October weather forecastSaint Peters, PA
October
Weather in October
October, like September, in Saint Peters, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between max 63°F (17.2°C) and min 46.9°F (8.3°C).Temperature
During the transition into October, Saint Peters observes a decrease in the average high-temperature, falling from a warm 75°F (23.9°C) in September to a comfortable 63°F (17.2°C). During October, Saint Peters records an average temperature of 46.9°F (8.3°C) at night.Humidity
The months with the highest humidity are February and October, with an average relative humidity of 81%.Rainfall
In Saint Peters, in October, during 13.1 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 162.2 rainfall days, and 27.87" (708mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Saint Peters, during the entire year, snow falls for 22.9 days and aggregates up to 10.35" (263mm) of snow.Daylight
In October, the average length of the day is 11h and 8min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:01 pm EDT.
Sunshine
In October, the average sunshine is 5.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Saint Peters, PA
- Average high temperature in October: 63°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in October: 46.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in October
Saint Peters, PA
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Saint Peters, PA
- Average wind speed in October: 6.7mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in October
Saint Peters, PA
- Average humidity in October: 81%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Saint Peters, PA
- Average rainfall in October: 2.4"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in October
Saint Peters, PA
- Average rainfall days in October: 13.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in October
Saint Peters, PA
- Average snowfall in October: 0.04"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Saint Peters, PA
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Saint Peters, PA
- Average daylight in October: 11h and 6min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Saint Peters, PA
- Average sunshine days in October: 15.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in October
Saint Peters, PA
- Average UV index in October: 3
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Saint Peters, PA
- Average cloud cover in October: 42
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in October
Saint Peters, PA
- Average visibility in October: 5mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
