December weather forecastLong Point, IA
December
Weather in December
The first month of the winter, December, is also a wintry month in Long Point, Iowa, with an average temperature fluctuating between 21.4°F (-5.9°C) and 32.5°F (0.3°C).Temperature
Long Point's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 45.1°F (7.3°C) to a cold 32.5°F (0.3°C). In December, Long Point records an average nighttime temperature of 21.4°F (-5.9°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Long Point, in December, it is raining for 5.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 133.1 rainfall days, and 27.76" (705mm) of precipitation is accumulated.Snowfall
Months with snowfall in Long Point are January through May, October through December. In Long Point, in December, snow falls for 8.1 days, with typically accumulated 2.24" (57mm) of snow. Throughout the year, there are 38.6 snowfall days, and 14.29" (363mm) of snow is accumulated.Daylight
The month with the shortest days in Long Point is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:48 pm CST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Long Point. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Long Point, IA
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Long Point, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Long Point, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Long Point, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Long Point, IA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Long Point, IA
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Long Point, IA
- Average snowfall in December: 2.24"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Long Point, IA
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Long Point, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Long Point, IA
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Long Point, 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
Long Point, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in December
Long Point, 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).





