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
During the transition into December, Pilot Mound observes a decrease in the average high-temperature, falling from a frosty 45.5°F (7.5°C) in November to a cold 32°F (0°C). During the month of December, Pilot Mound anticipates a mean low-temperature of 21°F (-6.1°C).Humidity
In December, the average relative humidity in Pilot Mound is 80%.Rainfall
In Pilot Mound, Iowa, in December, during 4.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 126.1 rainfall days, and 26.85" (682mm) 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, 2.32" (59mm) of snow is accumulated. Throughout the year, in Pilot Mound, Iowa, there are 37.8 snowfall days, and 15.39" (391mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of December, in Pilot Mound, sunrise is at 7:44 am and sunset at 4:54 pm CST.
Sunshine
In Pilot Mound, Iowa, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Pilot Mound are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Pilot Mound?
What is the average humidity in December in Pilot Mound?
How much does it rain in Pilot Mound in December?
How much does it snow in Pilot Mound in December?
What is the month with the shortest days in Pilot Mound?
What is the average length of the day in December in Pilot Mound?
When are sunrise and sunset in December in Pilot Mound?
How many hours of sunshine does Pilot Mound have in December?
What is the month with the lowest UV index in Pilot Mound?
What is the UV index intensity in December in Pilot Mound?
Average temperature in December
Pilot Mound, IA
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Pilot Mound, 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 (29.88"Hg).
Average wind speed in December
Pilot Mound, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Pilot Mound, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Pilot Mound, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Pilot Mound, IA
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Pilot Mound, IA
- Average snowfall in December: 2.32"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pilot Mound, IA
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pilot Mound, 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 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Pilot Mound, IA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Pilot Mound, 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, October, November and December (UV index 2).
Average cloud cover in December
Pilot Mound, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in December
Pilot Mound, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Pilot Mound, Iowa, USA
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