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 decrease of average high-temperatures is mild in December, with a decline from a fresh 55°F (12.8°C) in November to a frosty 45.7°F (7.6°C). McHenry experiences an average temperature drop to an icy 33.8°F (1°C) during December nights.Humidity
In McHenry, the average relative humidity in December is 79%.Rainfall
In December, in McHenry, Kentucky, the rain falls for 12.1 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In McHenry, during the entire year, the rain falls for 151.8 days and collects up to 25.12" (638mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In McHenry, in December, during 3.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. In McHenry, during the entire year, snow falls for 18.9 days and aggregates up to 5.08" (129mm) of snow.Daylight
The month with the shortest days in McHenry is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 4:30 pm. On the last day of December, in McHenry, Kentucky, sunrise is at 7:01 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine in McHenry, Kentucky, is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the temperatures in McHenry in December?
What is the average humidity in December in McHenry?
How much does it rain in McHenry in December?
How many days does it snow in December in McHenry?
What is the month with the shortest days in McHenry?
What is the average length of the day in December in McHenry?
When is the sunrise / sunset in December in McHenry?
How many hours of sunshine does McHenry have in December?
When is the lowest UV index in McHenry?
What is the UV index reading in December in McHenry?
Average temperature in December
McHenry, KY
- Average high temperature in December: 45.7°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 (40.6°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
McHenry, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
McHenry, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
McHenry, KY
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
McHenry, KY
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are February and April (2.68").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
McHenry, KY
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
McHenry, KY
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
McHenry, KY
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.5 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
McHenry, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
McHenry, KY
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
McHenry, 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 and December (UV index 2).
Average cloud cover in December
McHenry, KY
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
McHenry, KY
- 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).
McHenry, Kentucky, USA
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