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 Collins, entering December brings a temperature decrement, reducing from November's chilly 45.7°F (7.6°C) to a wintry 32.5°F (0.3°C). The temperature in Collins lowers to an average of 21.6°F (-5.8°C) during December nights.Humidity
In Collins, the average relative humidity in December is 81%.Rainfall
In Collins, in December, it is raining for 3.7 days, with typically 0.39" (10mm) of accumulated precipitation. In Collins, during the entire year, the rain falls for 102 days and collects up to 10.59" (269mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Collins. In Collins, during December, snow falls for 5.5 days and regularly aggregates up to 0.63" (16mm) of snow. In Collins, during the entire year, snow falls for 29.9 days and aggregates up to 4.92" (125mm) 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 7:22 am and sunset at 4:42 pm. On the last day of December, in Collins, sunrise is at 7:40 am and sunset at 4:52 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Collins in December?
What is the average humidity in December in Collins?
How much does it rain in Collins in December?
How much does it snow in Collins in December?
What is the month with the shortest days in Collins?
How many hours of daylight does Collins have in December?
When is the sunrise / sunset in December in Collins?
How long on average sun shines in December in Collins?
What are the months with the lowest UV index in Collins?
What is the UV index intensity in December in Collins?
Average temperature in December
Collins, IA
- Average high temperature in December: 32.5°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 (26.2°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Collins, 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
Collins, IA
- Average wind speed in December: 10.2mph
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
Collins, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Collins, IA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in December
Collins, IA
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Collins, IA
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Collins, IA
- Average snowfall days in December: 5.5 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
Collins, 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 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 0min).
Average sunshine days in December
Collins, IA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
Collins, 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
Collins, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Collins, 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).
Collins, Iowa, USA
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