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, on average, is the coldest month, registering a high temperature of 27°F (-2.8°C) and a low of 16.2°F (-8.8°C).Humidity
The most humid month in Saint Johns, Michigan, is January, with an average relative humidity of 88%.Rainfall
In Saint Johns, in January, during 6 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 137.2 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In January, it is snowing for 17.3 days. Throughout January, 3.82" (97mm) of snow is accumulated. In Saint Johns, Michigan, during the entire year, snow falls for 66.6 days and aggregates up to 16.77" (426mm) of snow.Daylight
In Saint Johns, the average length of the day in January is 9h and 26min.On the first day of the month, sunrise is at 8:09 am and sunset at 5:13 pm. On the last day of January, sunrise is at 7:54 am and sunset at 5:48 pm EST.
Sunshine
With an average of 2.6h of sunshine, January has the least sunshine of the year in Saint Johns.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Saint Johns. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 1 in January translates into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are the coldest months in Saint Johns?
How cold is it in Saint Johns in January?
What is the most humid month in Saint Johns?
What is the average humidity in January in Saint Johns?
How much does it rain in Saint Johns in January?
How many days does it snow in January in Saint Johns?
What is the average length of the day in January in Saint Johns?
When is the sunrise / sunset in January in Saint Johns?
What is the month with the least sunshine in Saint Johns?
How long on average sun shines in January in Saint Johns?
When is the lowest UV index in Saint Johns?
What is the UV index intensity in January in Saint Johns?
Average temperature in January
Saint Johns, MI
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Saint Johns, MI
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Saint Johns, MI
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Saint Johns, MI
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Saint Johns, MI
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in January
Saint Johns, MI
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (5 days).
Average snowfall in January
Saint Johns, MI
- Average snowfall in January: 3.82"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Saint Johns, MI
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Saint Johns, MI
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in January
Saint Johns, MI
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in January
Saint Johns, MI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Saint Johns, MI
- Average cloud cover in January: 72
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Saint Johns, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Saint Johns, Michigan, USA
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