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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a cool 51.4°F (10.8°C) to a cold 41.9°F (5.5°C). Seymour, in December, observes a steady average low-temperature of 30.4°F (-0.9°C).Humidity
With an average relative humidity of 81%, December is the most humid month in Seymour.Rainfall
In Seymour, Indiana, during December, the rain falls for 11.2 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 163.7 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Seymour, during December, snow falls for 7.2 days and regularly aggregates up to 1.81" (46mm) of snow. In Seymour, during the entire year, snow falls for 32.7 days and aggregates up to 9.69" (246mm) of snow.Daylight
The month with the shortest days in Seymour is December, with an average of 9h and 30min of daylight.On the first day of December in Seymour, Indiana, sunrise is at 7:43 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:31 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index in Seymour are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Seymour in December?
What is the most humid month in Seymour?
What is the average humidity in December in Seymour?
How much does it rain in Seymour in December?
How much does it snow in Seymour in December?
What is the month with the shortest days in Seymour?
How many hours of daylight does Seymour have in December?
When are sunrise and sunset in December in Seymour?
What are the months with the least sunshine in Seymour?
How long on average sun shines in December in Seymour?
When is the lowest UV index in Seymour?
What is the UV index reading in December in Seymour?
Average temperature in December
Seymour, IN
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.4°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 (23.4°F).
Average pressure in December
Seymour, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Seymour, IN
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Seymour, IN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Seymour, IN
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Seymour, IN
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Seymour, IN
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Seymour, IN
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is January (9 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
Seymour, IN
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in December
Seymour, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Seymour, 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, November and December (UV index 2).
Average cloud cover in December
Seymour, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Seymour, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Seymour, Indiana, USA
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