October weather forecast
Twin Knolls, MD

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Weather in October

October, like September, in Twin Knolls, Maryland, is another refreshing autumn month, with an average temperature varying between 64.2°F (17.9°C) and 48.4°F (9.1°C).

Temperature

As October begins, there is a decrease in the average high-temperature, falling from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 64.2°F (17.9°C). In the month of October, Twin Knolls experiences an average low-temperature of 48.4°F (9.1°C).

Humidity

The average relative humidity in October in Twin Knolls is 78%.

Rainfall

In Twin Knolls, during October, the rain falls for 12.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Twin Knolls, during the entire year, snow falls for 21.2 days and aggregates up to 10.55" (268mm) of snow.

Daylight

In October, the average length of the day is 11h and 9min.
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, in Twin Knolls, Maryland, sunrise is at 7:35 am and sunset at 6:06 pm EDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

In Twin Knolls, Maryland, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

What are the temperatures in October?

Twin Knolls in October has an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 48.4°F (9.1°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 89.6°F (32°C).

What is the average humidity in October?

In October, the average relative humidity is 78%.

How much does it rain in October?

In Twin Knolls, in October, it is raining for 12.8 days, with typically 2.68" (68mm) of accumulated precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October?

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

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:04 am and sunset at 6:49 pm. On the last day of the month, in Twin Knolls, sunrise is at 7:35 am and sunset at 6:06 pm EDT.

How long on average sun shines in October?

In Twin Knolls, the average sunshine duration in October is 5.5h.

How high is the UV index in October?

In Twin Knolls, the average daily maximum UV index in October is 3. A UV Index value 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
Twin Knolls, MD

Average temperature in October - Twin Knolls, MD
  • Average high temperature in October: 64.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in October: 48.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in October
Twin Knolls, MD

Average pressure in October - Twin Knolls, 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
Twin Knolls, MD

Average wind speed in October - Twin Knolls, MD
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in October
Twin Knolls, MD

Average humidity in October - Twin Knolls, MD
  • Average humidity in October: 78%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).

Average rainfall in October
Twin Knolls, MD

Average rainfall in October - Twin Knolls, MD
  • Average rainfall in October: 2.68"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").

Average rainfall days in October
Twin Knolls, MD

Average rainfall days in October - Twin Knolls, MD
  • Average rainfall days in October: 12.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in October
Twin Knolls, MD

Average snowfall in October - Twin Knolls, MD
  • Average snowfall in October: 0.16"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Twin Knolls, MD

Average snowfall days in October - Twin Knolls, MD
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Twin Knolls, MD

Average daylight in October / Average sunshine in October - Twin Knolls, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Twin Knolls, MD

Average sunshine days in October - Twin Knolls, MD
  • Average sunshine days in October: 16.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in October
Twin Knolls, MD

Average UV index in October - Twin Knolls, 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
Twin Knolls, MD

Average cloud cover in October - Twin Knolls, MD
  • Average cloud cover in October: 41

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in October
Twin Knolls, MD

Average visibility in October - Twin Knolls, MD
  • Average visibility in October: 6mi

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

Twin Knolls, Maryland, USA

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