December weather forecastCambridge, IA
December
Weather in December
December, the first month of the winter in Cambridge, is also an icy month, with temperature in the range of an average low of 21.4°F (-5.9°C) and an average high of 32.5°F (0.3°C).Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 46.4°F (8°C) to a cold 32.5°F (0.3°C). December nights in Cambridge are marked by an average low-temperature of 21.4°F (-5.9°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Cambridge, in December, during 5.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Cambridge, during the entire year, the rain falls for 141.4 days and collects up to 29.65" (753mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Cambridge, in December, snow falls for 9.3 days, with typically accumulated 2.91" (74mm) of snow. In Cambridge, during the entire year, snow falls for 44 days and aggregates up to 16.65" (423mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Cambridge.On the first day of December in Cambridge, sunrise is at 7:22 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:53 pm CST.
Sunshine
In Cambridge, the average sunshine in December is 4.6h.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 exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cambridge, IA
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
Cambridge, 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
Cambridge, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Cambridge, 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 (70%).
Average rainfall in December
Cambridge, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Cambridge, IA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Cambridge, IA
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cambridge, IA
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cambridge, 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 36min
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 6min).
Average sunshine days in December
Cambridge, IA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in December
Cambridge, 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
Cambridge, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Cambridge, 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).
