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
Winchester observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 48.4°F (9.1°C) to a cold 37.4°F (3°C). Winchester records an average nighttime low-temperature of 27.5°F (-2.5°C) throughout December.Humidity
In Winchester, the average relative humidity in December is 83%.Rainfall
In Winchester, during December, the rain falls for 9.9 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Winchester, during the entire year, the rain falls for 169.7 days and collects up to 31.65" (804mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. December is the month with the most snowfall in Winchester, Indiana. Snow falls for 10.2 days and accumulates 3.78" (96mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:14 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:24 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
The month with the lowest UV index in Winchester is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 1 in December transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Winchester in December?
What is the average humidity in December in Winchester?
How much does it rain in Winchester in December?
When does it snow the most in Winchester?
How much does it snow in Winchester in December?
What is the month with the shortest days in Winchester?
How many hours of daylight does Winchester have in December?
When is the sunrise / sunset in December in Winchester?
How long on average sun shines in December in Winchester?
What is the month with the lowest UV index in Winchester?
What is the UV index intensity in December in Winchester?
Average temperature in December
Winchester, IN
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Winchester, IN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Winchester, IN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Winchester, IN
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Winchester, IN
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in December
Winchester, IN
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (19.9 days).
The months with the least rainy days are January and February (9 days).
Average snowfall in December
Winchester, IN
- Average snowfall in December: 3.78"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Winchester, IN
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (13 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
Winchester, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Winchester, IN
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is May (8.7 days).
Average UV index in December
Winchester, IN
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Winchester, IN
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Winchester, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Winchester, Indiana, USA
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