October weather forecast
Saint Ann, MO

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Weather in October

October, the same as September, is another refreshing autumn month in Saint Ann, Missouri, with an average temperature fluctuating between 49.5°F (9.7°C) and 66°F (18.9°C).

Temperature

October comes with a drop in the average high-temperature, falling from September's warm 79.7°F (26.5°C) to a refreshing 66°F (18.9°C). In October, Saint Ann experiences a temperature dip to an average of 49.5°F (9.7°C) at night.

Humidity

October is the least humid month in Saint Ann, with an average relative humidity of 70%.

Rainfall

In October, in Saint Ann, Missouri, the rain falls for 10.3 days. Throughout October, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Saint Ann, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

In Saint Ann, snow does not fall in April through October.

Daylight

The average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:28 am and sunset at 6:02 pm CDT.

Sunshine

In October, the average sunshine in Saint Ann, Missouri, is 6.2h.

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 the average person.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Saint Ann?

The average high-temperature and low-temperature in Saint Ann, Missouri, during October are 66°F (18.9°C) and 49.5°F (9.7°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the least humid month in Saint Ann?

October is the least humid month in Saint Ann, with an average relative humidity of 70%.

What is the average humidity in October in Saint Ann?

In October, the average relative humidity in Saint Ann, Missouri, is 70%.

How many days does it rain in October in Saint Ann?

In October, in Saint Ann, Missouri, the rain falls for 10.3 days. Throughout October, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Saint Ann?

In Saint Ann, Missouri, snow does not fall in April through October.

Does it snow in Saint Ann in October?

In Saint Ann, Missouri, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Saint Ann have in October?

In Saint Ann, Missouri, the average day length in October is 11h and 10min.

When are sunrise and sunset in October in Saint Ann?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, in Saint Ann, sunrise is at 7:28 am and sunset at 6:02 pm CDT.

How long on average sun shines in October in Saint Ann?

The average sunshine duration in October in Saint Ann is 6.2h.

What is the UV index intensity in October in Saint Ann?

In Saint Ann, Missouri, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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 Ann, MO

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

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in October: 49.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in October
Saint Ann, MO

Average pressure in October - Saint Ann, 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
Saint Ann, MO

Average wind speed in October - Saint Ann, MO
  • Average wind speed in October: 7.9mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in October
Saint Ann, MO

Average humidity in October - Saint Ann, MO
  • Average humidity in October: 70%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Saint Ann, MO

Average rainfall in October - Saint Ann, MO
  • Average rainfall in October: 2.24"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in October
Saint Ann, MO

Average rainfall days in October - Saint Ann, MO
  • Average rainfall days in October: 10.3 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).

Average snowfall in October
Saint Ann, MO

Average snowfall in October - Saint Ann, MO
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Saint Ann, MO

Average snowfall days in October - Saint Ann, MO
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Saint Ann, MO

Average daylight in October / Average sunshine in October - Saint Ann, 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: 6h and 1min

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

Average sunshine days in October
Saint Ann, MO

Average sunshine days in October - Saint Ann, MO
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in October
Saint Ann, MO

Average UV index in October - Saint Ann, 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 and December (UV index 2).

Average cloud cover in October
Saint Ann, MO

Average cloud cover in October - Saint Ann, MO
  • Average cloud cover in October: 32

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October
Saint Ann, MO

Average visibility in October - Saint Ann, 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).

Saint Ann, Missouri, USA

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