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
The start of December is characterized by a significant decrease in the average high-temperature, moving from a chilly 44.2°F (6.8°C) in November to a freezing cold 29.3°F (-1.5°C). During December, Schaller records an average temperature of 19.2°F (-7.1°C) at night.Humidity
In Schaller, the average relative humidity in December is 82%.Rainfall
In Schaller, in December, it is raining for 5.1 days, with typically 1.5" (38mm) of accumulated precipitation. In Schaller, during the entire year, the rain falls for 135.1 days and collects up to 26.73" (679mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Schaller, in December, snow falls for 11.3 days, with typically accumulated 2.76" (70mm) of snow. In Schaller, during the entire year, snow falls for 50 days and aggregates up to 20.04" (509mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Schaller, Iowa, sunrise is at 7:31 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:58 pm CST.
Sunshine
In Schaller, the average sunshine in December is 4.7h.UV index
In Schaller, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Schaller have in December?
What is the UV index reading in December?
Average temperature in December
Schaller, IA
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Schaller, 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 (29.87"Hg).
Average wind speed in December
Schaller, IA
- Average wind speed in December: 10.8mph
The windiest months (with the highest average wind speed) are January and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Schaller, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in December
Schaller, IA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Schaller, IA
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Schaller, IA
- Average snowfall in December: 2.76"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Schaller, IA
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Schaller, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Schaller, IA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Schaller, 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
Schaller, 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 28).
Average visibility in December
Schaller, 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).
Schaller, Iowa, USA
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