December weather forecast
Oswald, MO

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Weather in December

The first month of the winter, December, is also an icy month in Oswald, Missouri, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 36.5°F (2.5°C).

Temperature

December's onset brings a slight change in high-temperatures, falling from a cool 50.2°F (10.1°C) in November to a wintry 36.5°F (2.5°C). During the month of December, the temperature in Oswald, Missouri, falls to an average of 23.9°F (-4.5°C).

Humidity

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

Rainfall

In Oswald, in December, it is raining for 4 days, with typically 0.94" (24mm) of accumulated precipitation. In Oswald, Missouri, during the entire year, the rain falls for 120.8 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, in Oswald, it is snowing for 4.5 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, in Oswald, there are 23.5 snowfall days, and 10.51" (267mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Oswald.
On the first day of December, sunrise is at 7:25 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:05 pm CST.

Sunshine

In December, the average sunshine in Oswald, Missouri, is 5.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Oswald. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

How cold is it in Oswald in December?

In Oswald, in December, the average high-temperature is 36.5°F (2.5°C), and the average low-temperature is 23.9°F (-4.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the average humidity in December in Oswald?

In December, the average relative humidity is 76%.

How much does it rain in Oswald in December?

In December, in Oswald, Missouri, the rain falls for 4 days. Throughout December, 0.94" (24mm) of precipitation is accumulated.

How many days does it snow in December in Oswald?

In December, it is snowing for 4.5 days. Throughout December, 1.46" (37mm) of snow is accumulated.

What is the month with the shortest days in Oswald?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Oswald have in December?

In December, the average day length in Oswald is 9h and 22min.

When is the sunrise / sunset in December in Oswald?

On the first day of December in Oswald, Missouri, sunrise is at 7:25 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:05 pm CST.

How long on average sun shines in December in Oswald?

The average sunshine duration in December is 5.2h.

When is the lowest UV index in Oswald?

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

How high is the UV index in December in Oswald?

The average daily maximum UV index in December in Oswald, Missouri, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Oswald, MO

Average temperature in December - Oswald, MO
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in December
Oswald, MO

Average pressure in December - Oswald, 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).

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Average wind speed in December
Oswald, MO

Average wind speed in December - Oswald, MO
  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
Oswald, MO

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

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in December
Oswald, MO

Average rainfall in December - Oswald, MO
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in December
Oswald, MO

Average rainfall days in December - Oswald, MO
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in December
Oswald, MO

Average snowfall in December - Oswald, MO
  • Average snowfall in December: 1.46"

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Oswald, MO

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

The months with the highest number of snowfall days are January and February (6.7 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
Oswald, MO

Average daylight in December / Average sunshine in December - Oswald, 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 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in December
Oswald, MO

Average sunshine days in December - Oswald, MO
  • Average sunshine days in December: 21.5 days

The months with the most sunshine days are November and December (21.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in December
Oswald, MO

Average UV index in December - Oswald, 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).

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Average cloud cover in December
Oswald, MO

Average cloud cover in December - Oswald, MO
  • Average cloud cover in December: 43

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in December
Oswald, MO

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

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