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
December indicates a shift in the average high-temperature, from November's cool 52.5°F (11.4°C) to a cold 41.2°F (5.1°C). In December, Blackburn experiences a temperature dip to an average of 27.9°F (-2.3°C) at night.Humidity
The average relative humidity in December is 76%.Rainfall
In Blackburn, in December, it is raining for 4.5 days, with typically 0.59" (15mm) of accumulated precipitation. In Blackburn, during the entire year, the rain falls for 108.2 days and collects up to 12.17" (309mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Blackburn. In Blackburn, in December, snow falls for 2.5 days, with typically accumulated 0.43" (11mm) of snow. In Blackburn, during the entire year, snow falls for 14.7 days and aggregates up to 3.15" (80mm) 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 the month, sunrise is at 7:14 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:01 pm CST.
Sunshine
In December, the average sunshine in Blackburn is 5.2h.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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
Is it cold in Blackburn during December?
What is the average humidity in December in Blackburn?
How much does it rain in Blackburn in December?
How much does it snow in Blackburn in December?
What is the month with the shortest days in Blackburn?
What is the average length of the day in December in Blackburn?
When are sunrise and sunset in December in Blackburn?
How long on average sun shines in December in Blackburn?
What are the months with the lowest UV index in Blackburn?
What is the UV index reading in December in Blackburn?
Average temperature in December
Blackburn, MO
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Blackburn, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Blackburn, MO
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Blackburn, 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 (70%).
Average rainfall in December
Blackburn, MO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Blackburn, MO
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Blackburn, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Blackburn, MO
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (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
Blackburn, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Blackburn, MO
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in December
Blackburn, 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
Blackburn, MO
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Blackburn, 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).
Blackburn, Missouri, USA
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