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
A shift in the average high-temperature occurs in December, reducing from a frosty 47.7°F (8.7°C) in November to a cold 36.7°F (2.6°C). Guernsey experiences a steady low-temperature of 26.4°F (-3.1°C) throughout December.Humidity
In Guernsey, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Guernsey, during the entire year, the rain falls for 157.1 days and collects up to 23.11" (587mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Guernsey, in December, snow falls for 8.8 days, with typically accumulated 1.85" (47mm) of snow. In Guernsey, during the entire year, snow falls for 42 days and aggregates up to 10.16" (258mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:52 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:11 am and sunset at 5:29 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Guernsey have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Guernsey, IN
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Guernsey, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Guernsey, IN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Guernsey, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Guernsey, IN
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Guernsey, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Guernsey, IN
- Average snowfall in December: 1.85"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Guernsey, IN
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Guernsey, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Guernsey, IN
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Guernsey, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Guernsey, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Guernsey, 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).
Guernsey, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location