October weather forecast
Bristol, CT

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Weather in October

October in Bristol, Connecticut, is well into the fall season and demonstrates a significant drop in temperatures, down to a cool 60.3°F (15.7°C) at the high. Amidst pumpkin-spice everything, the city remains dressed in shades of orange and red, with leaf-peeping at its best. October sees a modest increase in rainfall that often creates a misty atmosphere, adding to the magical autumn allure. Despite the cooler weather conditions, the month is rewarding in terms of natural beauty and local fall events.

Temperature

The average high-temperature decreases in October, shifting from a moderately hot 73.4°F (23°C) in September to a mild 60.3°F (15.7°C). Throughout October, Bristol witnesses a consistent average low-temperature of 46°F (7.8°C).

Humidity

In October, the average relative humidity is 78%.

Rainfall

In Bristol, in October, it is raining for 14.5 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 170 rainfall days, and 35.43" (900mm) 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 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Bristol, there are 33.9 snowfall days, and 18.43" (468mm) of snow is accumulated.

Daylight

In Bristol, the average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:23 am and sunset at 5:47 pm EDT.

Sunshine

In Bristol, the average sunshine in October is 5.7h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In October, an average UV index of 3 transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In Bristol, 60.3°F (15.7°C) is the average high-temperature and 46°F (7.8°C) is the average low-temperature during October. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in October?

In October, the average relative humidity is 78%.

How many days does it rain in October?

In Bristol, in October, during 14.5 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Bristol have in October?

The average day length in October is 11h and 4min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, in Bristol, sunrise is at 7:23 am and sunset at 5:47 pm EDT.

How many hours of sunshine does Bristol have in October?

The average sunshine duration in October is 5.7h.

What is the UV index intensity in October?

The average daily maximum UV index in October in Bristol is 3. A UV Index estimate 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
Bristol, CT

Average temperature in October - Bristol, CT
  • Average high temperature in October: 60.3°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 (32.5°F).

  • Average low temperature in October: 46°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 (20.7°F).

Average pressure in October
Bristol, CT

Average pressure in October - Bristol, CT
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Bristol, CT

Average wind speed in October - Bristol, CT
  • Average wind speed in October: 7mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in October
Bristol, CT

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

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

Average rainfall in October
Bristol, CT

Average rainfall in October - Bristol, CT
  • Average rainfall in October: 3.43"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in October
Bristol, CT

Average rainfall days in October - Bristol, CT
  • Average rainfall days in October: 14.5 days

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in October
Bristol, CT

Average snowfall in October - Bristol, CT
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Bristol, CT

Average snowfall days in October - Bristol, CT
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Bristol, CT
  • 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: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in October
Bristol, CT

Average sunshine days in October - Bristol, CT
  • Average sunshine days in October: 13.3 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is June (10 days).

Average UV index in October
Bristol, CT

Average UV index in October - Bristol, 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
Bristol, CT

Average cloud cover in October - Bristol, CT
  • Average cloud cover in October: 44

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 35).

Average visibility in October
Bristol, CT

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

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

Bristol, Connecticut, USA

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