October weather forecast
Holliston, MA

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Weather in October

October, the same as September, is another comfortable autumn month in Holliston, Massachusetts, with an average temperature fluctuating between 60.8°F (16°C) and 46.2°F (7.9°C).

Temperature

Onset of October comes with a temperature decline, the average high falling from an agreeable 73.2°F (22.9°C) in September to an enjoyable 60.8°F (16°C). Holliston experiences a mean temperature of 46.2°F (7.9°C) during October nights.

Humidity

In October, the average relative humidity in Holliston is 78%.

Rainfall

In Holliston, during October, the rain falls for 14.6 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Holliston, during the entire year, the rain falls for 157.5 days and collects up to 29.53" (750mm) of precipitation.

Snowfall

Months with snowfall in Holliston, Massachusetts, 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 28.8 snowfall days, and 17.32" (440mm) of snow is accumulated.

Daylight

In Holliston, the average length of the day in October is 11h and 3min.
On the first day of the month, sunrise is at 6:43 am and sunset at 6:26 pm. On the last day of October, in Holliston, sunrise is at 7:18 am and sunset at 5:40 pm EDT.

Sunshine

In October, the average sunshine is 6h.

UV index

The average daily maximum UV index in October in Holliston, Massachusetts, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In October, a daily UV index of 3 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What are October temperatures in Holliston?

In October, in Holliston, the average high-temperature is 60.8°F (16°C), and the average low-temperature is 46.2°F (7.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in October in Holliston?

The average relative humidity in October is 78%.

How much does it rain in Holliston in October?

In Holliston, Massachusetts, in October, it is raining for 14.6 days, with typically 2.64" (67mm) of accumulated precipitation.

When does it start to snow in Holliston?

October is the first month it typically snows in Holliston. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Holliston have in October?

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

What time are sunrise and sunset in October in Holliston?

On the first day of October in Holliston, sunrise is at 6:43 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:40 pm EDT.

How long on average sun shines in October in Holliston?

In Holliston, Massachusetts, the average sunshine duration in October is 6h.

What is the UV index intensity in October in Holliston?

The average daily maximum UV index in October in Holliston is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Holliston, MA

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

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in October: 46.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in October
Holliston, MA

Average pressure in October - Holliston, 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 (29.93"Hg).

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Average wind speed in October
Holliston, MA

Average wind speed in October - Holliston, MA
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in October
Holliston, MA

Average humidity in October - Holliston, MA
  • Average humidity in October: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in October
Holliston, MA

Average rainfall in October - Holliston, MA
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in October
Holliston, MA

Average rainfall days in October - Holliston, MA
  • Average rainfall days in October: 14.6 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in October
Holliston, MA

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

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Holliston, MA

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

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Holliston, 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 0min

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 42min).

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Average sunshine days in October
Holliston, MA

Average sunshine days in October - Holliston, MA
  • Average sunshine days in October: 14.5 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).

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Average UV index in October
Holliston, MA

Average UV index in October - Holliston, 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).

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Average cloud cover in October
Holliston, MA

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

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

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Average visibility in October
Holliston, MA

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

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

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Holliston, Massachusetts, USA

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