October weather forecast
Belmont, MA

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Weather in October

October, like September, in Belmont, Massachusetts, is another comfortable autumn month, with an average temperature fluctuating between 47.3°F (8.5°C) and 60.8°F (16°C).

Temperature

A shift in Belmont's weather is observed as September turns into October, with the average high temperature reducing from a pleasant 73°F (22.8°C) to a refreshing 60.8°F (16°C). An average low-temperature of 47.3°F (8.5°C) is common during the nights of October.

Humidity

The average relative humidity in October is 76%.

Rainfall

In Belmont, during October, the rain falls for 13.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Belmont, there are 142.8 rainfall days, and 27.36" (695mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Belmont are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Belmont, during the entire year, snow falls for 29.6 days and aggregates up to 17.8" (452mm) of snow.

Daylight

The average length of the day in October is 11h and 3min.
On the first day of October, sunrise is at 6:42 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:38 pm EDT.

Sunshine

In October, the average sunshine is 6h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In October, the average high-temperature and low-temperature are 60.8°F (16°C) and 47.3°F (8.5°C) respectively. 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, in August is calculated to be 84.2°F (29°C).

What is the average humidity in October in Belmont?

The average relative humidity in October is 76%.

How much does it rain in October?

In October, the rain falls for 13.5 days. Throughout October, 2.6" (66mm) of precipitation is accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Belmont have in October?

In October, the average day length is 11h and 3min.

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:42 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:38 pm EDT.

How long on average sun shines in October?

In October, the average sunshine duration is 6h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Belmont, MA

Average temperature in October - Belmont, MA
  • Average high temperature in October: 60.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in October
Belmont, MA

Average pressure in October - Belmont, 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
Belmont, MA

Average wind speed in October - Belmont, MA
  • Average wind speed in October: 7.8mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in October
Belmont, MA

Average humidity in October - Belmont, MA
  • Average humidity in October: 76%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

Average rainfall in October
Belmont, MA

Average rainfall in October - Belmont, MA
  • Average rainfall in October: 2.6"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in October
Belmont, MA

Average rainfall days in October - Belmont, MA
  • Average rainfall days in October: 13.5 days

The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in October
Belmont, MA

Average snowfall in October - Belmont, MA
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Belmont, MA

Average snowfall days in October - Belmont, MA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Belmont, 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: 6h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Belmont, MA

Average sunshine days in October - Belmont, MA
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in October
Belmont, MA

Average UV index in October - Belmont, 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
Belmont, MA

Average cloud cover in October - Belmont, MA
  • Average cloud cover in October: 44

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in October
Belmont, MA

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

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

Belmont, Massachusetts, USA

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