October weather forecast
East Riverdale, MD

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Weather in October

October, like September, in East Riverdale, Maryland, is another refreshing autumn month, with an average temperature fluctuating between 66.2°F (19°C) and 51.8°F (11°C).

Temperature

The onset of October results in a decrease in the average high-temperature, receding from a warm 78.1°F (25.6°C) in September to a comfortable 66.2°F (19°C). East Riverdale records a steady low-temperature average of 51.8°F (11°C) during October.

Humidity

May, October and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In October, the rain falls for 11.8 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

May through November are months without snowfall.

Daylight

In East Riverdale, the average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 7:04 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:07 pm EDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 4 during October morphs into the following directions:
Be vigilant - Preventing sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the average October temperature?

In October, in East Riverdale, the average high-temperature is 66.2°F (19°C), and the average low-temperature is 51.8°F (11°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 93.2°F (34°C).

What is the most humid month?

May, October and December, with an average relative humidity of 76%, are most humid months.

What is the average humidity in October in East Riverdale?

The average relative humidity in October is 76%.

How many days does it rain in October?

In East Riverdale, during October, the rain falls for 11.8 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow in East Riverdale?

May through November are months without snowfall.

What is the average length of the day in October?

In October, the average day length is 11h and 10min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:04 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:07 pm EDT.

How long on average sun shines in October?

In October, the average sunshine duration is 5.6h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
East Riverdale, MD

Average temperature in October - East Riverdale, MD
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in October: 51.8°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in October
East Riverdale, MD

Average pressure in October - East Riverdale, 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).

Average wind speed in October
East Riverdale, MD

Average wind speed in October - East Riverdale, MD
  • Average wind speed in October: 6.9mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in October
East Riverdale, MD

Average humidity in October - East Riverdale, MD
  • Average humidity in October: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in October
East Riverdale, MD

Average rainfall in October - East Riverdale, MD
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in October
East Riverdale, MD

Average rainfall days in October - East Riverdale, MD
  • Average rainfall days in October: 11.8 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in October
East Riverdale, MD

Average snowfall in October - East Riverdale, MD
  • Average snowfall in October: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in October
East Riverdale, MD

Average snowfall days in October - East Riverdale, MD
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
East Riverdale, MD

Average daylight in October / Average sunshine in October - East Riverdale, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in October
East Riverdale, MD

Average sunshine days in October - East Riverdale, MD
  • Average sunshine days in October: 17.4 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in October
East Riverdale, MD

Average UV index in October - East Riverdale, 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 and December (UV index 2).

Average cloud cover in October
East Riverdale, MD

Average cloud cover in October - East Riverdale, MD
  • Average cloud cover in October: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in October
East Riverdale, MD

Average visibility in October - East Riverdale, 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).

East Riverdale, Maryland, USA

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