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 average high-temperature drops in December, from November's fresh 52.7°F (11.5°C) to an icy 41.5°F (5.3°C). Blackwater's December nights cool down to an average low-temperature of 27.7°F (-2.4°C).Humidity
In Blackwater, the average relative humidity in December is 76%.Rainfall
In Blackwater, Missouri, in December, during 6.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Blackwater, there are 135.7 rainfall days, and 28.11" (714mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blackwater are January through March, May, October through December. In December, it is snowing for 3.5 days. Throughout December, 1.54" (39mm) of snow is accumulated. Throughout the year, in Blackwater, there are 17.6 snowfall days, and 9.06" (230mm) of snow is accumulated.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 Blackwater, Missouri, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:59 pm CST.
Sunshine
In Blackwater, the average sunshine in December 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 exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Blackwater in December?
What is the average humidity in December in Blackwater?
How many days does it rain in December in Blackwater?
How many days does it snow in December in Blackwater?
What is the month with the shortest days in Blackwater?
How many hours of daylight does Blackwater have in December?
When is the sunrise / sunset in December in Blackwater?
How long on average sun shines in December in Blackwater?
What is the month with the lowest UV index in Blackwater?
How high is the UV index in December in Blackwater?
Average temperature in December
Blackwater, MO
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Blackwater, 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
Blackwater, MO
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Blackwater, MO
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Blackwater, MO
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Blackwater, MO
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Blackwater, MO
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Blackwater, MO
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blackwater, 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 months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Blackwater, MO
- Average sunshine days in December: 20 days
The months with the most sunshine days are January and December (20 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Blackwater, 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
Blackwater, MO
- Average cloud cover in December: 45
The months with the most cloud cover are January, February and March (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Blackwater, 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).
Blackwater, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location