October weather forecast
Saint Marys, PA

Share

Weather in October

October, the same as September, in Saint Marys, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 57.4°F (14.1°C).

Temperature

As October commences, the average high-temperature shows a reduction, transitioning from an agreeable 70.3°F (21.3°C) in September to a refreshing 57.4°F (14.1°C). Saint Marys's nighttime temperature in October drops to an average of 41.9°F (5.5°C).

Humidity

The average relative humidity in October in Saint Marys is 84%.

Rainfall

In Saint Marys, during October, the rain falls for 10.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Saint Marys, there are 118.9 rainfall days, and 13.31" (338mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Saint Marys. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow. In Saint Marys, during the entire year, snow falls for 52.7 days and aggregates up to 16.14" (410mm) of snow.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of October in Saint Marys, sunrise is at 7:11 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 6:10 pm EDT.

Sunshine

The average sunshine in October in Saint Marys is 4.5h.

UV index

In Saint Marys, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in October transforms into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
[Resources]

Frequently asked questions

What is the average October temperature in Saint Marys?

The high-temperature, in October, in Saint Marys, is 57.4°F (14.1°C), while the low-temperature averages to 41.9°F (5.5°C).

What is the average humidity in October in Saint Marys?

The average relative humidity in October in Saint Marys is 84%.

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

In Saint Marys, during October, the rain falls for 10.4 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When does it start snowing in Saint Marys?

October is the first month it typically snows in Saint Marys, Pennsylvania. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow.

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

The average day length in October in Saint Marys is 11h and 5min.

What time are sunrise and sunset in October in Saint Marys?

On the first day of October in Saint Marys, sunrise is at 7:11 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 6:10 pm EDT.

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

In Saint Marys, the average sunshine duration in October is 4.5h.

What is the UV index reading in October in Saint Marys?

In Saint Marys, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
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
Saint Marys, PA

Average temperature in October - Saint Marys, PA
  • Average high temperature in October: 57.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 41.9°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

[Resources]

Average pressure in October
Saint Marys, PA

Average pressure in October - Saint Marys, PA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in October
Saint Marys, PA

Average wind speed in October - Saint Marys, PA
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

[Resources]

Average humidity in October
Saint Marys, PA

Average humidity in October - Saint Marys, PA
  • Average humidity in October: 84%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are June and July (78%).

[Resources]

Average rainfall in October
Saint Marys, PA

Average rainfall in October - Saint Marys, PA
  • Average rainfall in October: 1.26"

The wettest month (with the highest rainfall) is April (1.5").
The driest months (with the least rainfall) are January and November (0.83").

[Resources]

Average rainfall days in October
Saint Marys, PA

Average rainfall days in October - Saint Marys, PA
  • Average rainfall days in October: 10.4 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.1 days).

[Resources]

Average snowfall in October
Saint Marys, PA

Average snowfall in October - Saint Marys, PA
  • Average snowfall in October: 0.31"

The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in October
Saint Marys, PA

Average snowfall days in October - Saint Marys, PA
  • Average snowfall days in October: 1.5 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Saint Marys, PA

Average daylight in October / Average sunshine in October - Saint Marys, PA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 4h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

[Resources]

Average sunshine days in October
Saint Marys, PA

Average sunshine days in October - Saint Marys, PA
  • Average sunshine days in October: 17.6 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (13 days).

[Resources]

Average UV index in October
Saint Marys, PA

Average UV index in October - Saint Marys, PA
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in October
Saint Marys, PA

Average cloud cover in October - Saint Marys, PA
  • Average cloud cover in October: 57

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 42).

[Resources]

Average visibility in October
Saint Marys, PA

Average visibility in October - Saint Marys, PA
  • Average visibility in October: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).

[Resources]

Saint Marys, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location