October weather forecast
New Carrollton, MD

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Weather in October

October in New Carrollton further fosters the trend of lowering temperatures established in September. The fall season, in full swing at this point, displays a symphony of changing foliage and crisp air. Though day length continues to decrease, the accompanying autumn chill does not deter outdoor activities. This transition from the warmth of summer to the cold of winter will carry on to November, establishing a consistent downward spiral in temperatures.

Temperature

New Carrollton's weather changes with the onset of October, slightly falling from a warm 78.1°F (25.6°C) in September to a comfortable 66.2°F (19°C). Throughout October, a steady low-temperature average of 51.8°F (11°C) is noted.

Humidity

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

Rainfall

In New Carrollton, in October, during 11.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In New Carrollton, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.

Snowfall

In New Carrollton, snow does not fall in May through November.

Daylight

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

In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 in October translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in New Carrollton?

During October, New Carrollton experiences an average high-temperature of 66.2°F (19°C) and a low-temperature of 51.8°F (11°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 93.2°F (34°C).

What are the most humid months?

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

What is the average humidity in October?

In New Carrollton, the average relative humidity in October is 76%.

How many days does it rain in October?

In New Carrollton, in October, it is raining for 11.8 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow?

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 are sunrise and 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?

The average sunshine duration in October in New Carrollton is 5.6h.

How high is the UV index in October?

The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
New Carrollton, MD

Average temperature in October - New Carrollton, 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
New Carrollton, MD

Average pressure in October - New Carrollton, 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
New Carrollton, MD

Average wind speed in October - New Carrollton, 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
New Carrollton, MD

Average humidity in October - New Carrollton, 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
New Carrollton, MD

Average rainfall in October - New Carrollton, 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
New Carrollton, MD

Average rainfall days in October - New Carrollton, 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
New Carrollton, MD

Average snowfall in October - New Carrollton, 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
New Carrollton, MD

Average snowfall days in October - New Carrollton, 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
New Carrollton, MD

Average daylight in October / Average sunshine in October - New Carrollton, 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
New Carrollton, MD

Average sunshine days in October - New Carrollton, 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
New Carrollton, MD

Average UV index in October - New Carrollton, 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
New Carrollton, MD

Average cloud cover in October - New Carrollton, 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
New Carrollton, MD

Average visibility in October - New Carrollton, 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).

New Carrollton, Maryland, USA

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