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 28.4°F (-2°C) at the peak and 17.1°F (-8.3°C) at the low.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 86%.Rainfall
In Hillsdale, during January, the rain falls for 5.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 145.8 rainfall days, and 24.02" (610mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hillsdale, during January, snow falls for 11.6 days and regularly aggregates up to 3.46" (88mm) of snow. In Hillsdale, during the entire year, snow falls for 47.6 days and aggregates up to 15.04" (382mm) of snow.Daylight
The average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 8:06 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:51 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.9h of sunshine.UV index
In Hillsdale, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January in Hillsdale?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Hillsdale, MI
- Average high temperature in January: 28.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Hillsdale, MI
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Hillsdale, MI
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in January
Hillsdale, MI
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (77%).
Average rainfall in January
Hillsdale, MI
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.22").
Average rainfall days in January
Hillsdale, MI
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Hillsdale, MI
- Average snowfall in January: 3.46"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hillsdale, MI
- Average snowfall days in January: 11.6 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hillsdale, MI
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Hillsdale, MI
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in January
Hillsdale, MI
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Hillsdale, MI
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Hillsdale, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Hillsdale, Michigan, USA
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