December weather forecast
Joplin, MO

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

Weather in December

December witnesses the full-fledged arrival of winter with the lowest average temperature of the year sliding to 45.9°F (7.7°C). The daylight hours reach a low, contributing to the characteristic chill of the winter. With a marked fall in UV Index to 2, the complements cooler conditions due to reduced solar intensity. The occurrence of snowfall increases to 0.67" (17mm) making a captivating end to the year. Despite lower temperatures and shorter days, the remarkable transformation that Joplin undergoes lends December its very own charm.

Temperature

As December commences, the average high-temperature shows a reduction, transitioning from a moderate 56.1°F (13.4°C) in November to a chilly 45.9°F (7.7°C). Joplin cools down to an average low-temperature of 31.3°F (-0.4°C) throughout the month of December.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Joplin, in December, it is raining for 6.8 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Joplin, there are 143.4 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

January through March, May, November and December are months with snowfall in Joplin. In December, it is snowing for 2.1 days. Throughout December, 0.67" (17mm) of snow is accumulated. Throughout the year, in Joplin, there are 11.8 snowfall days, and 5.63" (143mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:01 pm. On the last day of December, in Joplin, sunrise is at 7:31 am and sunset at 5:11 pm CST.

Sunshine

The average sunshine in December is 5.6h.

UV index

The months with the lowest UV index in Joplin are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What are December temperatures in Joplin?

The average high-temperature and low-temperature in Joplin, Missouri, during December are 45.9°F (7.7°C) and 31.3°F (-0.4°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 98.6°F (37°C).

What is the average humidity in December in Joplin?

The average relative humidity in December in Joplin, Missouri, is 73%.

How much does it rain in Joplin in December?

In Joplin, during December, the rain falls for 6.8 days and regularly aggregates up to 1.65" (42mm) of precipitation.

How much does it snow in Joplin in December?

In Joplin, Missouri, in December, during 2.1 snowfall days, 0.67" (17mm) of snow is typically accumulated.

What is the month with the shortest days in Joplin?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Joplin, Missouri.

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

In December, the average day length in Joplin is 9h and 40min.

What time are sunrise and sunset in December in Joplin?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 5:01 pm. On the last day of the month, in Joplin, Missouri, sunrise is at 7:31 am and sunset at 5:11 pm CST.

How many hours of sunshine does Joplin have in December?

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

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

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

What is the UV index intensity in December in Joplin?

The average daily maximum UV index in December in Joplin is 2. A UV Index of 2, and less, symbolizes 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
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"Hg

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

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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).
The 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").
The 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).
The 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: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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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

The months with the highest UV index are June and July (UV index 7).
The 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

The months with the most cloud cover are February and March (Cloud cover 45).
The 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

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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Joplin, Missouri, USA

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