October weather forecast
Manchester, NH

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The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below
The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below

Weather in October

October welcomes autumn in earnest, with a significant drop in temperatures and an increase in rainfall to 1.38" (35mm). Outdoor activities give way to indoor pursuits as Manchester prepares itself for the winter to come. Sweaters and warm beverages become the order of the day, and the leaf-peeping season reaches its climax.

Temperature

October in Manchester brings a decrease in the average high-temperature, falling from September's agreeable 72.1°F (22.3°C) to a mild 59.2°F (15.1°C). Manchester observes an average nighttime temperature of 44.6°F (7°C) during October.

Humidity

In October, the average relative humidity is 78%.

Rainfall

October is the month with the most rainfall in Manchester. Rain falls for 9.4 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Manchester. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. In Manchester, during the entire year, snow falls for 26.1 days and aggregates up to 11.54" (293mm) of snow.

Daylight

In Manchester, the average length of the day in October is 11h and 2min.
On the first day of the month, sunrise is at 6:43 am and sunset at 6:26 pm. On the last day of October, sunrise is at 7:19 am and sunset at 5:38 pm EDT.

Sunshine

In Manchester, the average sunshine in October is 5.9h.

UV index

The average daily maximum UV index in October in Manchester is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 3 during October translates into the following guidance:
Act with care - Obligation to protect against skin and eye damage is highlighted. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the temperature in October in Manchester?

Manchester in October has an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 44.6°F (7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 86°F (30°C).

What is the average humidity in October in Manchester?

In October, the average relative humidity in Manchester is 78%.

What is the rainiest month in Manchester?

October is the month with the most rainfall in Manchester. Rain falls for 9.4 days and accumulates 1.38" (35mm) of precipitation.

How many days does it rain in October in Manchester?

In Manchester, during October, the rain falls for 9.4 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When does it start to snow in Manchester?

October is the first month it typically snows in Manchester. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow.

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

In October, the average day length in Manchester, New Hampshire, is 11h and 2min.

When are sunrise and sunset in October in Manchester?

On the first day of October, sunrise is at 6:43 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:38 pm EDT.

How long on average sun shines in October in Manchester?

The average sunshine duration in October is 5.9h.

What is the UV index intensity in October in Manchester?

In Manchester, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes 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
Manchester, NH

Average temperature in October - Manchester, NH
  • Average high temperature in October: 59.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in October: 44.6°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in October
Manchester, NH

Average pressure in October - Manchester, 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 (29.92"Hg).

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Average wind speed in October
Manchester, NH

Average wind speed in October - Manchester, NH
  • Average wind speed in October: 6.7mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in October
Manchester, NH

Average humidity in October - Manchester, NH
  • Average humidity in October: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in October
Manchester, NH

Average rainfall in October - Manchester, NH
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in October
Manchester, NH

Average rainfall days in October - Manchester, NH
  • Average rainfall days in October: 9.4 days

The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in October
Manchester, NH

Average snowfall in October - Manchester, NH
  • Average snowfall in October: 0.28"

The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Manchester, NH

Average snowfall days in October - Manchester, NH
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in October
Manchester, NH

Average sunshine days in October - Manchester, NH
  • Average sunshine days in October: 20 days

The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).

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Average UV index in October
Manchester, NH

Average UV index in October - Manchester, NH
  • 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).

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Average cloud cover in October
Manchester, NH

Average cloud cover in October - Manchester, NH
  • Average cloud cover in October: 44

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Manchester, NH

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

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

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Manchester, New Hampshire, USA

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