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
In Ruby, the lowest average temperatures are observed in January, with a high of 18.7°F (-7.4°C) and a low of 6.1°F (-14.4°C).Humidity
January and February, with an average relative humidity of 92%, are the most humid months.Rainfall
January is the month with the least rainfall. Rain falls for 3.7 days and accumulates 0.94" (24mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Ruby, during January, snow falls for 17.8 days and regularly aggregates up to 5.43" (138mm) of snow. In Ruby, during the entire year, snow falls for 84 days and aggregates up to 33.46" (850mm) of snow.Daylight
In Ruby, the average length of the day in January is 9h and 13min.On the first day of January, sunrise is at 7:42 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:09 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 2.8h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In January, a daily UV index of 1 turns into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Ruby have in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine?
How many hours of sunshine does Ruby have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Ruby, WI
- Average high temperature in January: 18.7°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in January: 6.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in January
Ruby, WI
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Ruby, WI
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Ruby, WI
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in January
Ruby, WI
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Ruby, WI
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in January
Ruby, WI
- Average snowfall in January: 5.43"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Ruby, WI
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ruby, WI
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in January
Ruby, WI
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Ruby, 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, November and December (UV index 1).
Average cloud cover in January
Ruby, WI
- Average cloud cover in January: 72
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Ruby, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Ruby, Wisconsin, USA
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