October weather forecastBrentwood, PA
October
Weather in October
October, the same as September, is another enjoyable autumn month in Brentwood, Pennsylvania, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 62.1°F (16.7°C).Temperature
The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderately hot 75.7°F (24.3°C) to a refreshing 62.1°F (16.7°C). October witnesses an average low-temperature hovering around a chilly 45.5°F (7.5°C).Humidity
In Brentwood, the average relative humidity in October is 78%.Rainfall
In Brentwood, Pennsylvania, in October, it is raining for 14.3 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 164 rainfall days, and 26.89" (683mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 53.3 snowfall days, and 13.27" (337mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 7min.On the first day of October, sunrise is at 7:17 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 6:17 pm EDT.
Sunshine
The average sunshine in October in Brentwood is 5.2h.UV index
The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in October interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Brentwood, PA
- Average high temperature in October: 62.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in October
Brentwood, 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 (29.95"Hg).
Average wind speed in October
Brentwood, PA
- Average wind speed in October: 6.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in October
Brentwood, PA
- Average humidity in October: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (73%).
Average rainfall in October
Brentwood, PA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in October
Brentwood, PA
- Average rainfall days in October: 14.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in October
Brentwood, PA
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Brentwood, PA
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (16.3 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
Brentwood, 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 18min).
- Average sunshine in October: 5h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in October
Brentwood, PA
- Average sunshine days in October: 14.4 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in October
Brentwood, PA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Brentwood, PA
- Average cloud cover in October: 48
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in October
Brentwood, PA
- Average visibility in October: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).





