October weather forecast
Chatham, PA

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Weather in October

October, like September, in Chatham, Pennsylvania, is another comfortable autumn month, with an average temperature fluctuating between 63.5°F (17.5°C) and 48.9°F (9.4°C).

Temperature

The transition into October indicates a reduction in the average high-temperature, down to an enjoyable 63.5°F (17.5°C) from September's warm 75°F (23.9°C). October generally records an average low-temperature of 48.9°F (9.4°C).

Humidity

February, May, September, October and December, with an average relative humidity of 79%, are the most humid months in Chatham.

Rainfall

In Chatham, in October, it is raining for 9.3 days, with typically 0.98" (25mm) of accumulated precipitation. In Chatham, during the entire year, the rain falls for 126.3 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

In Chatham, snow does not fall in June through October.

Daylight

The average length of the day in October is 11h and 8min.
On the first day of October, sunrise is at 7:00 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:01 pm EDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In October, a daily UV index of 3 turns into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the temperature in October?

The high-temperature during October is 63.5°F (17.5°C) and the low-temperature is 48.9°F (9.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the most humid month?

The months with the highest humidity are February, May, September, October and December, with an average relative humidity of 79%.

What is the average humidity in October?

In October, the average relative humidity is 79%.

How many days does it rain in October?

In Chatham, in October, it is raining for 9.3 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow?

In Chatham, snow does not fall in June through October.

Does it snow in October?

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

How many hours of daylight does Chatham have in October?

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

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:00 am and sunset at 6:45 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 October, the average sunshine duration in Chatham is 5.5h.

How high is the UV index in October?

In Chatham, 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
Chatham, PA

Average temperature in October - Chatham, PA
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in October: 48.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in October
Chatham, PA

Average pressure in October - Chatham, 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
Chatham, PA

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

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in October
Chatham, PA

Average humidity in October - Chatham, PA
  • Average humidity in October: 79%

The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).

Average rainfall in October
Chatham, PA

Average rainfall in October - Chatham, PA
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").

Average rainfall days in October
Chatham, PA

Average rainfall days in October - Chatham, PA
  • Average rainfall days in October: 9.3 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in October
Chatham, PA

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

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Chatham, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Chatham, 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 3min

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 48min).

Average sunshine days in October
Chatham, PA

Average sunshine days in October - Chatham, PA
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in October
Chatham, PA

Average UV index in October - Chatham, 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
Chatham, PA

Average cloud cover in October - Chatham, PA
  • Average cloud cover in October: 40

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 30).

Average visibility in October
Chatham, PA

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

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

Chatham, Pennsylvania, USA

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