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
With December's arrival, Glenwood's weather changes as the average high-temperature falls from a chilly 49.5°F (9.7°C) in November to a wintry 39°F (3.9°C). An average low-temperature of 28.6°F (-1.9°C) is common in Glenwood, Indiana, during the nights of December.Humidity
January, July and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In December, in Glenwood, the rain falls for 11.5 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 172.6 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Glenwood. In December, it is snowing for 10.5 days. Throughout December, 3.31" (84mm) of snow is accumulated. In Glenwood, during the entire year, snow falls for 42.9 days and aggregates up to 14.61" (371mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:17 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:27 pm EST.
Sunshine
The average sunshine in December in Glenwood is 3.9h.UV index
December is the month with the lowest UV index in Glenwood, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
How cold is December in Glenwood?
What is the most humid month in Glenwood?
What is the average humidity in December in Glenwood?
How many days does it rain in December in Glenwood?
How much does it snow in Glenwood in December?
What is the month with the shortest days in Glenwood?
What is the average length of the day in December in Glenwood?
When is the sunrise / sunset in December in Glenwood?
How long on average sun shines in December in Glenwood?
What is the month with the lowest UV index in Glenwood?
What is the UV index reading in December in Glenwood?
Average temperature in December
Glenwood, IN
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Glenwood, 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
Glenwood, IN
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Glenwood, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, July and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Glenwood, IN
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Glenwood, IN
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in December
Glenwood, IN
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glenwood, IN
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenwood, 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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Glenwood, IN
- Average sunshine days in December: 12 days
The months with the most sunshine days are October and November (15.7 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Glenwood, 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
Glenwood, IN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Glenwood, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Glenwood, Indiana, USA
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