October weather forecast
Washington, MO

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Weather in October

October, like September, in Washington, Missouri, is another comfortable autumn month, with an average temperature ranging between min 48.2°F (9°C) and max 66.2°F (19°C).

Temperature

The shift from September to October corresponds with a decrease in the average high-temperature, down to an enjoyable 66.2°F (19°C) from a warm 80.1°F (26.7°C). Washington's average low-temperature is measured at a frosty 48.2°F (9°C) during October.

Humidity

October is the least humid month in Washington, with an average relative humidity of 72%.

Rainfall

In October, the rain falls for 10.1 days. Throughout October, 2.36" (60mm) of precipitation is accumulated. In Washington, during the entire year, the rain falls for 133.1 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

April through August and October are months without snowfall.

Daylight

In October, the average length of the day is 11h and 11min.
On the first day of the month, sunrise is at 7:00 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:30 am and sunset at 6:04 pm CDT.

Sunshine

In October, the average sunshine is 5.8h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

During October, Washington experiences an average high-temperature of 66.2°F (19°C) and a low-temperature of 48.2°F (9°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 100.4°F (38°C).

What is the least humid month?

With an average relative humidity of 72%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity is 72%.

How many days does it rain in October?

In Washington, in October, it is raining for 10.1 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Washington?

In Washington, snow does not fall in April through August and October.

Does it snow in October?

In October, in Washington, it doesn't snow. September is the latest month when it typically snows.

How many hours of daylight does Washington have in October?

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

When are sunrise and sunset in October in Washington?

In October, on the first day of the month, sunrise is at 7:00 am and sunset at 6:46 pm. On the last day of the month, in Washington, sunrise is at 7:30 am and sunset at 6:04 pm CDT.

How many hours of sunshine does Washington have in October?

In October, the average sunshine duration is 5.8h.

What is the UV index intensity in October?

In Washington, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Washington, MO

Average temperature in October - Washington, MO
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in October: 48.2°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average pressure in October
Washington, MO

Average pressure in October - Washington, MO
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Washington, MO

Average wind speed in October - Washington, MO
  • Average wind speed in October: 7mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in October
Washington, MO

Average humidity in October - Washington, MO
  • Average humidity in October: 72%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Washington, MO

Average rainfall in October - Washington, MO
  • Average rainfall in October: 2.36"

The wettest months (with the highest rainfall) are April and May (3.23").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in October
Washington, MO

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

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in October
Washington, MO

Average snowfall in October - Washington, MO
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in October
Washington, MO

Average snowfall days in October - Washington, MO
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 5h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in October
Washington, MO

Average sunshine days in October - Washington, MO
  • Average sunshine days in October: 19.6 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in October
Washington, MO

Average UV index in October - Washington, 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).

Average cloud cover in October
Washington, MO

Average cloud cover in October - Washington, MO
  • Average cloud cover in October: 34

The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 30).

Average visibility in October
Washington, MO

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

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

Washington, Missouri, USA

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