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
Temperature records mark January as the coldest month, with highs averaging 18°F (-7.8°C) and lows at 4.8°F (-15.1°C).Humidity
The most humid month in Siren is January, with an average relative humidity of 91%.Rainfall
January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.55" (14mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Siren. In January, it is snowing for 15.8 days. Throughout January, 3.54" (90mm) of snow is accumulated. Throughout the year, in Siren, there are 70.6 snowfall days, and 23.9" (607mm) of snow is accumulated.Daylight
In January, the average length of the day in Siren is 9h and 10min.On the first day of the month, sunrise is at 7:50 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:13 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 2.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Siren. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in January transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What part of the year is the coldest in Siren?
How cold is January in Siren?
What is the most humid month in Siren?
What is the average humidity in January in Siren?
What is the driest month in Siren?
How much does it rain in Siren in January?
How much does it snow in Siren in January?
What is the average length of the day in January in Siren?
What time are sunrise and sunset in January in Siren?
What is the month with the least sunshine in Siren?
How long on average sun shines in January in Siren?
What are the months with the lowest UV index in Siren?
What is the UV index intensity in January in Siren?
Average temperature in January
Siren, WI
- Average high temperature in January: 18°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°F).
- Average low temperature in January: 4.8°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 (4.8°F).
Average pressure in January
Siren, 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
Siren, WI
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in January
Siren, WI
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in January
Siren, WI
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Siren, WI
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in January
Siren, WI
- Average snowfall in January: 3.54"
The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Siren, WI
- Average snowfall days in January: 15.8 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Siren, 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 42min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in January
Siren, WI
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in January
Siren, 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
Siren, WI
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Siren, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Siren, Wisconsin, USA
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