October weather forecast
Merton, WI

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Weather in October

October, like September, is another refreshing autumn month in Merton, Wisconsin, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 43.3°F (6.3°C).

Temperature

Merton's transition into October involves a shift in temperature, receding from a pleasant 70.5°F (21.4°C) in September to a moderate 57.2°F (14°C). October witnesses an average nighttime temperature of 43.3°F (6.3°C).

Humidity

April and October, with an average relative humidity of 77%, are the least humid months.

Rainfall

In October, the rain falls for 13.5 days. Throughout October, 2.83" (72mm) of precipitation is accumulated. In Merton, during the entire year, the rain falls for 149.2 days and collects up to 28.54" (725mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.71" (18mm) of snow. In Merton, during the entire year, snow falls for 58.7 days and aggregates up to 20.47" (520mm) of snow.

Daylight

The average length of the day in October is 11h and 1min.
On the first day of the month, sunrise is at 6:51 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:45 pm CDT.

Sunshine

In Merton, the average sunshine in October is 5.4h.

UV index

In Merton, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during October leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the average October temperature in Merton?

In Merton, 57.2°F (14°C) is the average high-temperature and 43.3°F (6.3°C) is the average low-temperature during October.

What is the least humid month?

April and October, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in October?

In October, the average relative humidity is 77%.

How much does it rain in October?

In Merton, in October, during 13.5 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.71" (18mm) of snow.

What is the average length of the day in October?

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

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:51 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:45 pm CDT.

How long on average sun shines in October in Merton?

The average sunshine duration in October is 5.4h.

How high is the UV index in October?

In October, the average daily maximum UV index in Merton is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Merton, WI

Average temperature in October - Merton, WI
  • Average high temperature in October: 57.2°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in October: 43.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in October
Merton, WI

Average pressure in October - Merton, WI
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Merton, WI

Average wind speed in October - Merton, WI
  • Average wind speed in October: 9.3mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in October
Merton, WI

Average humidity in October - Merton, WI
  • Average humidity in October: 77%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in October
Merton, WI

Average rainfall in October - Merton, WI
  • Average rainfall in October: 2.83"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in October
Merton, WI

Average rainfall days in October - Merton, WI
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in October
Merton, WI

Average snowfall in October - Merton, WI
  • Average snowfall in October: 0.71"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Merton, WI

Average snowfall days in October - Merton, WI
  • Average snowfall days in October: 0.9 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).

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

Average daylight in October / Average sunshine in October - Merton, WI
  • 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in October
Merton, WI

Average sunshine days in October - Merton, WI
  • Average sunshine days in October: 14.1 days

The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).

Average UV index in October
Merton, WI

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Merton, WI

Average cloud cover in October - Merton, WI
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in October
Merton, WI

Average visibility in October - Merton, WI
  • 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).

Merton, Wisconsin, USA

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