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 onset of December is marked by a decrease in temperature, transitioning from a fresh 50.9°F (10.5°C) in November to a cold 40.6°F (4.8°C). During the nights in December, an average low-temperature of 29.5°F (-1.4°C) is observed.Humidity
With an average relative humidity of 82%, December is the most humid month in Grammer, Indiana.Rainfall
In Grammer, during December, the rain falls for 9.9 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Grammer, during the entire year, the rain falls for 137.6 days and collects up to 17.99" (457mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Grammer, in December, snow falls for 6.6 days, with typically accumulated 0.91" (23mm) of snow. In Grammer, Indiana, during the entire year, snow falls for 29.3 days and aggregates up to 5.35" (136mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Grammer.On the first day of December, sunrise is at 7:43 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:30 pm EST.
Sunshine
In December, the average sunshine in Grammer, Indiana, is 4.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
Is December cold in Grammer?
What is the most humid month in Grammer?
What is the average humidity in December in Grammer?
How much does it rain in Grammer in December?
How much does it snow in Grammer in December?
What is the month with the shortest days in Grammer?
What is the average length of the day in December in Grammer?
When is the sunrise / sunset in December in Grammer?
How many hours of sunshine does Grammer have in December?
What is the month with the lowest UV index in Grammer?
What is the UV index intensity in December in Grammer?
Average temperature in December
Grammer, IN
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Grammer, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Grammer, IN
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in December
Grammer, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Grammer, IN
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
Grammer, IN
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Grammer, IN
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Grammer, IN
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (7.3 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
Grammer, 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 month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Grammer, IN
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in December
Grammer, 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
Grammer, IN
- Average cloud cover in December: 56
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
Grammer, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Grammer, Indiana, USA
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