October weather forecast
Three Rivers, MA

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Weather in October

October, the same as September, in Three Rivers, Massachusetts, is a moderate autumn month, with an average temperature ranging between min 45°F (7.2°C) and max 60.3°F (15.7°C).

Temperature

Three Rivers observes a minor decrease in the average high-temperature with the arrival of October, falling from September's agreeable 73°F (22.8°C) to a mild 60.3°F (15.7°C). In Three Rivers, October's nights observe an average temperature dip to a chilly 45°F (7.2°C).

Humidity

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

Rainfall

In Three Rivers, in October, it is raining for 13.7 days, with typically 2.87" (73mm) of accumulated precipitation. In Three Rivers, during the entire year, the rain falls for 152.1 days and collects up to 29.37" (746mm) 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 0.31" (8mm) of snow. Throughout the year, there are 33.4 snowfall days, and 18.43" (468mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:47 am and sunset at 6:30 pm. On the last day of October, sunrise is at 7:22 am and sunset at 5:44 pm EDT.

Sunshine

In Three Rivers, the average sunshine in October is 5.9h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 3 in October translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What is the usual temperature for Three Rivers in October?

In Three Rivers, 60.3°F (15.7°C) is the average high-temperature and 45°F (7.2°C) is the average low-temperature during October. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in October?

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

How many days does it rain in October in Three Rivers?

In Three Rivers, in October, during 13.7 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When does it start snowing in Three Rivers?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.31" (8mm) of snow.

How many hours of daylight does Three Rivers have in October?

In October, the average day length is 11h and 4min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:47 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:44 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October is 5.9h.

How high is the UV index in October?

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Three Rivers, MA

Average temperature in October - Three Rivers, MA
  • Average high temperature in October: 60.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in October
Three Rivers, MA

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Three Rivers, MA

Average wind speed in October - Three Rivers, MA
  • Average wind speed in October: 6.6mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in October
Three Rivers, MA

Average humidity in October - Three Rivers, 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
Three Rivers, MA

Average rainfall in October - Three Rivers, MA
  • Average rainfall in October: 2.87"

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
Three Rivers, MA

Average rainfall days in October - Three Rivers, MA
  • Average rainfall days in October: 13.7 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in October
Three Rivers, MA

Average snowfall in October - Three Rivers, MA
  • Average snowfall in October: 0.31"

The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Three Rivers, MA

Average snowfall days in October - Three Rivers, MA
  • Average snowfall days in October: 0.5 days

The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Three Rivers, MA

Average daylight in October / Average sunshine in October - Three Rivers, MA
  • Average daylight in October: 11h and 1min

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 12min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Three Rivers, MA

Average sunshine days in October - Three Rivers, MA
  • Average sunshine days in October: 14.8 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in October
Three Rivers, MA

Average UV index in October - Three Rivers, 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
Three Rivers, MA

Average cloud cover in October - Three Rivers, MA
  • Average cloud cover in October: 43

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in October
Three Rivers, MA

Average visibility in October - Three Rivers, MA
  • Average visibility in October: 6mi

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

Three Rivers, Massachusetts, USA

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