October weather forecast
Bristol, NH

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Weather in October

October, like September, is another mild autumn month in Bristol, New Hampshire, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 55.8°F (13.2°C).

Temperature

With October's arrival, Bristol's weather changes as the average high-temperature falls from an agreeable 68.9°F (20.5°C) in September to a moderate 55.8°F (13.2°C). During October, the temperature tends to dip to an average of 40.3°F (4.6°C) at night.

Humidity

In October, the average relative humidity is 81%.

Rainfall

The month with the most rainfall is October, when the rain falls for 14.3 days and typically aggregates up to 3.15" (80mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1 snowfall days, it receives 0.35" (9mm) of snow. In Bristol, during the entire year, snow falls for 64.6 days and aggregates up to 35.98" (914mm) of snow.

Daylight

In October, the average length of the day is 11h and 0min.
On the first day of October, sunrise is at 6:45 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:38 pm EDT.

Sunshine

In Bristol, the average sunshine in October is 5.5h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 during October translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In October, the average high-temperature and low-temperature are 55.8°F (13.2°C) and 40.3°F (4.6°C) respectively.

What is the average humidity in October?

In Bristol, the average relative humidity in October is 81%.

What is the rainiest month?

October is the month with the most rainfall. Rain falls for 14.3 days and accumulates 3.15" (80mm) of precipitation.

How many days does it rain in October?

In Bristol, New Hampshire, in October, during 14.3 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 1 snowfall days, it receives 0.35" (9mm) of snow.

How many hours of daylight does Bristol have in October?

In Bristol, the average day length in October is 11h and 0min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:45 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:38 pm EDT.

How many hours of sunshine does Bristol have in October?

The average sunshine duration in October is 5.5h.

What are the months with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in October?

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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, NH

Average temperature in October - Bristol, NH
  • Average high temperature in October: 55.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in October: 40.3°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

Average pressure in October
Bristol, NH

Average pressure in October - Bristol, NH
  • 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 (29.91"Hg).

Average wind speed in October
Bristol, NH

Average wind speed in October - Bristol, NH
  • Average wind speed in October: 5.7mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in October
Bristol, NH

Average humidity in October - Bristol, NH
  • Average humidity in October: 81%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

Average rainfall in October
Bristol, NH

Average rainfall in October - Bristol, NH
  • Average rainfall in October: 3.15"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in October
Bristol, NH

Average rainfall days in October - Bristol, NH
  • Average rainfall days in October: 14.3 days

The month with the highest number of rainy days is April (15.7 days).
The month with the least rainy days is January (10.1 days).

Average snowfall in October
Bristol, NH

Average snowfall in October - Bristol, NH
  • Average snowfall in October: 0.35"

The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Bristol, NH

Average snowfall days in October - Bristol, NH
  • Average snowfall days in October: 1 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Bristol, NH
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in October
Bristol, NH

Average sunshine days in October - Bristol, NH
  • Average sunshine days in October: 13.5 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.2 days).

Average UV index in October
Bristol, NH

Average UV index in October - Bristol, NH
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in October
Bristol, NH

Average cloud cover in October - Bristol, NH
  • Average cloud cover in October: 49

The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in October
Bristol, NH

Average visibility in October - Bristol, NH
  • Average visibility in October: 5mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

Bristol, New Hampshire, USA

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