December weather forecastGravel Pit, IA
December
Weather in December
December, the first month of the winter in Gravel Pit, is still a cold month, with an average temperature fluctuating between 32°F (0°C) and 21°F (-6.1°C).Temperature
Observing a mild shift, the average high-temperature during December reduces from November's frosty 45.9°F (7.7°C) to an icy 32°F (0°C). Gravel Pit experiences a mean temperature of 21°F (-6.1°C) during December nights.Humidity
The average relative humidity in December is 80%.Rainfall
In Gravel Pit, during December, the rain falls for 4.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Gravel Pit, during the entire year, the rain falls for 125.7 days and collects up to 26.5" (673mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Gravel Pit, in December, snow falls for 8.3 days, with typically accumulated 2.64" (67mm) of snow. In Gravel Pit, during the entire year, snow falls for 38.1 days and aggregates up to 15.31" (389mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:55 pm CST.
Sunshine
The average sunshine in December in Gravel Pit is 4.7h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gravel Pit, IA
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Gravel Pit, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Gravel Pit, IA
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Gravel Pit, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Gravel Pit, IA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Gravel Pit, IA
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Gravel Pit, IA
- Average snowfall in December: 2.64"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gravel Pit, IA
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gravel Pit, IA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Gravel Pit, IA
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Gravel Pit, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Gravel Pit, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in December
Gravel Pit, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
