December weather forecastPlymouth, NE
December
Weather in December
The first month of the winter, December, is also a wintry month in Plymouth, Nebraska, with an average temperature fluctuating between 23°F (-5°C) and 36.9°F (2.7°C).Temperature
With December's onset, the average high-temperature recedes from November's fresh 50.9°F (10.5°C) to a wintry 36.9°F (2.7°C). Plymouth, in December, witnesses an average low-temperature of 23°F (-5°C).Humidity
The average relative humidity in December is 74%.Rainfall
In December, in Plymouth, Nebraska, the rain falls for 3.5 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Plymouth, Nebraska, during the entire year, the rain falls for 115.2 days and collects up to 22.56" (573mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Plymouth. In Plymouth, in December, during 4.5 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Plymouth, during the entire year, snow falls for 22.2 days and aggregates up to 10.71" (272mm) of snow.Daylight
December has the shortest days of the year in Plymouth, with an average of 9h and 24min of daylight.On the first day of December in Plymouth, sunrise is at 7:32 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:12 pm CST.
Sunshine
The average sunshine in December is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Plymouth. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plymouth, NE
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Plymouth, NE
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Plymouth, NE
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Plymouth, NE
- Average humidity in December: 74%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (64%).
Average rainfall in December
Plymouth, NE
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Plymouth, NE
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Plymouth, NE
- Average snowfall in December: 1.73"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plymouth, NE
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plymouth, NE
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Plymouth, NE
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Plymouth, NE
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Plymouth, NE
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Plymouth, NE
- 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).





