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, Troy sees a decrease in average high-temperatures, moving from a cool 53.6°F (12°C) in November to a frosty 44.6°F (7°C). Troy witnesses a consistent average low-temperature of 32.9°F (0.5°C) throughout December.Humidity
In December, the average relative humidity in Troy is 79%.Rainfall
In Troy, Indiana, during December, the rain falls for 9.5 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Troy, during the entire year, the rain falls for 133.4 days and collects up to 17.99" (457mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Troy, Indiana, in December, during 3.6 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Troy, during the entire year, snow falls for 20.2 days and aggregates up to 4.02" (102mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Troy.On the first day of December in Troy, sunrise is at 6:44 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine in Troy is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Troy. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Troy?
What is the average humidity in December in Troy?
How much does it rain in Troy in December?
How much does it snow in Troy in December?
What is the month with the shortest days in Troy?
How many hours of daylight does Troy have in December?
When is the sunrise / sunset in December in Troy?
How long on average sun shines in December in Troy?
What are the months with the lowest UV index in Troy?
How high is the UV index in December in Troy?
Average temperature in December
Troy, IN
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (86.5°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 (26.6°F).
Average pressure in December
Troy, 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
Troy, IN
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Troy, 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 (73%).
Average rainfall in December
Troy, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is April (2.13").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Troy, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in December
Troy, IN
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Troy, IN
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is February (6.1 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
Troy, IN
- Average daylight in December: 9h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in December
Troy, IN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Troy, 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
Troy, IN
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Troy, 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).
Troy, Indiana, USA
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