October weather forecast
Upper Darby, PA

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Weather in October

October, the same as September, is another refreshing autumn month in Upper Darby, Pennsylvania, with an average temperature fluctuating between 50.9°F (10.5°C) and 65.1°F (18.4°C).

Temperature

Onset of October comes with a temperature decline, the average high falling from a moderately hot 76.6°F (24.8°C) in September to a comfortable 65.1°F (18.4°C). Upper Darby, in October, observes a steady average low-temperature of 50.9°F (10.5°C).

Humidity

February, October and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Upper Darby, in October, during 11.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Upper Darby, during the entire year, the rain falls for 142 days and collects up to 24.41" (620mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Upper Darby, the average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:29 am and sunset at 5:59 pm EDT.

Sunshine

In Upper Darby, the average sunshine in October is 5.7h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In October, a regular UV index of 3 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Upper Darby in October?

The high-temperature, in October, in Upper Darby, is 65.1°F (18.4°C), while the low-temperature averages to 50.9°F (10.5°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the most humid month in Upper Darby?

February, October and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in October?

In Upper Darby, the average relative humidity in October is 77%.

How many days does it rain in October?

In Upper Darby, during October, the rain falls for 11.5 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow?

In Upper Darby, snow does not fall in May through October.

Does it snow in October?

In Upper Darby, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October?

In Upper Darby, the average day length in October is 11h and 8min.

What time are sunrise and sunset in October?

In October, on the first day of the month, 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 5:59 pm EDT.

How long on average sun shines in October in Upper Darby?

In Upper Darby, the average sunshine duration in October is 5.7h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Upper Darby, PA

Average temperature in October - Upper Darby, PA
  • Average high temperature in October: 65.1°F

The warmest month (with the highest average high temperature) is July (86°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 (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in October
Upper Darby, PA

Average pressure in October - Upper Darby, 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
Upper Darby, PA

Average wind speed in October - Upper Darby, PA
  • Average wind speed in October: 7.2mph

The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in October
Upper Darby, PA

Average humidity in October - Upper Darby, 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
Upper Darby, PA

Average rainfall in October - Upper Darby, PA
  • Average rainfall in October: 1.85"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in October
Upper Darby, PA

Average rainfall days in October - Upper Darby, PA
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in October
Upper Darby, PA

Average snowfall in October - Upper Darby, PA
  • Average snowfall in October: 0"

The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Upper Darby, PA

Average snowfall days in October - Upper Darby, PA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (3.3 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
Upper Darby, PA

Average daylight in October / Average sunshine in October - Upper Darby, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in October
Upper Darby, PA

Average sunshine days in October - Upper Darby, PA
  • Average sunshine days in October: 17.9 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in October
Upper Darby, PA

Average UV index in October - Upper Darby, 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
Upper Darby, PA

Average cloud cover in October - Upper Darby, 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
Upper Darby, PA

Average visibility in October - Upper Darby, 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).

Upper Darby, Pennsylvania, USA

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