October weather forecast
West Dennis, MA

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Weather in October

October, the same as September, in West Dennis, Massachusetts, is another mild autumn month, with an average temperature ranging between min 54.7°F (12.6°C) and max 59.9°F (15.5°C).

Temperature

The arrival of October suggests a slight decrease in the average high-temperature, moving from 67.1°F (19.5°C) in September to a still refreshing 59.9°F (15.5°C). West Dennis reports an average low-temperature of 54.7°F (12.6°C) during the subtly cooler October nights.

Humidity

In West Dennis, the average relative humidity in October is 76%.

Rainfall

The month with the most rainfall in West Dennis is October, when the rain falls for 11.6 days and typically aggregates up to 1.93" (49mm) of precipitation.

Snowfall

In West Dennis, snow does not fall in May through November.

Ocean temperature

In West Dennis, the average seawater temperature in October is 58.6°F (14.8°C).
Note: Taking a dip in 58.6°F (14.8°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:38 am and sunset at 6:21 pm. On the last day of October, sunrise is at 7:12 am and sunset at 5:36 pm EDT.

Sunshine

The average sunshine in October is 6.7h.

UV index

In West Dennis, Massachusetts, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 4 during October translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In West Dennis, 59.9°F (15.5°C) is the average high-temperature and 54.7°F (12.6°C) is the average low-temperature during October.

What is the average humidity in October?

In October, the average relative humidity is 76%.

What is the wettest month?

October is the month with the most rainfall. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in October?

In West Dennis, in October, during 11.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow?

May through November are months without snowfall.

What is the water temperature in October?

In October, the average ocean temperature is 58.6°F (14.8°C). Swimming in 58.6°F (14.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does West Dennis have in October?

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

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:38 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:36 pm EDT.

How many hours of sunshine does West Dennis have in October?

In West Dennis, the average sunshine duration in October is 6.7h.

What is the UV index intensity in October?

In West Dennis, Massachusetts, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
West Dennis, MA

Average temperature in October - West Dennis, MA
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in October: 54.7°F

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in October
West Dennis, MA

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
West Dennis, MA

Average wind speed in October - West Dennis, MA
  • Average wind speed in October: 14.8mph

The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

Average humidity in October
West Dennis, MA

Average humidity in October - West Dennis, MA
  • Average humidity in October: 76%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).

Average rainfall in October
West Dennis, MA

Average rainfall in October - West Dennis, MA
  • Average rainfall in October: 1.93"

The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").

Average rainfall days in October
West Dennis, MA

Average rainfall days in October - West Dennis, MA
  • Average rainfall days in October: 11.6 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in October
West Dennis, MA

Average snowfall in October - West Dennis, MA
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in October
West Dennis, MA

Average snowfall days in October - West Dennis, MA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in October
West Dennis, MA

Average sea temperature in October - West Dennis, MA
  • Average sea temperature in October: 58.7°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight in October /
Average sunshine in October
West Dennis, MA

Average daylight in October / Average sunshine in October - West Dennis, 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: 6h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in October
West Dennis, MA

Average sunshine days in October - West Dennis, MA
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).

Average UV index in October
West Dennis, MA

Average UV index in October - West Dennis, MA
  • Average UV index in October: 4

The months with the highest UV index are 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
West Dennis, MA

Average cloud cover in October - West Dennis, MA
  • Average cloud cover in October: 39

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October
West Dennis, MA

Average visibility in October - West Dennis, MA
  • 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).

West Dennis, Massachusetts, USA

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