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
As Holstein transitions into December, the average high-temperature shows a marked reduction, decreasing from a chilly 44.6°F (7°C) in November to a subzero cold 30°F (-1.1°C). Holstein encounters an average low-temperature of 19.6°F (-6.9°C) during December nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Holstein, during December, the rain falls for 3.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Holstein, during the entire year, the rain falls for 117.4 days and collects up to 24.61" (625mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Holstein, during December, snow falls for 8 days and regularly aggregates up to 2.09" (53mm) of snow. Throughout the year, there are 39.4 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:32 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:51 am and sunset at 4:59 pm CST.
Sunshine
The average sunshine in December is 4.6h.UV index
In Holstein, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Holstein?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Holstein, IA
- Average high temperature in December: 30°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 19.6°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 (13.1°F).
Average pressure in December
Holstein, 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 (29.87"Hg).
Average wind speed in December
Holstein, IA
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Holstein, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall in December
Holstein, IA
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Holstein, IA
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in December
Holstein, IA
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Holstein, IA
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holstein, 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 6min).
- Average sunshine in December: 4h and 4min
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 0min).
Average sunshine days in December
Holstein, IA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Holstein, 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 and February (UV index 1).
Average cloud cover in December
Holstein, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Holstein, IA
- 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).
Holstein, Iowa, USA
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