Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's fresh 54°F (12.2°C) to a chilly 43.9°F (6.6°C). An average nighttime temperature of 31.3°F (-0.4°C) is noted in Longtown during the month of December.Humidity
In Longtown, the average relative humidity in December is 77%.Rainfall
In Longtown, in December, it is raining for 6.5 days, with typically 0.63" (16mm) of accumulated precipitation. In Longtown, during the entire year, the rain falls for 111.9 days and collects up to 10.43" (265mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Longtown. In Longtown, in December, snow falls for 1.8 days, with typically accumulated 0.2" (5mm) of snow. In Longtown, during the entire year, snow falls for 10.9 days and aggregates up to 1.42" (36mm) of snow.Daylight
The month with the shortest days in Longtown is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold does it get in Longtown in December?
What is the average humidity in December in Longtown?
How many days does it rain in December in Longtown?
How much does it snow in Longtown in December?
What is the month with the shortest days in Longtown?
How many hours of daylight does Longtown have in December?
When are sunrise and sunset in December in Longtown?
How long on average sun shines in December in Longtown?
When is the lowest UV index in Longtown?
How high is the UV index in December in Longtown?
Average temperature in December
Longtown, MO
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Longtown, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Longtown, MO
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Longtown, MO
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Longtown, MO
- Average rainfall in December: 0.63"
The wettest months (with the highest rainfall) are April and May (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Longtown, MO
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Longtown, MO
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Longtown, MO
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Longtown, 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 36min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in December
Longtown, MO
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Longtown, 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 and December (UV index 2).
Average cloud cover in December
Longtown, MO
- Average cloud cover in December: 47
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Longtown, 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).
Longtown, Missouri, USA
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