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
Blackwell's December weather comes with a decrease in average high-temperatures, moving from a fresh 53.4°F (11.9°C) in November to a frosty 43.3°F (6.3°C). In December, the temperature in Blackwell, Missouri, drops to an average of 30.2°F (-1°C) at night.Humidity
In Blackwell, the average relative humidity in December is 77%.Rainfall
In Blackwell, in December, during 7.4 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 142.5 rainfall days, and 28.58" (726mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blackwell are January through March, November and December. In Blackwell, Missouri, in December, snow falls for 3.6 days, with typically accumulated 1.85" (47mm) of snow. Throughout the year, there are 17.5 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:53 pm CST.
Sunshine
The average sunshine in December in Blackwell, Missouri, is 4.9h.UV index
The months with the lowest UV index in Blackwell are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
Is December cold in Blackwell?
What is the average humidity in December in Blackwell?
How much does it rain in Blackwell in December?
How many days does it snow in December in Blackwell?
What is the month with the shortest days in Blackwell?
What is the average length of the day in December in Blackwell?
When is the sunrise / sunset in December in Blackwell?
How many hours of sunshine does Blackwell have in December?
When is the lowest UV index in Blackwell?
How high is the UV index in December in Blackwell?
Average temperature in December
Blackwell, MO
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Blackwell, 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 (29.92"Hg).
Average wind speed in December
Blackwell, MO
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Blackwell, MO
- Average humidity in December: 77%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Blackwell, MO
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are February, September and November (1.73").
Average rainfall days in December
Blackwell, MO
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in December
Blackwell, MO
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Blackwell, MO
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blackwell, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Blackwell, MO
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Blackwell, 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, November and December (UV index 2).
Average cloud cover in December
Blackwell, MO
- Average cloud cover in December: 48
The months with the most cloud cover are January, February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Blackwell, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Blackwell, Missouri, USA
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