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
Holstein in December experiences a marked decrease in the average high-temperature, descending from November's frosty 44.6°F (7°C) to a freezing cold 30°F (-1.1°C). During December, the nighttime temperature in Holstein averages of 19.6°F (-6.9°C).Humidity
In Holstein, Iowa, the average relative humidity in December is 81%.Rainfall
In Holstein, Iowa, during December, the rain falls for 3.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 117.4 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 8 days. Throughout December, 2.09" (53mm) of snow is accumulated. Throughout the year, there are 39.4 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
The month with the shortest days in Holstein is December, with an average of 9h and 6min of daylight.On the first day of December in Holstein, sunrise is at 7:32 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:59 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is December in Holstein?
What is the average humidity in December in Holstein?
How many days does it rain in December in Holstein?
How much does it snow in Holstein in December?
What is the month with the shortest days in Holstein?
What is the average length of the day in December in Holstein?
When are sunrise and sunset in December in Holstein?
How many hours of sunshine does Holstein have in December?
What is the UV index reading in December in Holstein?
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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