October weather forecast
Watertown, WI

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Weather in October

October fully immerses Watertown in the heart of fall. The cityscape is punctuated by vibrant autumnal colors, and cooler weather becomes more prevalent. Notably, temperatures during October vary from 41.7°F (5.4°C) to 57.6°F (14.2°C). While the days are still reasonably warm and inviting, the evenings require bundling up due to the declining temperatures. With the shrinkage in daylight hours, October's weather prompts the city to brace for the incoming winter season.

Temperature

October's onset brings a reduction in the average high-temperature, from an agreeable 70.9°F (21.6°C) in September to a mild 57.6°F (14.2°C). Watertown's nighttime temperature during October is consistently averaged at an icy 41.7°F (5.4°C).

Humidity

The average relative humidity in October is 78%.

Rainfall

In October, in Watertown, the rain falls for 9.9 days. Throughout October, 1.14" (29mm) of precipitation is accumulated. In Watertown, during the entire year, the rain falls for 113.9 days and collects up to 11.57" (294mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Watertown. Throughout October, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow. In Watertown, during the entire year, snow falls for 45 days and aggregates up to 5.51" (140mm) 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 6:53 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:29 am and sunset at 5:47 pm CDT.

Sunshine

In October, the average sunshine is 5.3h.

UV index

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Watertown in October?

In October, in Watertown, the average high-temperature is 57.6°F (14.2°C), and the average low-temperature is 41.7°F (5.4°C).

What is the average humidity in October in Watertown?

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

How much does it rain in Watertown in October?

In October, in Watertown, Wisconsin, the rain falls for 9.9 days. Throughout October, 1.14" (29mm) of precipitation is accumulated.

When does it start to snow in Watertown?

October is the first month it typically snows in Watertown, Wisconsin. Throughout October, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow.

What is the average length of the day in October in Watertown?

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

When is the sunrise / sunset in October in Watertown?

In October, on the first day of the month, sunrise is at 6:53 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:47 pm CDT.

How long on average sun shines in October in Watertown?

The average sunshine duration in October in Watertown is 5.3h.

How high is the UV index in October in Watertown?

In Watertown, Wisconsin, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Watertown, WI

Average temperature in October - Watertown, WI
  • Average high temperature in October: 57.6°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 (23.7°F).

  • Average low temperature in October: 41.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

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Average pressure in October
Watertown, WI

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

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Watertown, WI

Average wind speed in October - Watertown, WI
  • Average wind speed in October: 8.8mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in October
Watertown, WI

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

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in October
Watertown, WI

Average rainfall in October - Watertown, WI
  • Average rainfall in October: 1.14"

The wettest month (with the highest rainfall) is July (1.54").
The driest months (with the least rainfall) are February and December (0.47").

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Average rainfall days in October
Watertown, WI

Average rainfall days in October - Watertown, WI
  • Average rainfall days in October: 9.9 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3 days).

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Average snowfall in October
Watertown, WI

Average snowfall in October - Watertown, WI
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Watertown, WI

Average snowfall days in October - Watertown, WI
  • Average snowfall days in October: 0.8 days

The month with the highest number of snowfall days is January (12.1 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
Watertown, WI

Average daylight in October / Average sunshine in October - Watertown, 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 0min).

  • Average sunshine in October: 5h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in October
Watertown, WI

Average sunshine days in October - Watertown, WI
  • Average sunshine days in October: 17.6 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index in October
Watertown, WI

Average UV index in October - Watertown, 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, November and December (UV index 1).

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Average cloud cover in October
Watertown, WI

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

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July, August and September (Cloud cover 34).

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Average visibility in October
Watertown, WI

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

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

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Watertown, Wisconsin, USA

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