days and aggregates up to 8.62" (219mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Saint Paul, Missouri.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:41 pm. On the last day of December, in Saint Paul, sunrise is at 7:21 am and sunset at 4:51 pm CST.

Sunshine

The average sunshine in December in Saint Paul 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: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Saint Paul?

During December, Saint Paul experiences an average high-temperature of 41.7°F (5.4°C) and a low-temperature of 29.8°F (-1.2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 96.8°F (36°C).

What is the average humidity in December in Saint Paul?

In December, the average relative humidity is 76%.

How many days does it rain in December in Saint Paul?

In December, in Saint Paul, the rain falls for 8.5 days. Throughout December, 1.93" (49mm) of precipitation is accumulated.

How many days does it snow in December in Saint Paul?

In Saint Paul, in December, during 4 snowfall days, 1.34" (34mm) of snow is typically accumulated.

What is the month with the shortest days in Saint Paul?

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

What is the average length of the day in December in Saint Paul?

In December, the average day length is 9h and 30min.

When are sunrise and sunset in December in Saint Paul?

On the first day of December in Saint Paul, sunrise is at 7:03 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Saint Paul?

In December, the average sunshine duration is 5h.

When is the lowest UV index in Saint Paul?

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

What is the UV index intensity in December in Saint Paul?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Saint Paul, MO

Average temperature in December - Saint Paul, 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
Saint Paul, MO

Average pressure in December - Saint Paul, 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
Saint Paul, MO

Average wind speed in December - Saint Paul, 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
Saint Paul, MO

Average humidity in December - Saint Paul, 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
Saint Paul, MO

Average rainfall in December - Saint Paul, 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
Saint Paul, MO

Average rainfall days in December - Saint Paul, 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
Saint Paul, MO

Average snowfall in December - Saint Paul, 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
Saint Paul, MO

Average snowfall days in December - Saint Paul, 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
Saint Paul, MO

Average daylight in December / Average sunshine in December - Saint Paul, 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
Saint Paul, MO

Average sunshine days in December - Saint Paul, 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
Saint Paul, MO

Average UV index in December - Saint Paul, 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
Saint Paul, MO

Average cloud cover in December - Saint Paul, 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
Saint Paul, MO

Average visibility in December - Saint Paul, 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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Saint Paul, Missouri, USA

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