December weather forecast
Joplin, MO

Amazing Grand Falls in Joplin, Missouri
Amazing Grand Falls in Joplin, Missouri

Weather in December

The first month of the winter, December, is also a frosty month in Joplin, Missouri, with average temperature fluctuating between 31.3°F (-0.4°C) and 45.9°F (7.7°C).

Temperature

In December, the average high-temperature drops, from a mild 56.1°F (13.4°C) in November, to a frosty 45.9°F (7.7°C). In Joplin, in December, the average low-temperature is 31.3°F (-0.4°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Joplin, during December, the rain falls for 6.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 143.4 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, November and December. In Joplin, during December, snow falls for 2.1 days and regularly aggregates up to 0.67" (17mm) of snow. In Joplin, during the entire year, snow falls for 11.8 days, and aggregates up to 5.63" (143mm) of snow.

Daylight

December has the shortest days of the year in Joplin, with an average of 9.7h of daylight.

Sunshine

In Joplin, Missouri, the average sunshine in December is 5.6h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Joplin?

In Joplin, the average relative humidity in December is 73%.

How many days does it rain in December in Joplin?

In Joplin, Missouri, in December, it is raining for 6.8 days, with typically 1.65" (42mm) of accumulated precipitation.

How much does it snow in Joplin in December?

In Joplin, Missouri, in December, snow falls for 2.1 days, with typically accumulated 0.67" (17mm) of snow.

What is the month with the shortest days in Joplin?

December has the shortest days of the year in Joplin, with an average of 9.7h of daylight.

What is the average length of the day in December in Joplin?

The average length of the day in December in Joplin, Missouri, is 9.7h.

How long on average sun shines in December in Joplin?

In Joplin, the average sunshine in December is 5.6h.

When is the lowest UV index in Joplin?

Months with the lowest UV index in Joplin, Missouri, are January, February and December, with an average maximum UV index of 2.

What is the UV index reading in December in Joplin?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Joplin, MO

Average temperature in December - Joplin, MO
  • Average high temperature in December: 45.9°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in December
Joplin, MO

Average pressure in December - Joplin, MO
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in December
Joplin, MO

Average wind speed in December - Joplin, MO
  • Average wind speed in December: 9.7mph

The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in December
Joplin, MO

Average humidity in December - Joplin, MO
  • Average humidity in December: 73%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Joplin, MO

Average rainfall in December - Joplin, MO
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is February (1.54").

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Average rainfall days in December
Joplin, MO

Average rainfall days in December - Joplin, MO
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is May (16.8 days).
Months with the least rainy days are January and December (6.8 days).

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Average snowfall in December
Joplin, MO

Average snowfall in December - Joplin, MO
  • Average snowfall in December: 0.67"

The month with the highest snowfall is February (2.44").
Months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in December
Joplin, MO

Average snowfall days in December - Joplin, MO
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is February (4 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Joplin, MO
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 5.6h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in December
Joplin, MO

Average sunshine days in December - Joplin, MO
  • Average sunshine days in December: 21.1 days

The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in December
Joplin, MO

Average UV index in December - Joplin, MO
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in December
Joplin, MO

Average cloud cover in December - Joplin, MO
  • Average cloud cover in December: 40

Months with the most cloud cover are February and March (Cloud cover 45).
Months with the least cloud cover are June, July and August (Cloud cover 25).

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Average visibility in December
Joplin, MO

Average visibility in December - Joplin, MO
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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