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
McGregor's weather changes with the onset of December, slightly falling from a frosty 43°F (6.1°C) in November to a freezing cold 29.8°F (-1.2°C). During the month of December, an average low-temperature of 19°F (-7.2°C) is recorded in McGregor, Iowa.Humidity
In McGregor, Iowa, the average relative humidity in December is 84%.Rainfall
In McGregor, in December, it is raining for 4.7 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 124.7 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall in McGregor are January through May, October through December. In McGregor, Iowa, in December, snow falls for 9.8 days, with typically accumulated 2.87" (73mm) of snow. In McGregor, Iowa, during the entire year, snow falls for 44.5 days and aggregates up to 15.47" (393mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in McGregor, Iowa.On the first day of the month, sunrise is at 7:17 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:40 pm CST.
Sunshine
In McGregor, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in McGregor are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in McGregor in December?
What is the average humidity in December in McGregor?
How much does it rain in McGregor in December?
How much does it snow in McGregor in December?
What is the month with the shortest days in McGregor?
What is the average length of the day in December in McGregor?
What time are sunrise and sunset in December in McGregor?
How long on average sun shines in December in McGregor?
When is the lowest UV index in McGregor?
What is the UV index reading in December in McGregor?
Average temperature in December
McGregor, IA
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 19°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in December
McGregor, IA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
McGregor, IA
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
McGregor, IA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
McGregor, IA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
McGregor, IA
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
McGregor, IA
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McGregor, IA
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McGregor, IA
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
McGregor, IA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
McGregor, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
McGregor, IA
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
McGregor, IA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
McGregor, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
