October weather forecast
South River Heights, MD

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Weather in October

October, like September, in South River Heights, Maryland, is another comfortable autumn month, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 54.5°F (12.5°C).

Temperature

South River Heights observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 77°F (25°C) to a refreshing 66.2°F (19°C). October brings with it a nighttime average temperature of 54.5°F (12.5°C).

Humidity

The average relative humidity in October in South River Heights is 75%.

Rainfall

In South River Heights, Maryland, in October, during 8.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In South River Heights, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall in South River Heights.

Daylight

In October, the average length of the day in South River Heights, Maryland, is 11h and 10min.
On the first day of October in South River Heights, 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

In October, the average daily maximum UV index in South River Heights is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in October converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for South River Heights in October?

In South River Heights, 66.2°F (19°C) is the average high-temperature and 54.5°F (12.5°C) is the average low-temperature during October. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the average humidity in October in South River Heights?

In South River Heights, Maryland, the average relative humidity in October is 75%.

How much does it rain in South River Heights in October?

In South River Heights, in October, during 8.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow in South River Heights?

April through October are months without snowfall.

Does it snow in South River Heights in October?

In South River Heights, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in South River Heights?

The average day length in October is 11h and 10min.

What time are sunrise and sunset in October in South River Heights?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of the month, in South River Heights, sunrise is at 7:33 am and sunset at 6:06 pm EDT.

How long on average sun shines in October in South River Heights?

In South River Heights, Maryland, the average sunshine duration in October is 5.7h.

How high is the UV index in October in South River Heights?

In October, the average daily maximum UV index is 4. A UV Index 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
South River Heights, MD

Average temperature in October - South River Heights, 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
South River Heights, MD

Average pressure in October - South River Heights, 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
South River Heights, MD

Average wind speed in October - South River Heights, 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
South River Heights, MD

Average humidity in October - South River Heights, 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
South River Heights, MD

Average rainfall in October - South River Heights, 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
South River Heights, MD

Average rainfall days in October - South River Heights, 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
South River Heights, MD

Average snowfall in October - South River Heights, 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
South River Heights, MD

Average snowfall days in October - South River Heights, 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
South River Heights, MD

Average daylight in October / Average sunshine in October - South River Heights, 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
South River Heights, MD

Average sunshine days in October - South River Heights, 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
South River Heights, MD

Average UV index in October - South River Heights, 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
South River Heights, MD

Average cloud cover in October - South River Heights, 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
South River Heights, MD

Average visibility in October - South River Heights, 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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South River Heights, Maryland, USA

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