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
December
Weather in December
Temperature
December brings a decrease in the average high-temperature, shifting from a cool 54°F (12.2°C) in November to a frosty 44.6°F (7°C). Nighttime temperature experiences an average drop to a cold 32.4°F (0.2°C) in December.Humidity
In December, the average relative humidity is 79%.Rainfall
In Mount Washington, during December, the rain falls for 10.9 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Mount Washington, Kentucky, during the entire year, the rain falls for 142.8 days and collects up to 23.35" (593mm) of precipitation.Snowfall
Months with snowfall in Mount Washington are January through April, November and December. In December, it is snowing for 5.5 days. Throughout December, 0.79" (20mm) of snow is accumulated. In Mount Washington, during the entire year, snow falls for 26.5 days and aggregates up to 5.31" (135mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:40 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:32 pm EST.
Sunshine
January and December, with an average of 4.3h of sunshine, are months with the least sunshine in Mount Washington.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Washington. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Mount Washington during December?
What is the average humidity in December in Mount Washington?
How much does it rain in Mount Washington in December?
How much does it snow in Mount Washington in December?
What is the month with the shortest days in Mount Washington?
What is the average length of the day in December in Mount Washington?
When are sunrise and sunset in December in Mount Washington?
What are the months with the least sunshine in Mount Washington?
How many hours of sunshine does Mount Washington have in December?
When is the lowest UV index in Mount Washington?
What is the UV index reading in December in Mount Washington?
Average temperature in December
Mount Washington, KY
- Average high temperature in December: 44.6°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 (39.6°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Mount Washington, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mount Washington, KY
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Mount Washington, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Mount Washington, KY
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Mount Washington, KY
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Mount Washington, KY
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mount Washington, KY
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (7.3 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
Mount Washington, KY
- 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Mount Washington, KY
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in December
Mount Washington, KY
- 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
Mount Washington, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Mount Washington, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
