October weather forecast
Downingtown, PA

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Weather in October

In October, Downingtown experiences the peak of fall with a magnificent display of color in the city's parks. The weather takes a cooler turn, signifying the transition from summer to fall. As the month progresses, the daylight hours decrease, indicating shorter days and longer nights. The charm of autumn reigns supreme as the city prepares for November's significant drop in temperature.

Temperature

October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 75°F (23.9°C) to an enjoyable 63.3°F (17.4°C). Downingtown's average low-temperature in October is measured at a frosty 47.7°F (8.7°C).

Humidity

The months with the highest humidity are February, May and October, with an average relative humidity of 80%.

Rainfall

In Downingtown, in October, it is raining for 11.6 days, with typically 2.2" (56mm) of accumulated precipitation. In Downingtown, during the entire year, the rain falls for 145.6 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 17.2 snowfall days, and 10.47" (266mm) of snow is accumulated.

Daylight

In Downingtown, the average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:01 pm EDT.

Sunshine

In October, the average sunshine is 5.4h.

UV index

In Downingtown, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 3 during October morphs into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in October?

In October, the average high-temperature and low-temperature are 63.3°F (17.4°C) and 47.7°F (8.7°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What are the most humid months?

February, May and October, with an average relative humidity of 80%, are most humid months in Downingtown.

What is the average humidity in October?

In Downingtown, the average relative humidity in October is 80%.

How many days does it rain in October?

In Downingtown, in October, it is raining for 11.6 days, with typically 2.2" (56mm) of accumulated precipitation.

When does it start to snow in Downingtown?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October?

The average day length in October is 11h and 8min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:01 pm EDT.

How long on average sun shines in October?

In Downingtown, the average sunshine duration in October is 5.4h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Downingtown, PA

Average temperature in October - Downingtown, PA
  • Average high temperature in October: 63.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in October: 47.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in October
Downingtown, PA

Average pressure in October - Downingtown, 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 (29.94"Hg).

Average wind speed in October
Downingtown, PA

Average wind speed in October - Downingtown, PA
  • Average wind speed in October: 7mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in October
Downingtown, PA

Average humidity in October - Downingtown, PA
  • Average humidity in October: 80%

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in October
Downingtown, PA

Average rainfall in October - Downingtown, PA
  • Average rainfall in October: 2.2"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in October
Downingtown, PA

Average rainfall days in October - Downingtown, PA
  • Average rainfall days in October: 11.6 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in October
Downingtown, PA

Average snowfall in October - Downingtown, PA
  • Average snowfall in October: 0.04"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Downingtown, PA

Average snowfall days in October - Downingtown, PA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Downingtown, PA

Average daylight in October / Average sunshine in October - Downingtown, 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 2min

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
Downingtown, PA

Average sunshine days in October - Downingtown, PA
  • Average sunshine days in October: 17.2 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in October
Downingtown, PA

Average UV index in October - Downingtown, 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, March, November and December (UV index 2).

Average cloud cover in October
Downingtown, PA

Average cloud cover in October - Downingtown, PA
  • Average cloud cover in October: 42

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
Downingtown, PA

Average visibility in October - Downingtown, PA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Downingtown, Pennsylvania, USA

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