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 transition into December involves a small decrease in the average high-temperature, dipping slightly from a moderate 57.2°F (14°C) in November to a frosty 49.5°F (9.7°C). Nighttime temperatures in Blockhouse consistently average a cold 35.2°F (1.8°C) during December.Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In December, in Blockhouse, the rain falls for 11.1 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 149 rainfall days, and 18.74" (476mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blockhouse are January through March, October through December. In Blockhouse, in December, during 3.6 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Blockhouse, Tennessee, during the entire year, snow falls for 18.9 days and aggregates up to 3.58" (91mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December in Blockhouse, sunrise is at 7:27 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:32 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Blockhouse. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are December temperatures in Blockhouse?
What is the most humid month in Blockhouse?
What is the average humidity in December in Blockhouse?
How many days does it rain in December in Blockhouse?
How much does it snow in Blockhouse in December?
What is the month with the shortest days in Blockhouse?
How many hours of daylight does Blockhouse have in December?
When are sunrise and sunset in December in Blockhouse?
How many hours of sunshine does Blockhouse have in December?
What are the months with the lowest UV index in Blockhouse?
How high is the UV index in December in Blockhouse?
Average temperature in December
Blockhouse, TN
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Blockhouse, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Blockhouse, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Blockhouse, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Blockhouse, TN
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is October (1.18").
Average rainfall days in December
Blockhouse, TN
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Blockhouse, TN
- Average snowfall in December: 0.63"
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
Blockhouse, TN
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.4 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
Blockhouse, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Blockhouse, TN
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in December
Blockhouse, TN
- 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
Blockhouse, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Blockhouse, TN
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Blockhouse, Tennessee, USA
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