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
With its high average temperature of 17.8°F (-7.9°C) and a low of 4.8°F (-15.1°C), January is regarded as the coldest month.Humidity
January is the most humid month in Lewis, with an average relative humidity of 92%.Rainfall
The month with the least rainfall in Lewis is January, when the rain falls for 2.3 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lewis. In January, it is snowing for 17.3 days. Throughout January, 3.54" (90mm) of snow is accumulated. In Lewis, during the entire year, snow falls for 79 days and aggregates up to 24.72" (628mm) of snow.Daylight
The average length of the day in January in Lewis is 9h and 10min.On the first day of January, sunrise is at 7:50 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:13 pm CST.
Sunshine
January has the least sunshine of the year in Lewis, Wisconsin, with an average of 2.6h of sunshine.UV index
The months with the lowest UV index in Lewis are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 1 in January leads to these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What part of the year is the coldest in Lewis?
How cold is it in Lewis in January?
What is the most humid month in Lewis?
What is the average humidity in January in Lewis?
What is the driest month in Lewis?
How many days does it rain in January in Lewis?
How much does it snow in Lewis in January?
What is the average length of the day in January in Lewis?
When is the sunrise / sunset in January in Lewis?
What is the month with the least sunshine in Lewis?
How many hours of sunshine does Lewis have in January?
When is the lowest UV index in Lewis?
How high is the UV index in January in Lewis?
Average temperature in January
Lewis, WI
- Average high temperature in January: 17.8°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in January: 4.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in January
Lewis, WI
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Lewis, WI
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in January
Lewis, WI
- Average humidity in January: 92%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in January
Lewis, WI
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Lewis, WI
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in January
Lewis, WI
- Average snowfall in January: 3.54"
The month with the highest snowfall is December (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lewis, WI
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Lewis, WI
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in January
Lewis, WI
- Average sunshine days in January: 13.6 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in January
Lewis, WI
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Lewis, WI
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Lewis, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Lewis, Wisconsin, USA
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