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
January, noted for its average high-temperature of 18°F (-7.8°C) and an average low-temperature of 5°F (-15°C), is considered the coldest month.Humidity
January is the most humid month, with an average relative humidity of 92%.Rainfall
January is the month with the least rainfall in Graytown. Rain falls for 2.7 days and accumulates 0.67" (17mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Graytown, Wisconsin. In Graytown, during January, snow falls for 16.4 days and regularly aggregates up to 3.94" (100mm) of snow. In Graytown, during the entire year, snow falls for 74.5 days and aggregates up to 24.06" (611mm) of snow.Daylight
In January, the average length of the day is 9h and 13min.On the first day of the month, sunrise is at 7:47 am and sunset at 4:36 pm. On the last day of January, in Graytown, sunrise is at 7:29 am and sunset at 5:13 pm CST.
Sunshine
January has the least sunshine of the year in Graytown, with an average of 2.7h of sunshine.UV index
The months with the lowest UV index in Graytown are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What part of the year is the coldest in Graytown?
How cold is it in Graytown in January?
What is the most humid month in Graytown?
What is the average humidity in January in Graytown?
What is the driest month in Graytown?
How many days does it rain in January in Graytown?
How much does it snow in Graytown in January?
How many hours of daylight does Graytown have in January?
When are sunrise and sunset in January in Graytown?
What is the month with the least sunshine in Graytown?
How many hours of sunshine does Graytown have in January?
What are the months with the lowest UV index in Graytown?
What is the UV index reading in January in Graytown?
Average temperature in January
Graytown, WI
- Average high temperature in January: 18°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in January: 5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in January
Graytown, 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
Graytown, WI
- Average wind speed in January: 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 (6.8mph).
Average humidity in January
Graytown, WI
- Average humidity in January: 92%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Graytown, WI
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in January
Graytown, WI
- Average rainfall days in January: 2.7 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in January
Graytown, WI
- Average snowfall in January: 3.94"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Graytown, WI
- Average snowfall days in January: 16.4 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Graytown, 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 4min
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 42min).
Average sunshine days in January
Graytown, WI
- Average sunshine days in January: 14.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Graytown, 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
Graytown, WI
- Average cloud cover in January: 72
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in January
Graytown, 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 and February (4mi).
Graytown, Wisconsin, USA
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