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 Berkley, entering December brings a temperature decrement, reducing from November's chilly 46.6°F (8.1°C) to a wintry 32.9°F (0.5°C). In the month of December, Berkley records a consistent average low-temperature of 21.4°F (-5.9°C).Humidity
In Berkley, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 5.5 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Berkley, Iowa, during the entire year, the rain falls for 131.7 days and collects up to 26.65" (677mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 7.5 days. Throughout December, 1.81" (46mm) of snow is accumulated. In Berkley, during the entire year, snow falls for 37.2 days and aggregates up to 13.35" (339mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Berkley.On the first day of the month, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of December, in Berkley, Iowa, sunrise is at 7:44 am and sunset at 4:55 pm CST.
Sunshine
The average sunshine in December in Berkley, Iowa, is 4.8h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. 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 Berkley?
What is the average humidity in December in Berkley?
How much does it rain in Berkley in December?
How many days does it snow in December in Berkley?
What is the month with the shortest days in Berkley?
What is the average length of the day in December in Berkley?
When is the sunrise / sunset in December in Berkley?
How long on average sun shines in December in Berkley?
What are the months with the lowest UV index in Berkley?
What is the UV index intensity in December in Berkley?
Average temperature in December
Berkley, IA
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in December
Berkley, 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
Berkley, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Berkley, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Berkley, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Berkley, IA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Berkley, IA
- Average snowfall in December: 1.81"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Berkley, IA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Berkley, IA
- 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Berkley, IA
- Average sunshine days in December: 18.9 days
The months with the most sunshine days are October, November and December (18.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Berkley, 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
Berkley, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in December
Berkley, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Berkley, Iowa, USA
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