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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 53.2°F (11.8°C) in November to a frosty 44.8°F (7.1°C). Throughout the month of December, Palermo observes an average nighttime temperature of 32.7°F (0.4°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Palermo, in December, during 12.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Palermo, during the entire year, the rain falls for 166.7 days and collects up to 26.57" (675mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Palermo, in December, during 7.6 snowfall days, 3.23" (82mm) of snow is typically accumulated. Throughout the year, there are 38.3 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Palermo.On the first day of December, sunrise is at 7:26 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:18 pm EST.
Sunshine
In December, the average sunshine in Palermo is 4.1h.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 low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the temperature in December in Palermo?
What is the average humidity in December in Palermo?
How many days does it rain in December in Palermo?
How many days does it snow in December in Palermo?
What is the month with the shortest days in Palermo?
What is the average length of the day in December in Palermo?
When are sunrise and sunset in December in Palermo?
How long on average sun shines in December in Palermo?
When is the lowest UV index in Palermo?
What is the UV index intensity in December in Palermo?
Average temperature in December
Palermo, WV
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Palermo, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Palermo, WV
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are January, February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Palermo, WV
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (75%).
Average rainfall in December
Palermo, WV
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Palermo, WV
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Palermo, WV
- Average snowfall in December: 3.23"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Palermo, WV
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Palermo, 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: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Palermo, WV
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Palermo, WV
- 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
Palermo, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Palermo, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Palermo, West Virginia, USA
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