October weather forecast
Lancaster, PA

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The city of Lancaster, Pennsylvania, in a stunning early morning panorama
The city of Lancaster, Pennsylvania, in a stunning early morning panorama

Weather in October

October embraces autumn in its full splendor in Lancaster. Temperatures continue their downward trend, reaching average highs of around 63.3°F (17.4°C). Being the shoulder season, October has fewer tourists, making it a peaceful time for those who wish to visit. The observance of daylight savings further reduces daylight hours. Warmer clothing is recommended as the city prepares to welcome the chillier part of the year.

Temperature

In the transition to October, Lancaster observes a drop in the average high-temperature, moving from a moderately hot 74.8°F (23.8°C) in September to an enjoyable 63.3°F (17.4°C). Throughout October, Lancaster's nights cool down to an average of 47.3°F (8.5°C).

Humidity

The average relative humidity in October in Lancaster is 80%.

Rainfall

In Lancaster, Pennsylvania, in October, during 12.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, in Lancaster, there are 153.4 rainfall days, and 28.27" (718mm) of precipitation is accumulated.

Snowfall

In Lancaster, snow does not fall in May through October.

Daylight

In Lancaster, the average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:47 pm. On the last day of October, in Lancaster, sunrise is at 7:34 am and sunset at 6:03 pm EDT.

Sunshine

In October, the average sunshine in Lancaster is 5.4h.

UV index

In Lancaster, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are October temperatures in Lancaster?

The average high-temperature and low-temperature in Lancaster, Pennsylvania, during October are 63.3°F (17.4°C) and 47.3°F (8.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in October in Lancaster?

The average relative humidity in October in Lancaster, Pennsylvania, is 80%.

How much does it rain in Lancaster in October?

In October, in Lancaster, the rain falls for 12.3 days. Throughout October, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Lancaster?

May through October are months without snowfall.

Does it snow in Lancaster in October?

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

How many hours of daylight does Lancaster have in October?

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

When are sunrise and sunset in October in Lancaster?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:47 pm. On the last day of the month, in Lancaster, sunrise is at 7:34 am and sunset at 6:03 pm EDT.

How many hours of sunshine does Lancaster have in October?

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

What is the UV index intensity in October in Lancaster?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Lancaster, PA

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

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in October
Lancaster, PA

Average pressure in October - Lancaster, 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).

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Average wind speed in October
Lancaster, PA

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

The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in October
Lancaster, PA

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

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in October
Lancaster, PA

Average rainfall in October - Lancaster, PA
  • Average rainfall in October: 2.24"

The wettest month (with the highest rainfall) is August (3.35").
The driest months (with the least rainfall) are February and September (1.89").

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Average rainfall days in October
Lancaster, PA

Average rainfall days in October - Lancaster, PA
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (8 days).

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Average snowfall in October
Lancaster, PA

Average snowfall in October - Lancaster, PA
  • Average snowfall in October: 0"

The month with the highest snowfall is March (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Lancaster, PA

Average snowfall days in October - Lancaster, PA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in October / Average sunshine in October - Lancaster, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in October
Lancaster, PA

Average sunshine days in October - Lancaster, PA
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in October
Lancaster, PA

Average UV index in October - Lancaster, PA
  • Average UV index in October: 3

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Lancaster, PA

Average cloud cover in October - Lancaster, PA
  • Average cloud cover in October: 43

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in October
Lancaster, PA

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

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

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Lancaster, Pennsylvania, USA

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