December weather forecastLamar, IN
December
Weather in December
December, the first month of the winter in Lamar, is also a frosty month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 32.9°F (0.5°C).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a chilly 44.6°F (7°C) from November's fresh 53.6°F (12°C). During the month of December, Lamar's nighttime temperature lowers to an average of 32.9°F (0.5°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Lamar, in December, during 8.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 122.6 rainfall days, and 13.03" (331mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. In Lamar, during December, snow falls for 3.5 days and regularly aggregates up to 0.24" (6mm) of snow. In Lamar, during the entire year, snow falls for 20.1 days and aggregates up to 2.24" (57mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:45 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lamar, IN
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Lamar, 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
Lamar, IN
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Lamar, IN
- Average humidity in December: 79%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Lamar, IN
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in December
Lamar, IN
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (14 days).
The months with the least rainy days are January and November (7.7 days).
Average snowfall in December
Lamar, IN
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Lamar, IN
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lamar, 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 30min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Lamar, IN
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is May (13 days).
Average UV index in December
Lamar, 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
Lamar, IN
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Lamar, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
