Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Hyannis, December records the lowest average temperatures, peaking at 34.2°F (1.2°C) and reaching a low of 20.3°F (-6.5°C).Humidity
In Hyannis, the average relative humidity in December is 71%.Rainfall
In Hyannis, Nebraska, during December, the rain falls for 3.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 108.7 rainfall days, and 15.79" (401mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Hyannis, in December, during 7.6 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, there are 42.1 snowfall days, and 17.2" (437mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:25 pm MST.
Sunshine
In Hyannis, the average sunshine in December is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hyannis. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the coldest month in Hyannis?
How cold is December in Hyannis?
What is the average humidity in December in Hyannis?
How much does it rain in Hyannis in December?
How many days does it snow in December in Hyannis?
What is the month with the shortest days in Hyannis?
How many hours of daylight does Hyannis have in December?
When is the sunrise / sunset in December in Hyannis?
How long on average sun shines in December in Hyannis?
What are the months with the lowest UV index in Hyannis?
How high is the UV index in December in Hyannis?
Average temperature in December
Hyannis, NE
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (34.2°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest months (with the lowest average low temperature) are January and December (20.3°F).
Average pressure in December
Hyannis, NE
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Hyannis, NE
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.1mph).
Average humidity in December
Hyannis, NE
- Average humidity in December: 71%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Hyannis, NE
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Hyannis, NE
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is December (3.1 days).
Average snowfall in December
Hyannis, NE
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Hyannis, NE
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hyannis, NE
- Average daylight in December: 9h and 1min
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: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Hyannis, NE
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Hyannis, NE
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hyannis, NE
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Hyannis, 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).
Hyannis, Nebraska, USA
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