Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The onset of October introduces a moderate change in Saint Marys's weather, with average high-temperatures falling from September's moderately hot 77.9°F (25.5°C) to a comfortable 64.4°F (18°C). Throughout October, an average nighttime temperature of 46°F (7.8°C) is experienced in Saint Marys.Humidity
The average relative humidity in October is 78%.Rainfall
In Saint Marys, during October, the rain falls for 13.9 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Saint Marys, during the entire year, the rain falls for 177.1 days and collects up to 33.39" (848mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows in Saint Marys. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. In Saint Marys, during the entire year, snow falls for 47.1 days and aggregates up to 17.99" (457mm) of snow.Daylight
The average length of the day in October is 11h and 9min.On the first day of October in Saint Marys, sunrise is at 7:21 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:24 pm EDT.
Sunshine
The average sunshine in October is 5.9h.UV index
In Saint Marys, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in October translates into these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Marys in October?
What is the average humidity in October in Saint Marys?
How much does it rain in Saint Marys in October?
When does it start snowing in Saint Marys?
What is the average length of the day in October in Saint Marys?
When is the sunrise / sunset in October in Saint Marys?
How many hours of sunshine does Saint Marys have in October?
What is the UV index intensity in October in Saint Marys?
Average temperature in October
Saint Marys, WV
- Average high temperature in October: 64.4°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in October: 46°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in October
Saint Marys, WV
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in October
Saint Marys, WV
- Average wind speed in October: 5.4mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in October
Saint Marys, WV
- Average humidity in October: 78%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in October
Saint Marys, WV
- Average rainfall in October: 2.36"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in October
Saint Marys, WV
- Average rainfall days in October: 13.9 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in October
Saint Marys, WV
- Average snowfall in October: 0.2"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Saint Marys, WV
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (14 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 Marys, WV
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in October
Saint Marys, WV
- Average sunshine days in October: 15.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in October
Saint Marys, WV
- 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
Saint Marys, WV
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in October
Saint Marys, WV
- Average visibility in October: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Saint Marys, West Virginia, USA
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