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, known for its average high temperature of 24.1°F (-4.4°C) and an average low temperature of 11.7°F (-11.3°C), is the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 88%.Rainfall
In Platteville, in January, it is raining for 4.8 days, with typically 1.22" (31mm) of accumulated precipitation. In Platteville, during the entire year, the rain falls for 140.6 days and collects up to 28.66" (728mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Platteville is January, when snow falls for 13.2 days and typically aggregates up to 4.88" (124mm) of snow.Daylight
In Platteville, the average length of the day in January is 9h and 28min.On the first day of January, sunrise is at 7:32 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:13 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During January, 1 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January in Platteville?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January in Platteville?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Platteville have in January?
When is the lowest UV index?
How high is the UV index in January in Platteville?
Average temperature in January
Platteville, WI
- Average high temperature in January: 24.1°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in January: 11.7°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in January
Platteville, WI
- Average pressure in January: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Platteville, WI
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Platteville, WI
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Platteville, WI
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in January
Platteville, WI
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in January
Platteville, WI
- Average snowfall in January: 4.88"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Platteville, WI
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Platteville, WI
- Average daylight in January: 9h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Platteville, WI
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in January
Platteville, WI
- Average UV index in January: 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 January
Platteville, WI
- Average cloud cover in January: 64
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 January
Platteville, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Platteville, Wisconsin, USA
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