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
The month of January sees the lowest average temperatures, reaching 21.6°F (-5.8°C) at the peak and 8.2°F (-13.2°C) at the low.Humidity
January is the most humid month, with an average relative humidity of 90%.Rainfall
January is the month with the least rainfall. Rain falls for 4.1 days and accumulates 1.02" (26mm) of precipitation.Snowfall
Months with snowfall in West Salem are January through May, October through December. In January, it is snowing for 14.3 days. Throughout January, 5.24" (133mm) of snow is accumulated. In West Salem, during the entire year, snow falls for 58 days and aggregates up to 22.56" (573mm) of snow.Daylight
In January, the average length of the day is 9h and 21min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:12 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.1h of sunshine.UV index
The months with the lowest UV index in West Salem are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 1 in January leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does West Salem have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does West Salem have in January?
When is the lowest UV index in West Salem?
How high is the UV index in January?
Average temperature in January
West Salem, WI
- Average high temperature in January: 21.6°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 (21.6°F).
- Average low temperature in January: 8.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in January
West Salem, WI
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
West Salem, WI
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
West Salem, WI
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
West Salem, WI
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in January
West Salem, WI
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
West Salem, WI
- Average snowfall in January: 5.24"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
West Salem, WI
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
West Salem, WI
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 3h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
West Salem, WI
- Average sunshine days in January: 14.9 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in January
West Salem, 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
West Salem, WI
- Average cloud cover in January: 67
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
West Salem, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
West Salem, Wisconsin, USA
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