October weather forecast
Old Mystic, CT

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Weather in October

October, the same as September, is another enjoyable autumn month in Old Mystic, Connecticut, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 49.6°F (9.8°C).

Temperature

The commencement of October involves a temperature shift, with the average high-temperature dropping from an agreeable 72.5°F (22.5°C) in September to a refreshing 61.7°F (16.5°C). Old Mystic experiences a mean temperature of 49.6°F (9.8°C) during October nights.

Humidity

In Old Mystic, the average relative humidity in October is 77%.

Rainfall

In Old Mystic, in October, it is raining for 13.9 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 162.1 rainfall days, and 33.66" (855mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Old Mystic, the average length of the day in October is 11h and 5min.
On the first day of October, sunrise is at 6:45 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:43 pm EDT.

Sunshine

In October, the average sunshine is 6h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 3 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

In October, in Old Mystic, the average high-temperature is 61.7°F (16.5°C), and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in October?

In October, the average relative humidity in Old Mystic is 77%.

How much does it rain in October?

In October, the rain falls for 13.9 days. Throughout October, 3.31" (84mm) of precipitation is accumulated.

When it does not snow?

In Old Mystic, Connecticut, snow does not fall in June through October.

Does it snow in October?

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

What is the average length of the day in October?

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

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:45 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:43 pm EDT.

How long on average sun shines in October?

In Old Mystic, the average sunshine duration in October is 6h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents 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
Old Mystic, CT

Average temperature in October - Old Mystic, CT
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in October: 49.6°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in October
Old Mystic, CT

Average pressure in October - Old Mystic, 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).

Average wind speed in October
Old Mystic, CT

Average wind speed in October - Old Mystic, CT
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in October
Old Mystic, CT

Average humidity in October - Old Mystic, CT
  • Average humidity in October: 77%

The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in October
Old Mystic, CT

Average rainfall in October - Old Mystic, CT
  • Average rainfall in October: 3.31"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in October
Old Mystic, CT

Average rainfall days in October - Old Mystic, CT
  • Average rainfall days in October: 13.9 days

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (10 days).

Average snowfall in October
Old Mystic, CT

Average snowfall in October - Old Mystic, CT
  • Average snowfall in October: 0"

The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Old Mystic, CT

Average snowfall days in October - Old Mystic, CT
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Old Mystic, CT

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

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in October
Old Mystic, CT

Average sunshine days in October - Old Mystic, CT
  • Average sunshine days in October: 15.3 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in October
Old Mystic, CT

Average UV index in October - Old Mystic, CT
  • 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
Old Mystic, CT

Average cloud cover in October - Old Mystic, CT
  • Average cloud cover in October: 42

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in October
Old Mystic, CT

Average visibility in October - Old Mystic, CT
  • 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).

Old Mystic, Connecticut, USA

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