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
A clear reduction in the average high-temperature marks the arrival of December, falling from a chilly 43.7°F (6.5°C) in November to a freezing cold 27.9°F (-2.3°C). The temperature in Boyden dips to an average of 16.7°F (-8.5°C) during December nights.Humidity
In Boyden, the average relative humidity in December is 84%.Rainfall
In December, in Boyden, the rain falls for 4.5 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Boyden, during the entire year, the rain falls for 117.7 days and collects up to 21.42" (544mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Boyden, in December, during 9.5 snowfall days, 2.99" (76mm) of snow is typically accumulated. Throughout the year, in Boyden, there are 43.5 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December in Boyden, sunrise is at 7:36 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:58 pm CST.
Sunshine
In Boyden, the average sunshine in December is 4.5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Boyden in December?
What is the average humidity in December in Boyden?
How many days does it rain in December in Boyden?
How much does it snow in Boyden in December?
What is the month with the shortest days in Boyden?
What is the average length of the day in December in Boyden?
When are sunrise and sunset in December in Boyden?
How long on average sun shines in December in Boyden?
What are the months with the lowest UV index in Boyden?
What is the UV index intensity in December in Boyden?
Average temperature in December
Boyden, IA
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in December
Boyden, IA
- 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 (29.86"Hg).
Average wind speed in December
Boyden, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Boyden, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Boyden, IA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.35").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in December
Boyden, IA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Boyden, IA
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Boyden, IA
- Average snowfall days in December: 9.5 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
Boyden, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Boyden, IA
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Boyden, 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
Boyden, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Boyden, 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).
Boyden, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
