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
Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 47.5°F (8.6°C) in November to a cold 36.5°F (2.5°C). Nighttime temperatures in December average to a subzero cold 26.6°F (-3°C) in Roann.Humidity
The months with the highest humidity in Roann are January, February, July, August and December, with an average relative humidity of 83%.Rainfall
In Roann, in December, during 9.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Roann, during the entire year, the rain falls for 157.1 days and collects up to 23.27" (591mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Roann, in December, snow falls for 10.1 days, with typically accumulated 1.77" (45mm) of snow. In Roann, during the entire year, snow falls for 47.4 days and aggregates up to 10.39" (264mm) of snow.Daylight
The month with the shortest days in Roann is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:25 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
December is the month with the lowest UV index in Roann, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Roann in December?
What is the most humid month in Roann?
What is the average humidity in December in Roann?
How much does it rain in Roann in December?
How much does it snow in Roann in December?
What is the month with the shortest days in Roann?
What is the average length of the day in December in Roann?
What time are sunrise and sunset in December in Roann?
How many hours of sunshine does Roann have in December?
What is the month with the lowest UV index in Roann?
What is the UV index intensity in December in Roann?
Average temperature in December
Roann, IN
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Roann, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Roann, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Roann, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February, July, August and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Roann, IN
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Roann, IN
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Roann, IN
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Roann, IN
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roann, 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 month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Roann, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Roann, 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
Roann, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Roann, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Roann, Indiana, USA
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