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 December sets, the average high-temperature displays a significant decrease, moving down from a frosty 43°F (6.1°C) in November to a subzero cold 27.5°F (-2.5°C). In Primghar, the average temperature during the nights of December drops to 16.5°F (-8.6°C).Humidity
In Primghar, Iowa, the average relative humidity in December is 84%.Rainfall
In Primghar, Iowa, during December, the rain falls for 3.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 95.2 rainfall days, and 9.25" (235mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Primghar. In December, it is snowing for 8.5 days. Throughout December, 0.63" (16mm) of snow is accumulated. In Primghar, Iowa, during the entire year, snow falls for 40.2 days and aggregates up to 5.79" (147mm) 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, sunrise is at 7:35 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:57 pm CST.
Sunshine
In Primghar, the average sunshine in December is 4.4h.UV index
In Primghar, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Primghar in December?
What is the average humidity in December in Primghar?
How much does it rain in Primghar in December?
How much does it snow in Primghar in December?
What is the month with the shortest days in Primghar?
How many hours of daylight does Primghar have in December?
When is the sunrise / sunset in December in Primghar?
How long on average sun shines in December in Primghar?
How high is the UV index in December in Primghar?
Average temperature in December
Primghar, IA
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 16.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Primghar, 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
Primghar, IA
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Primghar, IA
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Primghar, IA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Primghar, IA
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Primghar, IA
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Primghar, IA
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Primghar, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Primghar, IA
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in December
Primghar, 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, February and November (UV index 1).
Average cloud cover in December
Primghar, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Primghar, 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).
Primghar, Iowa, USA
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