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 sea temperature 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
During the transition into October, Philadelphia observes a decrease in the average high-temperature, falling from a moderately hot 76.6°F (24.8°C) in September to a refreshing 65.1°F (18.4°C). Philadelphia's average low-temperature during October nights is observed to be a fresh 50.9°F (10.5°C).Humidity
October is the most humid month, with an average relative humidity of 77%.Rainfall
In Philadelphia, during October, the rain falls for 9 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Philadelphia, during the entire year, the rain falls for 127.8 days and collects up to 13.82" (351mm) of precipitation.Snowfall
In Philadelphia, snow does not fall in June through October.Ocean temperature
In October, the average ocean temperature is 64.2°F (17.9°C).Note: When the surface water temperature is 64.2°F (17.9°C), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 69.8°F (21°C).
Daylight
In October, the average length of the day in Philadelphia is 11h and 8min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:29 am and sunset at 5:59 pm EDT.
Sunshine
In Philadelphia, the average sunshine in October is 5.6h.UV index
The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in October interprets into the following advice:
Act with care - The need to guard against sun damage is communicated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the most humid month?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
How cold is the water in October?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How many hours of sunshine does Philadelphia have in October?
What is the UV index intensity in October in Philadelphia?
Average temperature in October
Philadelphia, PA
- Average high temperature in October: 65.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in October: 50.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in October
Philadelphia, 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
Philadelphia, PA
- Average wind speed in October: 7.1mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in October
Philadelphia, PA
- Average humidity in October: 77%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in October
Philadelphia, PA
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in October
Philadelphia, PA
- Average rainfall days in October: 9 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in October
Philadelphia, PA
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Philadelphia, PA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in October
Philadelphia, PA
- Average sea temperature in October: 64.2°F
The best month for swimming (with the highest average sea temperature) is August (75.9°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in October /
Average sunshine in October
Philadelphia, PA
- Average daylight in October: 11h and 1min
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 4min
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 48min).
Average sunshine days in October
Philadelphia, PA
- Average sunshine days in October: 19.7 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in October
Philadelphia, PA
- Average UV index in October: 4
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
Philadelphia, PA
- Average cloud cover in October: 41
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in October
Philadelphia, 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).
Philadelphia, Pennsylvania, USA
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