October weather forecast
Merrillan, WI

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Weather in October

October marks a significant transition towards cooler weather in Merrillan, Wisconsin as fall takes a firmer grip. The drop in temperature more noticeable, reaching around a maximum of 55.2°F (12.9°C). While rainfall inches down, it continues to sustain the humidity levels. As the cloud cover increases compared to the prior months, the amount of sunlight declines. Furthermore, a notable increase in wind speed gives the air a brisk feeling.

Temperature

As October begins, there is a noticeable decrease in the average high-temperature, falling from an agreeable 70.3°F (21.3°C) in September to a cool 55.2°F (12.9°C). During the October nights, an average temperature of 39.4°F (4.1°C) is observed in Merrillan.

Humidity

In Merrillan, Wisconsin, the average relative humidity in October is 78%.

Rainfall

In October, the rain falls for 10.5 days. Throughout October, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Merrillan, there are 120.8 rainfall days, and 16.34" (415mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Merrillan are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.6 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Merrillan, there are 62.1 snowfall days, and 13.11" (333mm) of snow is accumulated.

Daylight

In October, the average length of the day is 10h and 58min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:43 pm. On the last day of October, in Merrillan, sunrise is at 7:40 am and sunset at 5:53 pm CDT.

Sunshine

The average sunshine in October in Merrillan, Wisconsin, is 5h.

UV index

In October, the average daily maximum UV index in Merrillan is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during October translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average October temperature in Merrillan?

The average high-temperature, in October, in Merrillan, is 55.2°F (12.9°C), while the average low-temperature is 39.4°F (4.1°C).

What is the average humidity in October in Merrillan?

In Merrillan, the average relative humidity in October is 78%.

How many days does it rain in October in Merrillan?

In Merrillan, Wisconsin, in October, during 10.5 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When does it start snowing in Merrillan?

October is the first month it typically snows in Merrillan. Throughout October, in the average 1.6 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Merrillan have in October?

In October, the average day length in Merrillan, Wisconsin, is 10h and 58min.

When is the sunrise / sunset in October in Merrillan?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:53 pm CDT.

How long on average sun shines in October in Merrillan?

In October, the average sunshine duration is 5h.

What is the UV index intensity in October in Merrillan?

In October, the average daily maximum UV index in Merrillan, Wisconsin, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Merrillan, WI

Average temperature in October - Merrillan, WI
  • Average high temperature in October: 55.2°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in October: 39.4°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in October
Merrillan, WI

Average pressure in October - Merrillan, WI
  • Average pressure in October: 29.98"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in October
Merrillan, WI

Average wind speed in October - Merrillan, WI
  • Average wind speed in October: 8.5mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in October
Merrillan, WI

Average humidity in October - Merrillan, WI
  • Average humidity in October: 78%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in October
Merrillan, WI

Average rainfall in October - Merrillan, WI
  • Average rainfall in October: 1.26"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in October
Merrillan, WI

Average rainfall days in October - Merrillan, WI
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in October
Merrillan, WI

Average snowfall in October - Merrillan, WI
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Merrillan, WI

Average snowfall days in October - Merrillan, WI
  • Average snowfall days in October: 1.6 days

The month with the highest number of snowfall days is January (15.4 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
Merrillan, WI

Average daylight in October / Average sunshine in October - Merrillan, WI
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in October: 5h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in October
Merrillan, WI

Average sunshine days in October - Merrillan, WI
  • Average sunshine days in October: 18.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in October
Merrillan, WI

Average UV index in October - Merrillan, WI
  • 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, February, November and December (UV index 1).

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Average cloud cover in October
Merrillan, WI

Average cloud cover in October - Merrillan, WI
  • Average cloud cover in October: 45

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Merrillan, WI

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

The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).

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Merrillan, Wisconsin, USA

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