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
Gilman in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 46.2°F (7.9°C) to a cold 33.1°F (0.6°C). The average low-temperature in Gilman during December nights is a subzero cold 22.1°F (-5.5°C).Humidity
In Gilman, the average relative humidity in December is 80%.Rainfall
In Gilman, in December, during 5.7 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Gilman, there are 117.5 rainfall days, and 13.03" (331mm) of precipitation is accumulated.Snowfall
Months with snowfall in Gilman are January through May, October through December. In Gilman, in December, snow falls for 6.9 days, with typically accumulated 0.79" (20mm) of snow. In Gilman, during the entire year, snow falls for 30.7 days and aggregates up to 6.06" (154mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:19 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The average daily maximum UV index in December in Gilman, Iowa, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
How cold is December in Gilman?
What is the average humidity in December in Gilman?
How many days does it rain in December in Gilman?
How many days does it snow in December in Gilman?
What is the month with the shortest days in Gilman?
How many hours of daylight does Gilman have in December?
What time are sunrise and sunset in December in Gilman?
How long on average sun shines in December in Gilman?
What is the UV index reading in December in Gilman?
Average temperature in December
Gilman, IA
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in December
Gilman, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Gilman, 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 August (7mph).
Average humidity in December
Gilman, 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 (71%).
Average rainfall in December
Gilman, IA
- Average rainfall in December: 0.51"
The wettest months (with the highest rainfall) are May and June (1.97").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Gilman, IA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Gilman, IA
- Average snowfall in December: 0.79"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gilman, IA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gilman, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Gilman, IA
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Gilman, 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
Gilman, 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 September (Cloud cover 29).
Average visibility in December
Gilman, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Gilman, Iowa, USA
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