October weather forecastBryn Mawr, PA
October
Weather in October
October, like September, in Bryn Mawr, Pennsylvania, is another enjoyable autumn month, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 50°F (10°C).Temperature
As September transitions to October, the average high-temperature falls from a moderately hot 76.5°F (24.7°C) to an enjoyable 64.2°F (17.9°C). Throughout October, the temperature tends to fall to a consistent average low of 50°F (10°C).Humidity
The months with the highest humidity are February and October, with an average relative humidity of 78%.Rainfall
In Bryn Mawr, in October, it is raining for 8.3 days, with typically 0.63" (16mm) of accumulated precipitation. In Bryn Mawr, Pennsylvania, during the entire year, the rain falls for 111.8 days and collects up to 9.69" (246mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in October is 11h and 8min.On the first day of October, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:59 pm EDT.
Sunshine
In October, the average sunshine is 5.5h.UV index
The average daily maximum UV index in October in Bryn Mawr is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 3 in October transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Bryn Mawr, PA
- Average high temperature in October: 64.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in October: 50°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 (25°F).
Average pressure in October
Bryn Mawr, 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).
Average wind speed in October
Bryn Mawr, PA
- Average wind speed in October: 7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in October
Bryn Mawr, PA
- Average humidity in October: 78%
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in October
Bryn Mawr, PA
- Average rainfall in October: 0.63"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Bryn Mawr, PA
- Average rainfall days in October: 8.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in October
Bryn Mawr, PA
- Average snowfall in October: 0"
The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Bryn Mawr, PA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Bryn Mawr, 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 36min).
Average sunshine days in October
Bryn Mawr, PA
- Average sunshine days in October: 20.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in October
Bryn Mawr, PA
- 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, November and December (UV index 2).
Average cloud cover in October
Bryn Mawr, PA
- Average cloud cover in October: 43
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in October
Bryn Mawr, PA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
