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
Saint Ansgar, Iowa, experiences a temperature shift at the start of December, with average high-temperatures adjusting from an icy 41.5°F (5.3°C) in November to a freezing cold 27.5°F (-2.5°C). During the nights in December, Saint Ansgar experiences a consistent average temperature of 17.4°F (-8.1°C).Humidity
The average relative humidity in December is 87%.Rainfall
In December, the rain falls for 5.4 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. In Saint Ansgar, during the entire year, the rain falls for 135.3 days and collects up to 26.54" (674mm) of precipitation.Snowfall
Months with snowfall in Saint Ansgar are January through May, October through December. In Saint Ansgar, in December, during 11.9 snowfall days, 3.86" (98mm) of snow is typically accumulated. Throughout the year, there are 50.9 snowfall days, and 22.83" (580mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:45 pm CST.
Sunshine
In Saint Ansgar, the average sunshine in December is 4h.UV index
The months with the lowest UV index in Saint Ansgar are January, February, November 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 the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Saint Ansgar?
What is the average humidity in December in Saint Ansgar?
How many days does it rain in December in Saint Ansgar?
How many days does it snow in December in Saint Ansgar?
What is the month with the shortest days in Saint Ansgar?
What is the average length of the day in December in Saint Ansgar?
When is the sunrise / sunset in December in Saint Ansgar?
How long on average sun shines in December in Saint Ansgar?
What is the month with the lowest UV index in Saint Ansgar?
How high is the UV index in December in Saint Ansgar?
Average temperature in December
Saint Ansgar, IA
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in December: 17.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Saint Ansgar, IA
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Saint Ansgar, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Saint Ansgar, IA
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Saint Ansgar, IA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Saint Ansgar, IA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Saint Ansgar, IA
- Average snowfall in December: 3.86"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Ansgar, IA
- Average snowfall days in December: 11.9 days
The month with the highest number of snowfall days is December (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Ansgar, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Saint Ansgar, IA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in December
Saint Ansgar, 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, February, November and December (UV index 1).
Average cloud cover in December
Saint Ansgar, IA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Saint Ansgar, IA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Saint Ansgar, Iowa, USA
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