January weather forecastGranton, WI
January
Weather in January
January, the same as December, in Granton, Wisconsin, is another subzero cold winter month, with an average temperature varying between 19.6°F (-6.9°C) and 6.8°F (-14°C).Temperature
The coldest time of the year is January, with temperatures averaging a high of 19.6°F (-6.9°C) and a low of 6.8°F (-14°C).Humidity
The months with the highest humidity in Granton are January and February, with an average relative humidity of 91%.Rainfall
In Granton, in January, it is raining for 3.3 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 117.6 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
Months with snowfall in Granton are January through May, October through December. In Granton, during January, snow falls for 15.6 days and regularly aggregates up to 2.99" (76mm) of snow. Throughout the year, there are 68.3 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 17min.On the first day of January in Granton, sunrise is at 7:38 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:08 pm CST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year in Granton.UV index
January, February, 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 low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in January suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Granton, WI
- Average high temperature in January: 19.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in January: 6.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (6.8°F).
Average pressure in January
Granton, 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 (29.9"Hg).
Average wind speed in January
Granton, WI
- Average wind speed in January: 9.4mph
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 (6.8mph).
Average humidity in January
Granton, WI
- Average humidity in January: 91%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Granton, WI
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in January
Granton, WI
- Average rainfall days in January: 3.3 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in January
Granton, WI
- Average snowfall in January: 2.99"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Granton, WI
- Average snowfall days in January: 15.6 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Granton, WI
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 2h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Granton, WI
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in January
Granton, 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, February, November and December (UV index 1).
Average cloud cover in January
Granton, WI
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in January
Granton, WI
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August and December (5mi).





