October weather forecast
Grand Rapids, MI

The vast cityscape of Grand Rapids, a moderately large town in Michigan and two visible bridges across the river
The vast cityscape of Grand Rapids, a moderately large town in Michigan and two visible bridges across the river

Weather in October

October, like September, is another mild autumn month in Grand Rapids, Michigan, with an average temperature fluctuating between 44.2°F (6.8°C) and 58.3°F (14.6°C).

Temperature

In October, the average high-temperature drops from an agreeable 72°F (22.2°C) in September to a moderate 58.3°F (14.6°C). In October, in Grand Rapids, the average low-temperature is 44.2°F (6.8°C).

Humidity

The average relative humidity in October in Grand Rapids is 77%.

Rainfall

In Grand Rapids, during October, the rain falls for 10.3 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Grand Rapids, there are 103.5 rainfall days, and 9.02" (229mm) of precipitation is accumulated.

Snowfall

In Grand Rapids, snow does not fall in May through October.

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 7:39 am and sunset at 7:24 pm. On the last day of October, sunrise is at 8:15 am and sunset at 6:36 pm EDT.

Sunshine

In October, the average sunshine in Grand Rapids is 5.4h.

UV index

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Grand Rapids?

In Grand Rapids, Michigan, in October, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in October in Grand Rapids?

In Grand Rapids, the average relative humidity in October is 77%.

How much does it rain in Grand Rapids in October?

In Grand Rapids, Michigan, in October, it is raining for 10.3 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Grand Rapids?

May through October are months without snowfall in Grand Rapids.

Does it snow in Grand Rapids in October?

In Grand Rapids, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Grand Rapids have in October?

In October, the average day length is 11h and 1min.

When are sunrise and sunset in October in Grand Rapids?

In October, on the first day of the month, sunrise is at 7:39 am and sunset at 7:24 pm. On the last day of the month, in Grand Rapids, sunrise is at 8:15 am and sunset at 6:36 pm EDT.

How many hours of sunshine does Grand Rapids have in October?

The average sunshine duration in October is 5.4h.

How high is the UV index in October in Grand Rapids?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Grand Rapids, MI

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).

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Average pressure in October
Grand Rapids, MI

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).

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Average wind speed in October
Grand Rapids, MI

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).

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Average humidity in October
Grand Rapids, MI

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%).

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Average rainfall in October
Grand Rapids, MI

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").

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Average rainfall days in October
Grand Rapids, MI

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).

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Average snowfall in October
Grand Rapids, MI

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").

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Average snowfall days in October
Grand Rapids, MI

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).

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Average daylight in October /
Average sunshine in October
Grand Rapids, MI

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).

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Average sunshine days in October
Grand Rapids, MI

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).

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Average UV index in October
Grand Rapids, MI

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).

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Average cloud cover in October
Grand Rapids, MI

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).

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Average visibility in October
Grand Rapids, MI

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).

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