October weather forecast
Plymouth, NH

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Weather in October

October showcases the best of autumn in Plymouth with vibrant fall foliage. Though the average high temperature drops to 53.4°F (11.9°C), autumn's charm persists. The arrival of snow is minimal at 0.51" (13mm), while the rainfall reaches its highest of the year at 1.5" (38mm). The dispersal of summer tourists makes the city quieter, enhancing the tranquility of the fall season. As November approaches, temperatures turn significantly colder, hinting at the impending winter.

Temperature

October signals a clear temperature drop, with average high-temperatures decreasing from September's pleasant 68.2°F (20.1°C) to a cool 53.4°F (11.9°C). In Plymouth, October is marked by an average low-temperature of 39.2°F (4°C).

Humidity

The average relative humidity in October is 82%.

Rainfall

The month with the most rainfall is October, when the rain falls for 12.2 days and typically aggregates up to 1.5" (38mm) of precipitation.

Snowfall

Months with snowfall in Plymouth, New Hampshire, are January through May, October through December. October is the first month it typically snows in Plymouth. Throughout October, in the average 2.1 snowfall days, it receives 0.51" (13mm) of snow. In Plymouth, during the entire year, snow falls for 77.2 days and aggregates up to 22.52" (572mm) of snow.

Daylight

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

Sunshine

In October, the average sunshine in Plymouth is 5.4h.

UV index

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during October morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Plymouth in October?

The high-temperature, in October, in Plymouth, records 53.4°F (11.9°C), while the low-temperature is 39.2°F (4°C).

What is the average humidity in October in Plymouth?

In Plymouth, New Hampshire, the average relative humidity in October is 82%.

What is the rainiest month in Plymouth?

The month with the most rainfall is October, when the rain falls for 12.2 days and typically aggregates up to 1.5" (38mm) of precipitation.

How many days does it rain in October in Plymouth?

In October, the rain falls for 12.2 days. Throughout October, 1.5" (38mm) of precipitation is accumulated.

When does it start to snow in Plymouth?

October is the first month it typically snows. Throughout October, in the average 2.1 snowfall days, it receives 0.51" (13mm) of snow.

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

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

What time are sunrise and sunset in October in Plymouth?

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

How long on average sun shines in October in Plymouth?

The average sunshine duration in October in Plymouth is 5.4h.

What is the UV index intensity in October in Plymouth?

In October, the average daily maximum UV index in Plymouth is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Plymouth, NH

Average temperature in October - Plymouth, NH
  • Average high temperature in October: 53.4°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in October: 39.2°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in October
Plymouth, NH

Average pressure in October - Plymouth, NH
  • Average pressure in October: 30"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
Plymouth, NH

Average wind speed in October - Plymouth, NH
  • Average wind speed in October: 5.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in October
Plymouth, NH

Average humidity in October - Plymouth, NH
  • Average humidity in October: 82%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (76%).

Average rainfall in October
Plymouth, NH

Average rainfall in October - Plymouth, NH
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is October (1.5").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in October
Plymouth, NH

Average rainfall days in October - Plymouth, NH
  • Average rainfall days in October: 12.2 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in October
Plymouth, NH

Average snowfall in October - Plymouth, NH
  • Average snowfall in October: 0.51"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Plymouth, NH

Average snowfall days in October - Plymouth, NH
  • Average snowfall days in October: 2.1 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Plymouth, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in October
Plymouth, NH

Average sunshine days in October - Plymouth, NH
  • Average sunshine days in October: 14.7 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in October
Plymouth, NH

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in October
Plymouth, NH

Average cloud cover in October - Plymouth, NH
  • Average cloud cover in October: 50

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in October
Plymouth, NH

Average visibility in October - Plymouth, 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).

Plymouth, New Hampshire, USA

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