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 arrival of December corresponds with a shift in temperature, down from a frosty 47.5°F (8.6°C) in November to an icy 36.5°F (2.5°C). In the month of December, the temperature generally rests at an average low of 27°F (-2.8°C).Humidity
In Tillman, the average relative humidity in December is 83%.Rainfall
In Tillman, in December, it is raining for 9.5 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 151.9 rainfall days, and 23.39" (594mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Tillman, in December, snow falls for 10.7 days, with typically accumulated 1.85" (47mm) of snow. In Tillman, during the entire year, snow falls for 50 days and aggregates up to 12.68" (322mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:45 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine is 3.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Tillman?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Tillman, IN
- Average high temperature in December: 36.5°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 (30.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Tillman, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Tillman, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Tillman, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Tillman, IN
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
Tillman, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Tillman, IN
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tillman, IN
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tillman, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Tillman, IN
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in December
Tillman, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Tillman, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Tillman, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Tillman, Indiana, USA
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