October weather forecast
Saint Clair, MN

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Weather in October

October, the same as September, in Saint Clair, Minnesota, is a moderate autumn month, with an average temperature ranging between max 57°F (13.9°C) and min 41.9°F (5.5°C).

Temperature

The start of October is characterized by a significant decrease in the average high-temperature, moving from an agreeable 72.7°F (22.6°C) in September to a moderate 57°F (13.9°C). Saint Clair, during October nights, observes an average temperature of 41.9°F (5.5°C).

Humidity

The least humid month is October, with an average relative humidity of 69%.

Rainfall

In Saint Clair, Minnesota, in October, it is raining for 7.5 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 97.8 rainfall days, and 14.21" (361mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.2 snowfall days, it receives 0.2" (5mm) of snow. In Saint Clair, during the entire year, snow falls for 44.9 days and aggregates up to 12.72" (323mm) of snow.

Daylight

The average length of the day in October is 10h and 59min.
On the first day of October, sunrise is at 7:14 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:06 pm CDT.

Sunshine

In Saint Clair, the average sunshine in October is 5.4h.

UV index

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in October interprets into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The average high-temperature, in October, in Saint Clair, is 57°F (13.9°C), while the average low-temperature is 41.9°F (5.5°C).

What is the least humid month in Saint Clair?

With an average relative humidity of 69%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity is 69%.

How many days does it rain in October?

In Saint Clair, during October, the rain falls for 7.5 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 1.2 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in October?

In Saint Clair, the average day length in October is 10h and 59min.

When is the sunrise / sunset in October in Saint Clair?

In October, on the first day of the month, sunrise is at 7:14 am and sunset at 6:55 pm. On the last day of the month, in Saint Clair, sunrise is at 7:51 am and sunset at 6:06 pm CDT.

How long on average sun shines in October?

In Saint Clair, the average sunshine duration in October is 5.4h.

How high is the UV index in October?

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 unsafe 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
Saint Clair, MN

Average temperature in October - Saint Clair, MN
  • Average high temperature in October: 57°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in October: 41.9°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in October
Saint Clair, MN

Average pressure in October - Saint Clair, MN
  • Average pressure in October: 29.98"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in October
Saint Clair, MN

Average wind speed in October - Saint Clair, MN
  • Average wind speed in October: 9.7mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in October
Saint Clair, MN

Average humidity in October - Saint Clair, MN
  • Average humidity in October: 69%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (69%).

Average rainfall in October
Saint Clair, MN

Average rainfall in October - Saint Clair, MN
  • Average rainfall in October: 0.87"

The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in October
Saint Clair, MN

Average rainfall days in October - Saint Clair, MN
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in October
Saint Clair, MN

Average snowfall in October - Saint Clair, MN
  • Average snowfall in October: 0.2"

The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Saint Clair, MN

Average snowfall days in October - Saint Clair, MN
  • Average snowfall days in October: 1.2 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Saint Clair, MN

Average daylight in October / Average sunshine in October - Saint Clair, MN
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • 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 12min).

Average sunshine days in October
Saint Clair, MN

Average sunshine days in October - Saint Clair, MN
  • Average sunshine days in October: 21.5 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (13.6 days).

Average UV index in October
Saint Clair, MN

Average UV index in October - Saint Clair, MN
  • Average UV index in October: 2

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

Average cloud cover in October
Saint Clair, MN

Average cloud cover in October - Saint Clair, MN
  • Average cloud cover in October: 40

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in October
Saint Clair, MN

Average visibility in October - Saint Clair, MN
  • Average visibility in October: 6mi

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

Saint Clair, Minnesota, USA

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