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
Grand Rapids's October weather shows a moderate shift in high-temperatures, falling from September's agreeable 72°F (22.2°C) to a mild 58.3°F (14.6°C). In the month of October, an average of 44.2°F (6.8°C) marks the low-temperature.Humidity
The average relative humidity in October is 77%.Rainfall
In Grand Rapids, in October, during 10.3 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 103.5 rainfall days, and 9.02" (229mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Grand Rapids.Daylight
In Grand Rapids, the average length of the day in October is 11h and 1min.On the first day of the month, sunrise is at 7:40 am and sunset at 7:23 pm. On the last day of October, sunrise is at 8:16 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in October is 5.4h.UV index
In Grand Rapids, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: During October, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grand Rapids in October?
What is the average humidity in October in Grand Rapids?
How much does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
When is the sunrise / sunset in October in Grand Rapids?
How long on average sun shines in October?
What is the UV index intensity in October?
Average temperature in October
Grand Rapids, MI
- Average high temperature in October: 58.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in October: 44.2°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 (18.7°F).
Average pressure in October
Grand Rapids, 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
Grand Rapids, MI
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in October
Grand Rapids, MI
- Average humidity in October: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in October
Grand Rapids, MI
- Average rainfall in October: 1.1"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is March (0.47").
Average rainfall days in October
Grand Rapids, MI
- Average rainfall days in October: 10.3 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in October
Grand Rapids, MI
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Grand Rapids, MI
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Grand Rapids, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in October
Grand Rapids, MI
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is September (21 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in October
Grand Rapids, MI
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Grand Rapids, MI
- Average cloud cover in October: 50
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Grand Rapids, MI
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Grand Rapids, Michigan, USA
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