October weather forecast
Salem, MO

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Weather in October

October, like September, in Salem, Missouri, is another refreshing autumn month, with an average temperature fluctuating between 66°F (18.9°C) and 47.7°F (8.7°C).

Temperature

The start of October involves a temperature drop, moving from a moderately hot 79.7°F (26.5°C) in September to a refreshing 66°F (18.9°C). The nighttime temperature, during October, averages of 47.7°F (8.7°C).

Humidity

With an average relative humidity of 74%, October is the least humid month.

Rainfall

In Salem, Missouri, during October, the rain falls for 10.3 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Salem, during the entire year, the rain falls for 151.7 days and collects up to 33.98" (863mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Salem. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Salem, Missouri, there are 24 snowfall days, and 10.98" (279mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 13min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of October, in Salem, sunrise is at 7:31 am and sunset at 6:08 pm CDT.

Sunshine

The average sunshine in October is 5.8h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the average October temperature in Salem?

During October, Salem experiences an average high-temperature of 66°F (18.9°C) and a low-temperature of 47.7°F (8.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is calculated to be 98.6°F (37°C).

What is the least humid month in Salem?

With an average relative humidity of 74%, October is the least humid month in Salem, Missouri.

What is the average humidity in October in Salem?

In Salem, the average relative humidity in October is 74%.

How many days does it rain in October in Salem?

In Salem, Missouri, in October, during 10.3 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it start snowing in Salem?

October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Salem have in October?

The average day length in October in Salem, Missouri, is 11h and 13min.

When is the sunrise / sunset in October in Salem?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:08 pm CDT.

How long on average sun shines in October in Salem?

The average sunshine duration in October in Salem, Missouri, is 5.8h.

What is the UV index reading in October in Salem?

In Salem, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Salem, MO

Average temperature in October - Salem, MO
  • Average high temperature in October: 66°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in October: 47.7°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in October
Salem, MO

Average pressure in October - Salem, MO
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Salem, MO

Average wind speed in October - Salem, MO
  • Average wind speed in October: 6.9mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in October
Salem, MO

Average humidity in October - Salem, MO
  • Average humidity in October: 74%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in October
Salem, MO

Average rainfall in October - Salem, MO
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in October
Salem, MO

Average rainfall days in October - Salem, MO
  • Average rainfall days in October: 10.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in October
Salem, MO

Average snowfall in October - Salem, MO
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Salem, MO

Average snowfall days in October - Salem, MO
  • Average snowfall days in October: 0.2 days

The months with the highest number of snowfall days are January and February (6.8 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
Salem, MO

Average daylight in October / Average sunshine in October - Salem, MO
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in October
Salem, MO

Average sunshine days in October - Salem, MO
  • Average sunshine days in October: 18.9 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in October
Salem, MO

Average UV index in October - Salem, MO
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Salem, MO

Average cloud cover in October - Salem, MO
  • Average cloud cover in October: 35

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in October
Salem, MO

Average visibility in October - Salem, MO
  • Average visibility in October: 6mi

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

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Salem, Missouri, USA

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