October weather forecast
Grantsburg, WI

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Weather in October

October, like September, in Grantsburg, Wisconsin, is another fresh autumn month, with an average temperature ranging between min 39°F (3.9°C) and max 53.1°F (11.7°C).

Temperature

October signals a considerable drop in Grantsburg's average high-temperature, reducing from an agreeable 69.3°F (20.7°C) in September to a cool 53.1°F (11.7°C). During the nights in October, Grantsburg experiences a consistent average temperature of 39°F (3.9°C).

Humidity

In October, the average relative humidity in Grantsburg, Wisconsin, is 76%.

Rainfall

In Grantsburg, during October, the rain falls for 12.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Grantsburg, during the entire year, the rain falls for 124.6 days and collects up to 21.65" (550mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 2.6 snowfall days, it receives 0.51" (13mm) of snow. In Grantsburg, during the entire year, snow falls for 70.6 days and aggregates up to 23.9" (607mm) of snow.

Daylight

The average length of the day in October is 10h and 55min.
On the first day of October in Grantsburg, sunrise is at 7:10 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:58 pm CDT.

Sunshine

In Grantsburg, the average sunshine in October is 5h.

UV index

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during October translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What are the temperatures in Grantsburg in October?

The average high-temperature, in October, in Grantsburg, is 53.1°F (11.7°C), while the average low-temperature is 39°F (3.9°C).

What is the average humidity in October in Grantsburg?

The average relative humidity in October in Grantsburg, Wisconsin, is 76%.

How much does it rain in Grantsburg in October?

In Grantsburg, Wisconsin, during October, the rain falls for 12.3 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When does it start snowing in Grantsburg?

October is the first month it typically snows. Throughout October, in the average 2.6 snowfall days, it receives 0.51" (13mm) of snow.

How many hours of daylight does Grantsburg have in October?

The average day length in October in Grantsburg, Wisconsin, is 10h and 55min.

When is the sunrise / sunset in October in Grantsburg?

In October, on the first day of the month, sunrise is at 7:10 am and sunset at 6:50 pm. On the last day of the month, in Grantsburg, Wisconsin, sunrise is at 7:50 am and sunset at 5:58 pm CDT.

How long on average sun shines in October in Grantsburg?

The average sunshine duration in October is 5h.

What is the UV index reading in October in Grantsburg?

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

Average temperature in October
Grantsburg, WI

Average temperature in October - Grantsburg, WI
  • Average high temperature in October: 53.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in October: 39°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

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Average pressure in October
Grantsburg, WI

Average pressure in October - Grantsburg, WI
  • Average pressure in October: 29.97"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in October
Grantsburg, WI

Average wind speed in October - Grantsburg, WI
  • Average wind speed in October: 8.6mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in October
Grantsburg, WI

Average humidity in October - Grantsburg, WI
  • Average humidity in October: 76%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).

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Average rainfall in October
Grantsburg, WI

Average rainfall in October - Grantsburg, WI
  • Average rainfall in October: 1.93"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in October
Grantsburg, WI

Average rainfall days in October - Grantsburg, WI
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in October
Grantsburg, WI

Average snowfall in October - Grantsburg, WI
  • Average snowfall in October: 0.51"

The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Grantsburg, WI

Average snowfall days in October - Grantsburg, WI
  • Average snowfall days in October: 2.6 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Grantsburg, WI

Average daylight in October / Average sunshine in October - Grantsburg, WI
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in October: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in October
Grantsburg, WI

Average sunshine days in October - Grantsburg, WI
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in October
Grantsburg, WI

Average UV index in October - Grantsburg, WI
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in October
Grantsburg, WI

Average cloud cover in October - Grantsburg, WI
  • Average cloud cover in October: 46

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in October
Grantsburg, WI

Average visibility in October - Grantsburg, WI
  • Average visibility in October: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Grantsburg, Wisconsin, USA

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