October weather forecast
Greenhills, MD

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Weather in October

October, the same as September, is another refreshing autumn month in Greenhills, Maryland, with an average temperature varying between 48°F (8.9°C) and 64.6°F (18.1°C).

Temperature

In Greenhills, the average high-temperature in October decreases from a moderately hot 76.5°F (24.7°C) in September to a refreshing 64.6°F (18.1°C). Throughout October, Greenhills anticipates an average low-temperature of 48°F (8.9°C).

Humidity

May and October, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Greenhills, during October, the rain falls for 11.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Greenhills, during the entire year, the rain falls for 158.7 days and collects up to 30.91" (785mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow. In Greenhills, during the entire year, snow falls for 21.3 days and aggregates up to 13.31" (338mm) of snow.

Daylight

In October, the average length of the day is 11h and 10min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of October, in Greenhills, Maryland, sunrise is at 7:36 am and sunset at 6:08 pm EDT.

Sunshine

In Greenhills, the average sunshine in October is 5.6h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In October, the average high-temperature and low-temperature are 64.6°F (18.1°C) and 48°F (8.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 89.6°F (32°C).

What is the most humid month?

May and October, with an average relative humidity of 79%, are most humid months.

What is the average humidity in October?

In October, the average relative humidity is 79%.

How much does it rain in October?

In Greenhills, in October, it is raining for 11.6 days, with typically 2.48" (63mm) of accumulated precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow.

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

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 7:05 am and sunset at 6:50 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 intensity in October?

In Greenhills, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Greenhills, MD

Average temperature in October - Greenhills, MD
  • Average high temperature in October: 64.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in October: 48°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in October
Greenhills, MD

Average pressure in October - Greenhills, 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
Greenhills, MD

Average wind speed in October - Greenhills, MD
  • Average wind speed in October: 6.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in October
Greenhills, MD

Average humidity in October - Greenhills, MD
  • Average humidity in October: 79%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in October
Greenhills, MD

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

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in October
Greenhills, MD

Average rainfall days in October - Greenhills, MD
  • Average rainfall days in October: 11.6 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
Greenhills, MD

Average snowfall in October - Greenhills, MD
  • Average snowfall in October: 0.43"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Greenhills, MD

Average snowfall days in October - Greenhills, MD
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Greenhills, MD

Average daylight in October / Average sunshine in October - Greenhills, 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 month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in October
Greenhills, MD

Average sunshine days in October - Greenhills, MD
  • Average sunshine days in October: 16.9 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in October
Greenhills, MD

Average UV index in October - Greenhills, 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
Greenhills, MD

Average cloud cover in October - Greenhills, MD
  • Average cloud cover in October: 40

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in October
Greenhills, MD

Average visibility in October - Greenhills, 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).

Greenhills, Maryland, USA

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