October weather forecast
Upper Marlboro, MD

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Weather in October

October, like September, in Upper Marlboro, Maryland, is another comfortable autumn month, with an average temperature varying between 66.2°F (19°C) and 52.2°F (11.2°C).

Temperature

The commencement of October involves a temperature shift, with the average high-temperature dropping from a warm 78.3°F (25.7°C) in September to a comfortable 66.2°F (19°C). During October, an average low-temperature of 52.2°F (11.2°C) is observed in Upper Marlboro.

Humidity

In October, the average relative humidity in Upper Marlboro is 76%.

Rainfall

In Upper Marlboro, during October, the rain falls for 12.3 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Upper Marlboro, during the entire year, the rain falls for 164.8 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

May through October are months without snowfall in Upper Marlboro, Maryland.

Daylight

The average length of the day in October in Upper Marlboro is 11h and 10min.
On the first day of the month, sunrise is at 7:03 am and sunset at 6:49 pm. On the last day of October, sunrise is at 7:33 am and sunset at 6:07 pm EDT.

Sunshine

The average sunshine in October in Upper Marlboro, Maryland, is 5.7h.

UV index

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 4 in October leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the usual temperature for Upper Marlboro in October?

In October, the average high-temperature and low-temperature in Upper Marlboro, Maryland, are 66.2°F (19°C) and 52.2°F (11.2°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 93.2°F (34°C).

What is the average humidity in October in Upper Marlboro?

The average relative humidity in October is 76%.

How many days does it rain in October in Upper Marlboro?

In Upper Marlboro, Maryland, in October, it is raining for 12.3 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Upper Marlboro?

May through October are months without snowfall in Upper Marlboro, Maryland.

Does it snow in Upper Marlboro in October?

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

What is the average length of the day in October in Upper Marlboro?

In Upper Marlboro, Maryland, the average day length in October is 11h and 10min.

When are sunrise and sunset in October in Upper Marlboro?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:49 pm. On the last day of the month, in Upper Marlboro, Maryland, sunrise is at 7:33 am and sunset at 6:07 pm EDT.

How long on average sun shines in October in Upper Marlboro?

In October, the average sunshine duration is 5.7h.

What is the UV index reading in October in Upper Marlboro?

In Upper Marlboro, Maryland, 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 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
Upper Marlboro, MD

Average temperature in October - Upper Marlboro, MD
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in October: 52.2°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in October
Upper Marlboro, MD

Average pressure in October - Upper Marlboro, 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).

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Average wind speed in October
Upper Marlboro, MD

Average wind speed in October - Upper Marlboro, MD
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

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Average humidity in October
Upper Marlboro, MD

Average humidity in October - Upper Marlboro, MD
  • Average humidity in October: 76%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).

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Average rainfall in October
Upper Marlboro, MD

Average rainfall in October - Upper Marlboro, MD
  • Average rainfall in October: 2.8"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in October
Upper Marlboro, MD

Average rainfall days in October - Upper Marlboro, MD
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in October
Upper Marlboro, MD

Average snowfall in October - Upper Marlboro, MD
  • Average snowfall in October: 0"

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

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Average snowfall days in October
Upper Marlboro, MD

Average snowfall days in October - Upper Marlboro, MD
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (4.6 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
Upper Marlboro, MD

Average daylight in October / Average sunshine in October - Upper Marlboro, MD
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in October
Upper Marlboro, MD

Average sunshine days in October - Upper Marlboro, MD
  • Average sunshine days in October: 17.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in October
Upper Marlboro, MD

Average UV index in October - Upper Marlboro, 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, November and December (UV index 2).

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Average cloud cover in October
Upper Marlboro, MD

Average cloud cover in October - Upper Marlboro, MD
  • Average cloud cover in October: 37

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in October
Upper Marlboro, MD

Average visibility in October - Upper Marlboro, 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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Upper Marlboro, Maryland, USA

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