October weather forecast
Marlborough, CT

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Weather in October

October, the same as September, is another refreshing autumn month in Marlborough, Connecticut, with an average temperature fluctuating between 47.7°F (8.7°C) and 61.5°F (16.4°C).

Temperature

The average high-temperature decreases in October, shifting from a moderately hot 73.4°F (23°C) in September to an enjoyable 61.5°F (16.4°C). October witnesses an average nighttime temperature of 47.7°F (8.7°C).

Humidity

The average relative humidity in October in Marlborough is 78%.

Rainfall

In Marlborough, during October, the rain falls for 8.4 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Marlborough, during the entire year, the rain falls for 99.9 days and collects up to 9.41" (239mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In October, the average length of the day in Marlborough is 11h and 5min.
On the first day of October in Marlborough, sunrise is at 6:47 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:45 pm EDT.

Sunshine

In Marlborough, Connecticut, the average sunshine in October is 5.8h.

UV index

In Marlborough, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 3 during October leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What are the temperatures in Marlborough in October?

In October, in Marlborough, the average high-temperature is 61.5°F (16.4°C), and the average low-temperature is 47.7°F (8.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 87.8°F (31°C).

What is the average humidity in October in Marlborough?

The average relative humidity in October in Marlborough is 78%.

How much does it rain in Marlborough in October?

In October, in Marlborough, Connecticut, the rain falls for 8.4 days. Throughout October, 0.98" (25mm) of precipitation is accumulated.

When it does not snow in Marlborough?

June through October are months without snowfall in Marlborough, Connecticut.

Does it snow in Marlborough in October?

In Marlborough, in October, it doesn't snow. In November, it regularly snows.

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

The average day length in October in Marlborough is 11h and 5min.

When are sunrise and sunset in October in Marlborough?

In October, on the first day of the month, sunrise is at 6:47 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:45 pm EDT.

How long on average sun shines in October in Marlborough?

In Marlborough, Connecticut, the average sunshine duration in October is 5.8h.

What is the UV index intensity in October in Marlborough?

In Marlborough, Connecticut, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Marlborough, CT

Average temperature in October - Marlborough, CT
  • Average high temperature in October: 61.5°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in October: 47.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in October
Marlborough, CT

Average pressure in October - Marlborough, CT
  • 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).

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Average wind speed in October
Marlborough, CT

Average wind speed in October - Marlborough, CT
  • Average wind speed in October: 7.4mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in October
Marlborough, CT

Average humidity in October - Marlborough, CT
  • Average humidity in October: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in October
Marlborough, CT

Average rainfall in October - Marlborough, CT
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in October
Marlborough, CT

Average rainfall days in October - Marlborough, CT
  • Average rainfall days in October: 8.4 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in October
Marlborough, CT

Average snowfall in October - Marlborough, CT
  • Average snowfall in October: 0"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in October
Marlborough, CT

Average snowfall days in October - Marlborough, CT
  • Average snowfall days in October: 0 days

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

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Average daylight in October /
Average sunshine in October
Marlborough, CT

Average daylight in October / Average sunshine in October - Marlborough, CT
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
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 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in October
Marlborough, CT

Average sunshine days in October - Marlborough, CT
  • Average sunshine days in October: 20.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).

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Average UV index in October
Marlborough, CT

Average UV index in October - Marlborough, CT
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Marlborough, CT

Average cloud cover in October - Marlborough, CT
  • Average cloud cover in October: 43

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in October
Marlborough, CT

Average visibility in October - Marlborough, CT
  • Average visibility in October: 6mi

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

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Marlborough, Connecticut, USA

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