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
With December's onset, the average high-temperature recedes from November's frosty 46°F (7.8°C) to an icy 33.3°F (0.7°C). Buchanan encounters an average low-temperature of 23°F (-5°C) during December nights.Humidity
In Buchanan, the average relative humidity in December is 81%.Rainfall
In Buchanan, in December, it is raining for 7.2 days, with typically 1.42" (36mm) of accumulated precipitation. In Buchanan, during the entire year, the rain falls for 145.6 days and collects up to 30.04" (763mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Buchanan. In Buchanan, during December, snow falls for 7.7 days and regularly aggregates up to 2.36" (60mm) of snow. In Buchanan, during the entire year, snow falls for 37.9 days and aggregates up to 16.81" (427mm) of snow.Daylight
The month with the shortest days in Buchanan, Iowa, is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine is 4.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Buchanan in December?
What is the average humidity in December in Buchanan?
How many days does it rain in December in Buchanan?
How many days does it snow in December in Buchanan?
What is the month with the shortest days in Buchanan?
What is the average length of the day in December in Buchanan?
When are sunrise and sunset in December in Buchanan?
How long on average sun shines in December in Buchanan?
What are the months with the lowest UV index in Buchanan?
What is the UV index reading in December in Buchanan?
Average temperature in December
Buchanan, IA
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 23°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 (14.5°F).
Average pressure in December
Buchanan, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Buchanan, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Buchanan, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Buchanan, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Buchanan, IA
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Buchanan, IA
- Average snowfall in December: 2.36"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Buchanan, IA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Buchanan, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Buchanan, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in December
Buchanan, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Buchanan, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Buchanan, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Buchanan, Iowa, USA
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