October weather forecast
Sterling, MA

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Weather in October

October, like September, is another mild autumn month in Sterling, Massachusetts, with an average temperature fluctuating between 45°F (7.2°C) and 59.7°F (15.4°C).

Temperature

In October, the average high-temperature decreases from an agreeable 72.5°F (22.5°C) in September to a mild 59.7°F (15.4°C). In Sterling, October nights witness a steady temperature drop to a frosty 45°F (7.2°C).

Humidity

The average relative humidity in October is 79%.

Rainfall

In Sterling, during October, the rain falls for 14.5 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Sterling, during the entire year, the rain falls for 150.4 days and collects up to 28.86" (733mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. In Sterling, during the entire year, snow falls for 36.5 days and aggregates up to 23.82" (605mm) of snow.

Daylight

The average length of the day in October is 11h and 3min.
On the first day of the month, sunrise is at 6:44 am and sunset at 6:28 pm. On the last day of October, sunrise is at 7:20 am and sunset at 5:41 pm EDT.

Sunshine

The average sunshine in October is 5.9h.

UV index

In October, the average daily maximum UV index in Sterling, Massachusetts, is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 3 in October suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In Sterling, in October, the average high-temperature is 59.7°F (15.4°C), and the average low-temperature is 45°F (7.2°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in October in Sterling?

In Sterling, the average relative humidity in October is 79%.

How many days does it rain in October?

In Sterling, in October, during 14.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow.

How many hours of daylight does Sterling have in October?

The average day length in October is 11h and 3min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:44 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:41 pm EDT.

How many hours of sunshine does Sterling have in October?

In October, the average sunshine duration is 5.9h.

What is the UV index reading in October?

In Sterling, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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
Sterling, MA

Average temperature in October - Sterling, MA
  • Average high temperature in October: 59.7°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in October
Sterling, MA

Average pressure in October - Sterling, MA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Sterling, MA

Average wind speed in October - Sterling, MA
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in October
Sterling, MA

Average humidity in October - Sterling, MA
  • Average humidity in October: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in October
Sterling, MA

Average rainfall in October - Sterling, MA
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in October
Sterling, MA

Average rainfall days in October - Sterling, MA
  • Average rainfall days in October: 14.5 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in October
Sterling, MA

Average snowfall in October - Sterling, MA
  • Average snowfall in October: 0.39"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Sterling, MA

Average snowfall days in October - Sterling, MA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Sterling, MA

Average daylight in October / Average sunshine in October - Sterling, MA
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Sterling, MA

Average sunshine days in October - Sterling, MA
  • Average sunshine days in October: 13.9 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in October
Sterling, MA

Average UV index in October - Sterling, MA
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Sterling, MA

Average cloud cover in October - Sterling, MA
  • Average cloud cover in October: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in October
Sterling, MA

Average visibility in October - Sterling, MA
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).

Sterling, Massachusetts, USA

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