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
January, with its average high-temperature of 24.6°F (-4.1°C) and an average low-temperature of 13.1°F (-10.5°C), holds the record as the coldest month.Humidity
January is the most humid month, with an average relative humidity of 88%.Rainfall
In Delafield, in January, it is raining for 3.4 days, with typically 0.87" (22mm) of accumulated precipitation. In Delafield, Wisconsin, during the entire year, the rain falls for 127.5 days and collects up to 18.94" (481mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Delafield. The month with the most snowfall in Delafield is January, when snow falls for 12.4 days and typically aggregates up to 2.99" (76mm) of snow.Daylight
In Delafield, Wisconsin, the average length of the day in January is 9h and 26min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:29 pm. On the last day of January, in Delafield, sunrise is at 7:09 am and sunset at 5:04 pm CST.
Sunshine
January has the least sunshine of the year in Delafield, Wisconsin, with an average of 3.3h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Delafield. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Delafield?
How cold is January in Delafield?
What is the most humid month in Delafield?
What is the average humidity in January in Delafield?
How much does it rain in Delafield in January?
When does it snow the most in Delafield?
How much does it snow in Delafield in January?
What is the average length of the day in January in Delafield?
When is the sunrise / sunset in January in Delafield?
What is the month with the least sunshine in Delafield?
How many hours of sunshine does Delafield have in January?
What is the month with the lowest UV index in Delafield?
What is the UV index intensity in January in Delafield?
Average temperature in January
Delafield, WI
- Average high temperature in January: 24.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in January: 13.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in January
Delafield, WI
- Average pressure in January: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Delafield, WI
- Average wind speed in January: 10.1mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Delafield, WI
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Delafield, WI
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in January
Delafield, WI
- Average rainfall days in January: 3.4 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
Delafield, WI
- Average snowfall in January: 2.99"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Delafield, WI
- Average snowfall days in January: 12.4 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Delafield, WI
- Average daylight in January: 9h and 2min
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 January: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Delafield, WI
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in January
Delafield, WI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Delafield, WI
- Average cloud cover in January: 65
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Delafield, WI
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Delafield, Wisconsin, USA
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