October weather forecast
Chestnut Hill, MD

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Weather in October

October, like September, in Chestnut Hill, Maryland, is another refreshing autumn month, with an average temperature fluctuating between 50.2°F (10.1°C) and 64.8°F (18.2°C).

Temperature

Chestnut Hill's progression into October includes a drop in the average high-temperature, from a warm 76.3°F (24.6°C) in September to an enjoyable 64.8°F (18.2°C). October in Chestnut Hill generally records an average low-temperature of 50.2°F (10.1°C).

Humidity

The average relative humidity in October in Chestnut Hill is 77%.

Rainfall

In Chestnut Hill, in October, it is raining for 7.3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Chestnut Hill, there are 102.3 rainfall days, and 9.25" (235mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 7:03 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:06 pm EDT.

Sunshine

The average sunshine in October in Chestnut Hill is 5.6h.

UV index

In October, the average daily maximum UV index in Chestnut Hill is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in October translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are the temperatures in Chestnut Hill in October?

The average high-temperature, in October, in Chestnut Hill, is 64.8°F (18.2°C), while the average low-temperature is 50.2°F (10.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in October in Chestnut Hill?

In October, the average relative humidity is 77%.

How many days does it rain in October in Chestnut Hill?

In Chestnut Hill, Maryland, during October, the rain falls for 7.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Chestnut Hill?

In Chestnut Hill, Maryland, snow does not fall in May through October.

Does it snow in Chestnut Hill in October?

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

How many hours of daylight does Chestnut Hill have in October?

The average day length in October in Chestnut Hill, Maryland, is 11h and 10min.

When is the sunrise / sunset in October in Chestnut Hill?

On the first day of October in Chestnut Hill, sunrise is at 7:03 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:06 pm EDT.

How long on average sun shines in October in Chestnut Hill?

In October, the average sunshine duration in Chestnut Hill is 5.6h.

How high is the UV index in October in Chestnut Hill?

In Chestnut Hill, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from 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
Chestnut Hill, MD

Average temperature in October - Chestnut Hill, MD
  • Average high temperature in October: 64.8°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in October: 50.2°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 (25.9°F).

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Average pressure in October
Chestnut Hill, MD

Average pressure in October - Chestnut Hill, MD
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in October
Chestnut Hill, MD

Average wind speed in October - Chestnut Hill, MD
  • Average wind speed in October: 7.5mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in October
Chestnut Hill, MD

Average humidity in October - Chestnut Hill, MD
  • Average humidity in October: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in October
Chestnut Hill, MD

Average rainfall in October - Chestnut Hill, MD
  • Average rainfall in October: 0.71"

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in October
Chestnut Hill, MD

Average rainfall days in October - Chestnut Hill, MD
  • Average rainfall days in October: 7.3 days

The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).

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Average snowfall in October
Chestnut Hill, MD

Average snowfall in October - Chestnut Hill, MD
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Chestnut Hill, MD

Average snowfall days in October - Chestnut Hill, MD
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (3.8 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
Chestnut Hill, MD

Average daylight in October / Average sunshine in October - Chestnut Hill, MD
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in October
Chestnut Hill, MD

Average sunshine days in October - Chestnut Hill, MD
  • Average sunshine days in October: 21.3 days

The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).

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Average UV index in October
Chestnut Hill, MD

Average UV index in October - Chestnut Hill, MD
  • 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).

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Average cloud cover in October
Chestnut Hill, MD

Average cloud cover in October - Chestnut Hill, MD
  • Average cloud cover in October: 39

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in October
Chestnut Hill, MD

Average visibility in October - Chestnut Hill, MD
  • 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).

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Chestnut Hill, Maryland, USA

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