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
In Saint Johns, the lowest average temperatures are observed in January, with a high of 27°F (-2.8°C) and a low of 16.2°F (-8.8°C).Humidity
January is the most humid month, with an average relative humidity of 88%.Rainfall
In Saint Johns, Michigan, in January, it is raining for 6 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in Saint Johns, there are 137.2 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In January, it is snowing for 17.3 days. Throughout January, 3.82" (97mm) of snow is accumulated. In Saint Johns, during the entire year, snow falls for 66.6 days and aggregates up to 16.77" (426mm) of snow.Daylight
The average length of the day in January is 9h and 26min.On the first day of January, sunrise is at 8:09 am and sunset at 5:13 pm. On the last day of the month, 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.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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 is the most humid month?
What is the average humidity in January in Saint Johns?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Saint Johns have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Saint Johns have in January?
When is the lowest UV index?
How high is the UV index 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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