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 November transitions into December, a clear downswing in temperatures is observed, with average highs retreating from a chilly 43°F (6.1°C) to a freezing cold 27.5°F (-2.5°C). In December, Melvin encounters an average low-temperature of 16.5°F (-8.6°C) during the night.Humidity
In Melvin, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 3.2 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. In Melvin, during the entire year, the rain falls for 95.2 days and collects up to 9.25" (235mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Melvin, in December, snow falls for 8.5 days, with typically accumulated 0.63" (16mm) of snow. In Melvin, during the entire year, snow falls for 40.2 days and aggregates up to 5.79" (147mm) of snow.Daylight
December has the shortest days of the year in Melvin, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:35 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December in Melvin is 4.4h.UV index
In Melvin, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Melvin in December?
What is the average humidity in December?
How much does it rain in Melvin in December?
How much does it snow in December?
What is the month with the shortest days in Melvin?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Melvin have in December?
What is the UV index reading in December?
Average temperature in December
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, IA
- Average daylight in December: 9h and 0min
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 0min).
- 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
Melvin, 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
Melvin, 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
Melvin, 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
Melvin, 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).
Melvin, Iowa, USA
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