October weather forecast
Williamstown, MO

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Weather in October

October, the same as September, is another comfortable autumn month in Williamstown, Missouri, with an average temperature fluctuating between 63.3°F (17.4°C) and 46°F (7.8°C).

Temperature

The arrival of October corresponds with a shift in temperature, down from a warm 77.4°F (25.2°C) in September to a refreshing 63.3°F (17.4°C). During October, Williamstown records an average temperature of 46°F (7.8°C) at night.

Humidity

October is the least humid month, with an average relative humidity of 71%.

Rainfall

In October, the rain falls for 10.1 days. Throughout October, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Williamstown, there are 134.4 rainfall days, and 27.44" (697mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Williamstown are January through April, October through December. October is the first month it typically snows in Williamstown, Missouri. Throughout October, in the average 0.4 snowfall days, it receives 0.28" (7mm) of snow. In Williamstown, during the entire year, snow falls for 24.7 days and aggregates up to 11.69" (297mm) of snow.

Daylight

In October, the average length of the day in Williamstown is 11h and 7min.
On the first day of October, sunrise is at 7:04 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:05 pm CDT.

Sunshine

In Williamstown, the average sunshine in October is 5.7h.

UV index

In Williamstown, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 3 in October leads to these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. 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 are October temperatures in Williamstown?

Williamstown in October has an average high-temperature of 63.3°F (17.4°C) and an average low-temperature of 46°F (7.8°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 89.6°F (32°C).

What is the least humid month in Williamstown?

October is the least humid month, with an average relative humidity of 71%.

What is the average humidity in October in Williamstown?

The average relative humidity in October in Williamstown, Missouri, is 71%.

How many days does it rain in October in Williamstown?

In Williamstown, during October, the rain falls for 10.1 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When does it start snowing in Williamstown?

October is the first month it typically snows in Williamstown, Missouri. Throughout October, in the average 0.4 snowfall days, it receives 0.28" (7mm) of snow.

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

The average day length in October in Williamstown is 11h and 7min.

What time are sunrise and sunset in October in Williamstown?

On the first day of October, sunrise is at 7:04 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:05 pm CDT.

How many hours of sunshine does Williamstown have in October?

The average sunshine duration in October in Williamstown is 5.7h.

What is the UV index reading in October in Williamstown?

In Williamstown, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents 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
Williamstown, MO

Average temperature in October - Williamstown, MO
  • Average high temperature in October: 63.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in October
Williamstown, MO

Average pressure in October - Williamstown, MO
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in October
Williamstown, MO

Average wind speed in October - Williamstown, MO
  • 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).

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Average humidity in October
Williamstown, MO

Average humidity in October - Williamstown, MO
  • Average humidity in October: 71%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Williamstown, MO

Average rainfall in October - Williamstown, MO
  • Average rainfall in October: 2.01"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days in October
Williamstown, MO

Average rainfall days in October - Williamstown, MO
  • Average rainfall days in October: 10.1 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall in October
Williamstown, MO

Average snowfall in October - Williamstown, MO
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Williamstown, MO

Average snowfall days in October - Williamstown, MO
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Williamstown, MO

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in October
Williamstown, MO

Average sunshine days in October - Williamstown, MO
  • Average sunshine days in October: 19.1 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in October
Williamstown, MO

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

The months with the highest UV index are 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
Williamstown, MO

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

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in October
Williamstown, MO

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

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

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Williamstown, Missouri, USA

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