October weather forecast
Columbia, MD

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A beautiful and scenic setting around the waterfront homes at Wilde Lake in Columbia, Maryland
A beautiful and scenic setting around the waterfront homes at Wilde Lake in Columbia, Maryland

Weather in October

October in Columbia, Maryland, announces the onset of Autumn in earnest, with temperatures tending towards more pleasant medians. The shortened daylight hours align with the shift, reinforcing the steady drop in temperature. The city basks in this transition, surrendering to the beauty of falling leaves and orange hues. With a notable temperature variation from 65.1°F (18.4°C) to lows of 50.2°F (10.1°C), October sets a decidedly Autumnal stage. The crisp air and clear skies make each day seem like an artist's palette.

Temperature

Columbia's weather changes with the onset of October, slightly falling from a warm 77°F (25°C) in September to a comfortable 65.1°F (18.4°C). Columbia's temperature drops to an average low of 50.2°F (10.1°C) during the nights of October.

Humidity

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

Rainfall

In October, the rain falls for 12.4 days. Throughout October, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 159.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

In Columbia, snow does not fall in April through October.

Daylight

In Columbia, the average length of the day in October is 11h and 10min.
On the first day of October in Columbia, Maryland, 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.

Sunshine

The average sunshine in October in Columbia is 5.6h.

UV index

In Columbia, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 4 in October, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are October temperatures in Columbia?

In October, the average high-temperature and low-temperature in Columbia are 65.1°F (18.4°C) and 50.2°F (10.1°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 91.4°F (33°C).

What is the most humid month in Columbia?

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

What is the average humidity in October in Columbia?

In Columbia, the average relative humidity in October is 77%.

How many days does it rain in October in Columbia?

In Columbia, in October, it is raining for 12.4 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Columbia?

In Columbia, Maryland, snow does not fall in April through October.

Does it snow in Columbia in October?

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

What is the average length of the day in October in Columbia?

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

When are sunrise and sunset in October in Columbia?

On the first day of October in Columbia, Maryland, 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 many hours of sunshine does Columbia have in October?

In Columbia, the average sunshine duration in October is 5.6h.

How high is the UV index in October in Columbia?

In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Columbia, MD

Average temperature in October - Columbia, MD
  • Average high temperature in October: 65.1°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in October: 50.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in October
Columbia, MD

Average pressure in October - Columbia, 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
Columbia, MD

Average wind speed in October - Columbia, MD
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in October
Columbia, MD

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

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in October
Columbia, MD

Average rainfall in October - Columbia, MD
  • Average rainfall in October: 2.24"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in October
Columbia, MD

Average rainfall days in October - Columbia, MD
  • Average rainfall days in October: 12.4 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in October
Columbia, MD

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

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
Columbia, MD

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

The month with the highest number of snowfall days is February (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
Columbia, MD

Average daylight in October / Average sunshine in October - Columbia, 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 and February (Average sunshine: 5h and 6min).

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Average sunshine days in October
Columbia, MD

Average sunshine days in October - Columbia, MD
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

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Average UV index in October
Columbia, MD

Average UV index in October - Columbia, 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, February, November and December (UV index 2).

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Average cloud cover in October
Columbia, MD

Average cloud cover in October - Columbia, 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).

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Average visibility in October
Columbia, MD

Average visibility in October - Columbia, 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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Columbia, Maryland, USA

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