October weather forecast
Glen Isle, MD

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Weather in October

October, like September, in Glen Isle, Maryland, is another refreshing autumn month, with an average temperature fluctuating between 66.2°F (19°C) and 54.5°F (12.5°C).

Temperature

October's arrival comes with a decrease in the average high-temperature, moving from a warm 77°F (25°C) in September to an enjoyable 66.2°F (19°C). During October, the average low-temperature is a fresh 54.5°F (12.5°C).

Humidity

The average relative humidity in October in Glen Isle is 75%.

Rainfall

In October, in Glen Isle, Maryland, the rain falls for 8.8 days. Throughout October, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Glen Isle.

Daylight

In October, the average length of the day in Glen Isle is 11h and 10min.
On the first day of October in Glen Isle, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:06 pm EDT.

Sunshine

The average sunshine in October is 5.7h.

UV index

The average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 4 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are the temperatures in Glen Isle in October?

The high-temperature in Glen Isle, Maryland, during October is 66.2°F (19°C) and the low-temperature is 54.5°F (12.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the average humidity in October in Glen Isle?

In October, the average relative humidity in Glen Isle is 75%.

How many days does it rain in October in Glen Isle?

In October, in Glen Isle, the rain falls for 8.8 days. Throughout October, 0.87" (22mm) of precipitation is accumulated.

When it does not snow in Glen Isle?

In Glen Isle, Maryland, snow does not fall in April through October.

Does it snow in Glen Isle in October?

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

What is the average length of the day in October in Glen Isle?

In Glen Isle, Maryland, the average day length in October is 11h and 10min.

When is the sunrise / sunset in October in Glen Isle?

On the first day of October in Glen Isle, Maryland, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:06 pm EDT.

How many hours of sunshine does Glen Isle have in October?

In Glen Isle, Maryland, the average sunshine duration in October is 5.7h.

How high is the UV index in October in Glen Isle?

In Glen Isle, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Glen Isle, MD

Average temperature in October - Glen Isle, MD
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in October: 54.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in October
Glen Isle, MD

Average pressure in October - Glen Isle, MD
  • 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
Glen Isle, MD

Average wind speed in October - Glen Isle, MD
  • Average wind speed in October: 9mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in October
Glen Isle, MD

Average humidity in October - Glen Isle, MD
  • Average humidity in October: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in October
Glen Isle, MD

Average rainfall in October - Glen Isle, MD
  • Average rainfall in October: 0.87"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in October
Glen Isle, MD

Average rainfall days in October - Glen Isle, MD
  • Average rainfall days in October: 8.8 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in October
Glen Isle, MD

Average snowfall in October - Glen Isle, MD
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
Glen Isle, MD

Average snowfall days in October - Glen Isle, MD
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (2.5 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
Glen Isle, MD

Average daylight in October / Average sunshine in October - Glen Isle, 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: 5h and 0min).

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Average sunshine days in October
Glen Isle, MD

Average sunshine days in October - Glen Isle, MD
  • Average sunshine days in October: 20 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in October
Glen Isle, MD

Average UV index in October - Glen Isle, MD
  • Average UV index in October: 4

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 and December (UV index 2).

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Average cloud cover in October
Glen Isle, MD

Average cloud cover in October - Glen Isle, MD
  • Average cloud cover in October: 37

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in October
Glen Isle, MD

Average visibility in October - Glen Isle, 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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Glen Isle, Maryland, USA

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