October weather forecast
Derwood, MD

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Weather in October

October, the same as September, is another refreshing autumn month in Derwood, Maryland, with an average temperature varying between 65.3°F (18.5°C) and 49.3°F (9.6°C).

Temperature

October implies a gentle temperature shift, with average high-temperatures reducing from September's warm 77.7°F (25.4°C) to an enjoyable 65.3°F (18.5°C). Derwood experiences an average low-temperature reading of 49.3°F (9.6°C) throughout October.

Humidity

The months with the highest humidity are May, October and December, with an average relative humidity of 77%.

Rainfall

In Derwood, during October, the rain falls for 11.3 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Derwood, Maryland, during the entire year, the rain falls for 154.8 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In October, the average length of the day is 11h and 10min.
On the first day of October in Derwood, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:08 pm EDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

In Derwood, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 in October translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

The average high-temperature and low-temperature during October are 65.3°F (18.5°C) and 49.3°F (9.6°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 93.2°F (34°C).

What are the most humid months?

May, October and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in October in Derwood?

In October, the average relative humidity is 77%.

How many days does it rain in October in Derwood?

In Derwood, Maryland, during October, the rain falls for 11.3 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow?

In Derwood, snow does not fall in June through October.

Does it snow in October?

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

How many hours of daylight does Derwood have in October?

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

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:08 pm EDT.

How many hours of sunshine does Derwood have in October?

In October, the average sunshine duration is 5.6h.

How high is the UV index in October?

In Derwood, Maryland, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Derwood, MD

Average temperature in October - Derwood, MD
  • Average high temperature in October: 65.3°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in October
Derwood, MD

Average pressure in October - Derwood, 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).

Average wind speed in October
Derwood, MD

Average wind speed in October - Derwood, MD
  • Average wind speed in October: 6.5mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in October
Derwood, MD

Average humidity in October - Derwood, MD
  • Average humidity in October: 77%

The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).

Average rainfall in October
Derwood, MD

Average rainfall in October - Derwood, MD
  • Average rainfall in October: 2.17"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days in October
Derwood, MD

Average rainfall days in October - Derwood, MD
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in October
Derwood, MD

Average snowfall in October - Derwood, MD
  • Average snowfall in October: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Derwood, MD

Average snowfall days in October - Derwood, MD
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in October / Average sunshine in October - Derwood, 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 months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in October
Derwood, MD

Average sunshine days in October - Derwood, MD
  • Average sunshine days in October: 17.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in October
Derwood, MD

Average UV index in October - Derwood, 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).

Average cloud cover in October
Derwood, MD

Average cloud cover in October - Derwood, MD
  • Average cloud cover in October: 39

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in October
Derwood, MD

Average visibility in October - Derwood, MD
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Derwood, Maryland, USA

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