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 onset of December introduces a moderate change in Graham Valley's weather, with average high-temperatures falling from November's fresh 53.4°F (11.9°C) to a frosty 43.7°F (6.5°C). Throughout December, Graham Valley witnesses a nighttime temperature average of 32.9°F (0.5°C).Humidity
In December, the average relative humidity in Graham Valley is 79%.Rainfall
In Graham Valley, during December, the rain falls for 11.5 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Graham Valley, during the entire year, the rain falls for 172 days and collects up to 40.91" (1039mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Graham Valley, in December, snow falls for 4.1 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 21.1 snowfall days, and 6.26" (159mm) of snow is accumulated.Daylight
The month with the shortest days in Graham Valley, Indiana, is December, with an average of 9h and 36min of daylight.On the first day of December in Graham Valley, sunrise is at 6:47 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:39 pm CST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 4.4h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Graham Valley. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is December in Graham Valley?
What is the average humidity in December in Graham Valley?
How much does it rain in Graham Valley in December?
How much does it snow in Graham Valley in December?
What is the month with the shortest days in Graham Valley?
What is the average length of the day in December in Graham Valley?
When is the sunrise / sunset in December in Graham Valley?
What are the months with the least sunshine in Graham Valley?
How long on average sun shines in December in Graham Valley?
What is the month with the lowest UV index in Graham Valley?
How high is the UV index in December in Graham Valley?
Average temperature in December
Graham Valley, IN
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°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 (26.8°F).
Average pressure in December
Graham Valley, 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
Graham Valley, IN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Graham Valley, IN
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Graham Valley, IN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (5.31").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Graham Valley, IN
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in December
Graham Valley, IN
- Average snowfall in December: 1.02"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Graham Valley, IN
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (6.5 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
Graham Valley, 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Graham Valley, IN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Graham Valley, 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
Graham Valley, IN
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Graham 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).
Graham Valley, Indiana, USA
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