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
In Yarmouth, the average high-temperature in December decreases from a chilly 47.8°F (8.8°C) in November to an icy 35.8°F (2.1°C). Yarmouth's nights in December cool down to an average low-temperature of 24.6°F (-4.1°C).Humidity
The average relative humidity in December in Yarmouth is 79%.Rainfall
December is the month with the least rainfall in Yarmouth, Iowa. Rain falls for 6.5 days and accumulates 0.87" (22mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Yarmouth, Iowa, in December, during 6.2 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, in Yarmouth, Iowa, there are 32.5 snowfall days, and 9.57" (243mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:37 pm. On the last day of December, in Yarmouth, Iowa, sunrise is at 7:30 am and sunset at 4:47 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
In Yarmouth, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health 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:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Yarmouth in December?
What is the average humidity in December in Yarmouth?
What is the driest month in Yarmouth?
How many days does it rain in December in Yarmouth?
How much does it snow in Yarmouth in December?
What is the month with the shortest days in Yarmouth?
What is the average length of the day in December in Yarmouth?
When are sunrise and sunset in December in Yarmouth?
How many hours of sunshine does Yarmouth have in December?
How high is the UV index in December in Yarmouth?
Average temperature in December
Yarmouth, IA
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Yarmouth, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Yarmouth, IA
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Yarmouth, IA
- Average humidity in December: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Yarmouth, IA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in December
Yarmouth, IA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Yarmouth, IA
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Yarmouth, IA
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Yarmouth, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Yarmouth, IA
- Average sunshine days in December: 18.5 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Yarmouth, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Yarmouth, 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 August (Cloud cover 29).
Average visibility in December
Yarmouth, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Yarmouth, Iowa, USA
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