December weather forecastGrandview, IN
December
Weather in December
The first month of the winter, December, is also a frosty month in Grandview, Indiana, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 33.4°F (0.8°C).Temperature
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a fresh 54.3°F (12.4°C) to a chilly 45.1°F (7.3°C). An average low-temperature of 33.4°F (0.8°C) is noted during the month of December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Grandview, in December, it is raining for 11.5 days, with typically 2.48" (63mm) of accumulated precipitation. In Grandview, during the entire year, the rain falls for 158.3 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Grandview, Indiana, during December, snow falls for 4.2 days and regularly aggregates up to 0.98" (25mm) of snow. In Grandview, during the entire year, snow falls for 20.5 days and aggregates up to 5.24" (133mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:45 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:03 am and sunset at 4:38 pm CST.
Sunshine
In Grandview, the average sunshine in December is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grandview, IN
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Grandview, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Grandview, IN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Grandview, IN
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Grandview, IN
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Grandview, IN
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Grandview, IN
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Grandview, IN
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.8 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
Grandview, IN
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Grandview, IN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Grandview, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Grandview, IN
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in December
Grandview, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
