Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Saint Johns's weather changes with the onset of October, slightly falling from a pleasant 71.6°F (22°C) in September to a mild 58.1°F (14.5°C). Saint Johns, during the month of October, experiences an average low-temperature of 43.5°F (6.4°C).Humidity
In Saint Johns, Michigan, the average relative humidity in October is 79%.Rainfall
In Saint Johns, in October, during 15 rainfall days, 2.28" (58mm) 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. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Saint Johns, 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 October is 11h and 1min.On the first day of the month, sunrise is at 7:36 am and sunset at 7:18 pm. On the last day of October, sunrise is at 8:12 am and sunset at 6:31 pm EDT.
Sunshine
The average sunshine in October is 5.2h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during October leads to these advisories:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing?
What is the average length of the day in October in Saint Johns?
When are sunrise and sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Saint Johns, MI
- Average high temperature in October: 58.1°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 October: 43.5°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 October
Saint Johns, MI
- Average pressure in October: 29.99"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 October
Saint Johns, MI
- Average wind speed in October: 9.1mph
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 October
Saint Johns, MI
- Average humidity in October: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Saint Johns, MI
- Average rainfall in October: 2.28"
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 October
Saint Johns, MI
- Average rainfall days in October: 15 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 October
Saint Johns, MI
- Average snowfall in October: 0.08"
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 October
Saint Johns, MI
- Average snowfall days in October: 0.3 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 October /
Average sunshine in October
Saint Johns, MI
- Average daylight in October: 11h and 0min
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 October: 5h and 1min
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 October
Saint Johns, MI
- Average sunshine days in October: 13.5 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 October
Saint Johns, MI
- Average UV index in October: 2
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 October
Saint Johns, MI
- Average cloud cover in October: 50
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 October
Saint Johns, MI
- Average visibility in October: 6mi
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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