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
In Yorktown, the average high-temperature in December decreases from a frosty 48.4°F (9.1°C) in November to a cold 37.9°F (3.3°C). In the month of December, Yorktown's average low-temperature falls to a subzero cold 27.7°F (-2.4°C).Humidity
In December, the average relative humidity in Yorktown is 82%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Yorktown, there are 162 rainfall days, and 28.11" (714mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, in Yorktown, Indiana, it is snowing for 9.2 days. Throughout December, 2.76" (70mm) of snow is accumulated. Throughout the year, there are 42.8 snowfall days, and 12.64" (321mm) of snow is accumulated.Daylight
December has the shortest days of the year in Yorktown, Indiana, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:45 am and sunset at 5:16 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:26 pm EST.
Sunshine
In Yorktown, the average sunshine in December is 4h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Yorktown. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
Is December cold in Yorktown?
What is the average humidity in December in Yorktown?
How many days does it rain in December in Yorktown?
How much does it snow in Yorktown in December?
What is the month with the shortest days in Yorktown?
What is the average length of the day in December in Yorktown?
What time are sunrise and sunset in December in Yorktown?
How many hours of sunshine does Yorktown have in December?
What are the months with the lowest UV index in Yorktown?
How high is the UV index in December in Yorktown?
Average temperature in December
Yorktown, IN
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Yorktown, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Yorktown, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Yorktown, IN
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Yorktown, IN
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in December
Yorktown, IN
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Yorktown, IN
- Average snowfall in December: 2.76"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Yorktown, IN
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Yorktown, 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: 4h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Yorktown, IN
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in December
Yorktown, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Yorktown, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June, July and August (Cloud cover 33).
Average visibility in December
Yorktown, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Yorktown, Indiana, USA
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