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
The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 48.7°F (9.3°C) to a cold 34.7°F (1.5°C). In Berwyn, the December nights cool down to an average low of 21.7°F (-5.7°C).Humidity
The average relative humidity in December is 73%.Rainfall
In Berwyn, in December, it is raining for 3.7 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 93.8 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Berwyn. The months with the most snowfall in Berwyn, Nebraska, are February and December, with an average 3.62" (92mm) of accumulated snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:45 am and sunset at 5:09 pm. On the last day of December, in Berwyn, sunrise is at 8:03 am and sunset at 5:18 pm CST.
Sunshine
The average sunshine in December in Berwyn is 5.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Berwyn?
What is the average humidity in December in Berwyn?
How much does it rain in Berwyn in December?
When does it snow the most in Berwyn?
How many days does it snow in December in Berwyn?
What is the month with the shortest days in Berwyn?
How many hours of daylight does Berwyn have in December?
When are sunrise and sunset in December in Berwyn?
How long on average sun shines in December in Berwyn?
When is the lowest UV index in Berwyn?
How high is the UV index in December in Berwyn?
Average temperature in December
Berwyn, NE
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Berwyn, NE
- Average pressure in December: 30.14"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
Berwyn, NE
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in December
Berwyn, NE
- Average humidity in December: 73%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (60%).
Average rainfall in December
Berwyn, NE
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Berwyn, NE
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is December (3.7 days).
Average snowfall in December
Berwyn, NE
- Average snowfall in December: 3.62"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Berwyn, NE
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Berwyn, NE
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Berwyn, NE
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is April (14.6 days).
Average UV index in December
Berwyn, 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
Berwyn, NE
- Average cloud cover in December: 37
The months with the most cloud cover are January and February (Cloud cover 41).
The months with the least cloud cover are July and September (Cloud cover 23).
Average visibility in December
Berwyn, 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).
Berwyn, Nebraska, USA
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