October weather forecast
Winchester, MA

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Weather in October

October, like September, is another refreshing autumn month in Winchester, Massachusetts, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 47.3°F (8.5°C).

Temperature

With the beginning of October, the average high-temperature shows a decrease, transitioning from a pleasant 72.5°F (22.5°C) in September to a refreshing 60.6°F (15.9°C). Throughout October, Winchester records an average temperature of 47.3°F (8.5°C) at night.

Humidity

In Winchester, Massachusetts, the average relative humidity in October is 75%.

Rainfall

In Winchester, in October, it is raining for 13.3 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 138.8 rainfall days, and 26.85" (682mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 30.6 snowfall days, and 18.86" (479mm) of snow is accumulated.

Daylight

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

Sunshine

In Winchester, the average sunshine in October is 5.9h.

UV index

In Winchester, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 3 in October leads to these guidelines:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. 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 Winchester in October?

During October, Winchester experiences an average high-temperature of 60.6°F (15.9°C) and a low-temperature of 47.3°F (8.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is calculated to be 84.2°F (29°C).

What is the average humidity in October?

In October, the average relative humidity is 75%.

How many days does it rain in October?

In October, in Winchester, the rain falls for 13.3 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 0.08" (2mm) of snow.

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

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?

The average sunshine duration in October is 5.9h.

What is the UV index reading in October in Winchester?

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Winchester, MA

Average temperature in October - Winchester, MA
  • Average high temperature in October: 60.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in October
Winchester, MA

Average pressure in October - Winchester, 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
Winchester, MA

Average wind speed in October - Winchester, 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
Winchester, MA

Average humidity in October - Winchester, MA
  • Average humidity in October: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).

Average rainfall in October
Winchester, MA

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

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").

Average rainfall days in October
Winchester, MA

Average rainfall days in October - Winchester, MA
  • Average rainfall days in October: 13.3 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in October
Winchester, MA

Average snowfall in October - Winchester, MA
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Winchester, MA

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

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Winchester, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Winchester, MA

Average sunshine days in October - Winchester, MA
  • Average sunshine days in October: 15.7 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in October
Winchester, MA

Average UV index in October - Winchester, 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
Winchester, MA

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

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in October
Winchester, MA

Average visibility in October - Winchester, 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).

Winchester, Massachusetts, USA

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