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
As December commences, the average high-temperature shows a reduction, transitioning from a cool 52.3°F (11.3°C) in November to an icy 40.8°F (4.9°C). Armstrong usually reports an average low-temperature of 27.7°F (-2.4°C) during the month of December.Humidity
In December, the average relative humidity is 76%.Rainfall
In December, in Armstrong, the rain falls for 4.3 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. In Armstrong, during the entire year, the rain falls for 102.5 days and collects up to 10.91" (277mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Armstrong, during December, snow falls for 3.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Armstrong, during the entire year, snow falls for 17.3 days and aggregates up to 2.99" (76mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Armstrong, sunrise is at 7:12 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:57 pm CST.
Sunshine
The average sunshine in December in Armstrong is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is December in Armstrong?
What is the average humidity in December in Armstrong?
How many days does it rain in December in Armstrong?
How many days does it snow in December in Armstrong?
What is the month with the shortest days in Armstrong?
What is the average length of the day in December in Armstrong?
What time are sunrise and sunset in December in Armstrong?
How long on average sun shines in December in Armstrong?
What is the month with the lowest UV index in Armstrong?
What is the UV index reading in December in Armstrong?
Average temperature in December
Armstrong, MO
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Armstrong, 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 (29.91"Hg).
Average wind speed in December
Armstrong, MO
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Armstrong, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Armstrong, MO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Armstrong, MO
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (13.2 days).
The months with the least rainy days are February and December (4.3 days).
Average snowfall in December
Armstrong, MO
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Armstrong, MO
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Armstrong, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Armstrong, MO
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in December
Armstrong, 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).
Average cloud cover in December
Armstrong, MO
- Average cloud cover in December: 45
The months with the most cloud cover are January and February (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in December
Armstrong, 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).
Armstrong, Missouri, USA
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