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 transition into December involves a decrease in the average high-temperature, falling from a chilly 49.1°F (9.5°C) in November to a wintry 38.3°F (3.5°C). Wynnedale records a steady low-temperature average of 27.7°F (-2.4°C) during December.Humidity
December is the most humid month, with an average relative humidity of 83%.Rainfall
In December, in Wynnedale, the rain falls for 9.7 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Wynnedale, there are 158.4 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Wynnedale. In Wynnedale, in December, during 8.4 snowfall days, 2.6" (66mm) of snow is typically accumulated. In Wynnedale, during the entire year, snow falls for 36.1 days and aggregates up to 10.98" (279mm) of snow.Daylight
December has the shortest days of the year in Wynnedale, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 5:20 pm. On the last day of December, in Wynnedale, sunrise is at 8:05 am and sunset at 5:30 pm EST.
Sunshine
In Wynnedale, the average sunshine in December is 4.1h.UV index
The month with the lowest UV index in Wynnedale is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
Is December cold in Wynnedale?
What is the most humid month in Wynnedale?
What is the average humidity in December in Wynnedale?
How many days does it rain in December in Wynnedale?
How much does it snow in Wynnedale in December?
What is the month with the shortest days in Wynnedale?
What is the average length of the day in December in Wynnedale?
What time are sunrise and sunset in December in Wynnedale?
How many hours of sunshine does Wynnedale have in December?
What is the month with the lowest UV index in Wynnedale?
What is the UV index reading in December in Wynnedale?
Average temperature in December
Wynnedale, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Wynnedale, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Wynnedale, IN
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Wynnedale, IN
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Wynnedale, IN
- Average rainfall in December: 1.97"
The wettest months (with the highest rainfall) are April and May (3.43").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in December
Wynnedale, IN
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Wynnedale, IN
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wynnedale, IN
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wynnedale, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Wynnedale, IN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Wynnedale, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wynnedale, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Wynnedale, IN
- 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).
Wynnedale, Indiana, USA
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