Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
During the coldest month, January, temperatures average a high of 25.5°F (-3.6°C) and a low of 12.9°F (-10.6°C).Humidity
The most humid month is January, with an average relative humidity of 85%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.5 days and typically collects 0.98" (25mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mackey, in January, snow falls for 12.5 days, with typically accumulated 4.21" (107mm) of snow. Throughout the year, there are 45.8 snowfall days, and 16.85" (428mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:43 am and sunset at 4:53 pm. On the last day of January, in Mackey, Iowa, sunrise is at 7:29 am and sunset at 5:27 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year in Mackey.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 exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the coldest month in Mackey?
How cold is it in Mackey in January?
What is the most humid month in Mackey?
What is the average humidity in January in Mackey?
What is the driest month in Mackey?
How many days does it rain in January in Mackey?
How many days does it snow in January in Mackey?
How many hours of daylight does Mackey have in January?
What time are sunrise and sunset in January in Mackey?
What is the month with the least sunshine in Mackey?
How many hours of sunshine does Mackey have in January?
What is the month with the lowest UV index in Mackey?
What is the UV index intensity in January in Mackey?
Average temperature in January
Mackey, IA
- Average high temperature in January: 25.5°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 (25.5°F).
- Average low temperature in January: 12.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in January
Mackey, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Mackey, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Mackey, IA
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Mackey, IA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Mackey, IA
- Average rainfall days in January: 4.5 days
The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Mackey, IA
- Average snowfall in January: 4.21"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mackey, IA
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mackey, IA
- Average daylight in January: 9h and 3min
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 January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Mackey, IA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in January
Mackey, IA
- Average UV index in January: 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 January
Mackey, IA
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in January
Mackey, IA
- Average visibility in January: 5mi
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).
Mackey, Iowa, USA
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