December weather forecastBancroft, IA
December
Weather in December
December, the first month of the winter in Bancroft, is also a subzero cold month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 17.8°F (-7.9°C).Temperature
With the onset of December, Bancroft experiences a noticeable temperature shift, with the average high-temperature receding from a chilly 43.2°F (6.2°C) in November to a freezing cold 28.2°F (-2.1°C). An average nighttime temperature of 17.8°F (-7.9°C) is witnessed throughout December.Humidity
In December, the average relative humidity in Bancroft is 84%.Rainfall
In December, in Bancroft, the rain falls for 3.3 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Bancroft, there are 100.5 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Bancroft, in December, snow falls for 8 days, with typically accumulated 1.22" (31mm) of snow. Throughout the year, there are 36.9 snowfall days, and 8.43" (214mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:30 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:49 am and sunset at 4:51 pm CST.
Sunshine
The average sunshine in December in Bancroft, Iowa, is 4.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Bancroft. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bancroft, IA
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Bancroft, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Bancroft, IA
- Average wind speed in December: 10.4mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Bancroft, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Bancroft, IA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Bancroft, IA
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Bancroft, IA
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Bancroft, IA
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.8 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
Bancroft, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Bancroft, IA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in December
Bancroft, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Bancroft, IA
- 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 July (Cloud cover 31).
Average visibility in December
Bancroft, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
