October weather forecast
McHenry, MD

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Weather in October

October in McHenry signifies the peak of autumn, reflecting a vivid display of colors from fall foliage distinctly contrasting with the October sky. With the environment metamorphosed into a kaleidoscope of fall shades, the city takes on a new identity. As the temperatures witness a constant decline, this month facilitates ample opportunities for long treks and drives to relish the changing landscape. Halloween at the end of October typically sees chilly evenings. A dip in temperature to 59.2°F (15.1°C)chills the weather in October, skirting the onset of winter.

Temperature

McHenry's progression into October involves a drop in the average high-temperature, receding from an agreeable 72.1°F (22.3°C) in September to a moderate 59.2°F (15.1°C). Throughout October, the nighttime temperature in McHenry averages to a chilly 42.8°F (6°C).

Humidity

In McHenry, Maryland, the average relative humidity in October is 82%.

Rainfall

In McHenry, in October, it is raining for 14.1 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 166.5 rainfall days, and 30.79" (782mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in McHenry. Throughout October, in the average 2.5 snowfall days, it receives 1.89" (48mm) of snow. In McHenry, during the entire year, snow falls for 48.4 days and aggregates up to 26.69" (678mm) of snow.

Daylight

The average length of the day in October in McHenry is 11h and 9min.
On the first day of the month, sunrise is at 7:14 am and sunset at 6:59 pm. On the last day of October, sunrise is at 7:45 am and sunset at 6:16 pm EDT.

Sunshine

In McHenry, the average sunshine in October is 5.2h.

UV index

In McHenry, Maryland, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during October translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What is the average October temperature in McHenry?

The high-temperature, in October, in McHenry, records 59.2°F (15.1°C), while the low-temperature is 42.8°F (6°C).

What is the average humidity in October in McHenry?

The average relative humidity in October in McHenry is 82%.

How much does it rain in McHenry in October?

In McHenry, in October, during 14.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When does it start snowing in McHenry?

October is the first month it typically snows. Throughout October, in the average 2.5 snowfall days, it receives 1.89" (48mm) of snow.

How many hours of daylight does McHenry have in October?

In October, the average day length in McHenry, Maryland, is 11h and 9min.

What time are sunrise and sunset in October in McHenry?

In October, on the first day of the month, sunrise is at 7:14 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 6:16 pm EDT.

How long on average sun shines in October in McHenry?

The average sunshine duration in October is 5.2h.

What is the UV index intensity in October in McHenry?

In McHenry, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health threat 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
McHenry, MD

Average temperature in October - McHenry, MD
  • Average high temperature in October: 59.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in October: 42.8°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in October
McHenry, MD

Average pressure in October - McHenry, 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 (29.95"Hg).

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Average wind speed in October
McHenry, MD

Average wind speed in October - McHenry, MD
  • Average wind speed in October: 6.6mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in October
McHenry, MD

Average humidity in October - McHenry, MD
  • Average humidity in October: 82%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (79%).

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Average rainfall in October
McHenry, MD

Average rainfall in October - McHenry, MD
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.85").

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Average rainfall days in October
McHenry, MD

Average rainfall days in October - McHenry, MD
  • Average rainfall days in October: 14.1 days

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in October
McHenry, MD

Average snowfall in October - McHenry, MD
  • Average snowfall in October: 1.89"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
McHenry, MD

Average snowfall days in October - McHenry, MD
  • Average snowfall days in October: 2.5 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
McHenry, MD

Average daylight in October / Average sunshine in October - McHenry, 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 24min).

  • Average sunshine in October: 5h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in October
McHenry, MD

Average sunshine days in October - McHenry, MD
  • Average sunshine days in October: 13.6 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

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Average UV index in October
McHenry, MD

Average UV index in October - McHenry, MD
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
McHenry, MD

Average cloud cover in October - McHenry, MD
  • Average cloud cover in October: 51

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in October
McHenry, MD

Average visibility in October - McHenry, MD
  • Average visibility in October: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).

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McHenry, Maryland, USA

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