October weather forecastChester, PA
October
Weather in October
October brings a crisp chill to Chester as autumn sets in firmly. The trees are in their full fall glory, offering an exquisite view of the colorful canopy. Rainfall and temperatures continue to drop from September, but even with the cooler conditions, the city remains visually stunning. It is a picturesque period, making it a favorite month for many locals and visitors.Temperature
As September transitions into October, Chester sees a drop in the average high-temperature, transitioning from a moderately hot 76.6°F (24.8°C) to a comfortable 64.9°F (18.3°C). Chester, in October, observes a steady average low-temperature of 50.7°F (10.4°C).Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 77%.Rainfall
In Chester, during October, the rain falls for 11.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Chester, Pennsylvania, during the entire year, the rain falls for 148.4 days and collects up to 25.94" (659mm) of precipitation.Snowfall
In Chester, snow does not fall in June through October.Daylight
In Chester, 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 7:29 am and sunset at 6:00 pm EDT.
Sunshine
The average sunshine in October in Chester is 5.7h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Chester, PA
- Average high temperature in October: 64.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in October: 50.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in October
Chester, 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
Chester, PA
- Average wind speed in October: 7.2mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in October
Chester, PA
- Average humidity in October: 77%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in October
Chester, PA
- Average rainfall in October: 1.97"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in October
Chester, PA
- Average rainfall days in October: 11.7 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in October
Chester, PA
- Average snowfall in October: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Chester, PA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Chester, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in October
Chester, PA
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in October
Chester, 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
Chester, PA
- Average cloud cover in October: 40
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Chester, PA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
