December weather forecastHidden Valley, IN
December
Weather in December
December, the first month of the winter in Hidden Valley, is also an icy month, with an average temperature varying between 29.7°F (-1.3°C) and 40.6°F (4.8°C).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a fresh 50.9°F (10.5°C) in November to a cold 40.6°F (4.8°C). In Hidden Valley, the expected average low-temperature for December is a freezing cold 29.7°F (-1.3°C).Humidity
With an average relative humidity of 82%, December is the most humid month in Hidden Valley.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 149 rainfall days, and 22.91" (582mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Hidden Valley, in December, during 6.7 snowfall days, 1.54" (39mm) of snow is typically accumulated. Throughout the year, there are 29.7 snowfall days, and 7.72" (196mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:26 pm EST.
Sunshine
In Hidden Valley, Indiana, the average sunshine in December is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To guard against the harmful effects of the Sun, minimize exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hidden Valley, IN
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Hidden Valley, IN
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Hidden Valley, IN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Hidden Valley, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in December
Hidden Valley, IN
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Hidden Valley, IN
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Hidden Valley, IN
- Average snowfall in December: 1.54"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hidden Valley, IN
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (8.1 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
Hidden Valley, IN
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Hidden Valley, IN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Hidden Valley, IN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hidden Valley, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Hidden Valley, 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).
