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 signifies a gentle decline in Knapp's average high-temperature, easing from a chilly 45.7°F (7.6°C) in November to a wintry 37.6°F (3.1°C). Throughout the nights in December, Knapp experiences an average low-temperature of 25.7°F (-3.5°C).Humidity
In Knapp, the average relative humidity in December is 85%.Rainfall
In Knapp, in December, it is raining for 8.5 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Knapp, West Virginia, there are 153.4 rainfall days, and 23.23" (590mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Knapp. In December, in Knapp, it is snowing for 14.8 days. Throughout December, 5.63" (143mm) of snow is accumulated. In Knapp, during the entire year, snow falls for 80.8 days and aggregates up to 36.5" (927mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:10 pm EST.
Sunshine
In December, the average sunshine in Knapp is 3.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in Knapp in December?
What is the average humidity in December in Knapp?
How much does it rain in Knapp in December?
How many days does it snow in December in Knapp?
What is the month with the shortest days in Knapp?
How many hours of daylight does Knapp have in December?
When are sunrise and sunset in December in Knapp?
How long on average sun shines in December in Knapp?
What is the month with the lowest UV index in Knapp?
What is the UV index intensity in December in Knapp?
Average temperature in December
Knapp, WV
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Knapp, WV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Knapp, WV
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Knapp, WV
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in December
Knapp, WV
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in December
Knapp, WV
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Knapp, WV
- Average snowfall in December: 5.63"
The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Knapp, WV
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Knapp, WV
- 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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Knapp, WV
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in December
Knapp, WV
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Knapp, WV
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).
Average visibility in December
Knapp, WV
- Average visibility in December: 4mi
The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).
Knapp, West Virginia, USA
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