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 19.2°F (-7.1°C) and an average low-temperature of 9.7°F (-12.4°C), is considered the coldest month.Humidity
January and February, with an average relative humidity of 92%, are the most humid months.Rainfall
In Hartley, in January, during 2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 112.5 rainfall days, and 22.68" (576mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Hartley, during January, snow falls for 23.3 days and regularly aggregates up to 7.8" (198mm) of snow. In Hartley, Michigan, during the entire year, snow falls for 114.2 days and aggregates up to 51.22" (1301mm) of snow.Daylight
In January, the average length of the day is 9h and 5min.On the first day of January, sunrise is at 7:42 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:01 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 1.5h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Hartley, Michigan. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What are the most humid months in Hartley?
What is the average humidity in January?
How much does it rain in January?
How many days 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?
When is the lowest UV index?
What is the UV index reading in January in Hartley?
Average temperature in January
Hartley, MI
- Average high temperature in January: 19.2°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in January: 9.7°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in January
Hartley, MI
- Average pressure in January: 30.07"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Hartley, MI
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.1mph).
Average humidity in January
Hartley, MI
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in January
Hartley, MI
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in January
Hartley, MI
- Average rainfall days in January: 2 days
The month with the highest number of rainy days is August (14.4 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in January
Hartley, MI
- Average snowfall in January: 7.8"
The month with the highest snowfall is December (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hartley, MI
- Average snowfall days in January: 23.3 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hartley, MI
- 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: 1h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in January
Hartley, MI
- Average sunshine days in January: 7.4 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in January
Hartley, MI
- 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, March, November and December (UV index 1).
Average cloud cover in January
Hartley, MI
- Average cloud cover in January: 85
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Hartley, MI
- Average visibility in January: 4mi
The months with the highest visibility are May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Hartley, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location