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 transition into December indicates a reduction in the average high-temperature, down to an icy 36.5°F (2.5°C) from November's frosty 47.7°F (8.7°C). Royal Center in December anticipates an average nighttime temperature of 26.6°F (-3°C).Humidity
The average relative humidity in December is 82%.Rainfall
The month with the least rainfall in Royal Center is December, when the rain falls for 8.4 days and typically collects 1.02" (26mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Royal Center. In December, in Royal Center, Indiana, it is snowing for 7.3 days. Throughout December, 1.18" (30mm) of snow is accumulated. In Royal Center, during the entire year, snow falls for 36.1 days and aggregates up to 7.8" (198mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Royal Center, Indiana.On the first day of the month, sunrise is at 7:51 am and sunset at 5:18 pm. On the last day of December, sunrise is at 8:10 am and sunset at 5:28 pm EST.
Sunshine
In December, the average sunshine 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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Royal Center?
What is the average humidity in December in Royal Center?
What is the driest month in Royal Center?
How much does it rain in Royal Center in December?
How much does it snow in Royal Center in December?
What is the month with the shortest days in Royal Center?
How many hours of daylight does Royal Center have in December?
What time are sunrise and sunset in December in Royal Center?
How long on average sun shines in December in Royal Center?
When is the lowest UV index in Royal Center?
What is the UV index reading in December in Royal Center?
Average temperature in December
Royal Center, IN
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 26.6°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 (18.9°F).
Average pressure in December
Royal Center, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Royal Center, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Royal Center, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Royal Center, IN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in December
Royal Center, IN
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Royal Center, IN
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Royal Center, IN
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Royal Center, 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Royal Center, IN
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Royal Center, 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
Royal Center, IN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July, August and September (Cloud cover 34).
Average visibility in December
Royal Center, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Royal Center, Indiana, USA
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