December weather forecastJoplin, MO
December
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
A shift in Joplin's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 56.1°F (13.4°C) to a chilly 45.9°F (7.7°C). Joplin's temperature lowers to a mean of 31.3°F (-0.4°C) during the nights in December.Humidity
The average relative humidity in December 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, 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, snow falls for 2.1 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, there are 11.8 snowfall days, and 5.63" (143mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.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, sunrise is at 7:31 am and sunset at 5:11 pm CST.
Sunshine
In December, the average sunshine is 5.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Joplin, Missouri. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Joplin, MO
- Average daylight in December: 9h and 42min
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 36min
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).
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).
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).
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).
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).
