October weather forecast
Germantown, MD

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Weather in October

October is a month of transformation for Germantown as autumn deeply sets in. The weather takes a cooler turn, allowing residents to take out their warm apparel. The amber hues of fall fill the city, and there is a marked increase in relative humidity. Persistent rainfall refreshes the atmosphere, and moderate wind adds to the crispness of the autumn air. October's climate, replete with cool temperatures and falling leaves, undoubtedly makes it a picturesque month.

Temperature

In October, the average high-temperature decreases from a warm 77.5°F (25.3°C) in September to a refreshing 65.5°F (18.6°C). Germantown's average low-temperature in October is measured at a frosty 48.9°F (9.4°C).

Humidity

The months with the highest humidity are October and December, with an average relative humidity of 78%.

Rainfall

In October, the rain falls for 12.2 days. Throughout October, 2.48" (63mm) of precipitation is accumulated. Throughout the year, in Germantown, there are 159.4 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Germantown, the average length of the day in October is 11h and 10min.
On the first day of October, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:08 pm EDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In October, an average UV index of 3 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

October temperatures vary between a high-temperature of 65.5°F (18.6°C) and a low-temperature of 48.9°F (9.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 93.2°F (34°C).

What is the most humid month?

The months with the highest humidity are October and December, with an average relative humidity of 78%.

What is the average humidity in October?

The average relative humidity in October is 78%.

How many days does it rain in October?

In Germantown, in October, during 12.2 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow?

June through October are months without snowfall in Germantown.

Does it snow in October?

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

What is the average length of the day in October?

The average day length in October 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 6:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:08 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October is 5.6h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Germantown, MD

Average temperature in October - Germantown, MD
  • Average high temperature in October: 65.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in October: 48.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in October
Germantown, MD

Average pressure in October - Germantown, 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
Germantown, MD

Average wind speed in October - Germantown, MD
  • Average wind speed in October: 6.4mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in October
Germantown, MD

Average humidity in October - Germantown, MD
  • Average humidity in October: 78%

The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in October
Germantown, MD

Average rainfall in October - Germantown, MD
  • Average rainfall in October: 2.48"

The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").

Average rainfall days in October
Germantown, MD

Average rainfall days in October - Germantown, MD
  • Average rainfall days in October: 12.2 days

The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).

Average snowfall in October
Germantown, MD

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

The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Germantown, MD

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

The months with the highest number of snowfall days are January and February (5.8 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
Germantown, MD

Average daylight in October / Average sunshine in October - Germantown, 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 January (Average sunshine: 5h and 0min).

Average sunshine days in October
Germantown, MD

Average sunshine days in October - Germantown, MD
  • Average sunshine days in October: 16.7 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in October
Germantown, MD

Average UV index in October - Germantown, 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
Germantown, MD

Average cloud cover in October - Germantown, 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
Germantown, MD

Average visibility in October - Germantown, 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).

Germantown, Maryland, USA

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