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 is the coldest month, with an average high-temperature of 28°F (-2.2°C) and an average low-temperature of 17.8°F (-7.9°C).Humidity
The months with the highest humidity in Rochester Hills are January and February, with an average relative humidity of 86%.Rainfall
In Rochester Hills, during 6.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, in Rochester Hills, there are 146.2 rainfall days, and 18.5" (470mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Rochester Hills. In Rochester Hills, Michigan, in January, snow falls for 15.7 days, with typically accumulated 3.15" (80mm) of snow. Throughout the year, in Rochester Hills, there are 62.5 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 28min.On the first day of January in Rochester Hills, Michigan, sunrise is at 8:02 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:44 pm EST.
Sunshine
January has the least sunshine of the year in Rochester Hills, with an average of 3.1h of sunshine.UV index
The average daily maximum UV index in January in Rochester Hills is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 2 in January transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the coldest month in Rochester Hills?
What is the temperature in January in Rochester Hills?
What are the most humid months in Rochester Hills?
What is the average humidity in January in Rochester Hills?
How many days does it rain in January in Rochester Hills?
How much does it snow in Rochester Hills in January?
What is the average length of the day in January in Rochester Hills?
When are sunrise and sunset in January in Rochester Hills?
What is the month with the least sunshine in Rochester Hills?
How long on average sun shines in January in Rochester Hills?
What is the UV index intensity in January in Rochester Hills?
Average temperature in January
Rochester Hills, MI
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in January: 17.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in January
Rochester Hills, MI
- Average pressure in January: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Rochester Hills, MI
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in January
Rochester Hills, MI
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, May, July and August (75%).
Average rainfall in January
Rochester Hills, MI
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are February and December (1.02").
Average rainfall days in January
Rochester Hills, MI
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in January
Rochester Hills, MI
- Average snowfall in January: 3.15"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rochester Hills, MI
- Average snowfall days in January: 15.7 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rochester Hills, MI
- Average daylight in January: 9h and 28min
The month with the longest days is June (Average daylight: 15h and 16min).
The month with the shortest days is December (Average daylight: 9h and 7min).
- Average sunshine in January: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Rochester Hills, MI
- Average sunshine days in January: 11 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in January
Rochester Hills, MI
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rochester Hills, MI
- 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 July (Cloud cover 29).
Average visibility in January
Rochester Hills, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
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