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

Observing a mild shift, the average high-temperature during October reduces from September's pleasant 72.1°F (22.3°C) to a mild 59.2°F (15.1°C). The month of October records an average low-temperature of 44.6°F (7°C).

Humidity

In October, the average relative humidity is 78%.

Rainfall

The month with the most rainfall is October, when the rain falls for 9.4 days and typically aggregates up to 1.38" (35mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. 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, New Hampshire, 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 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.

Sunshine

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

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in October translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What are the temperatures in October?

An average high-temperature, in October, in Manchester, is 59.2°F (15.1°C) and the average low-temperature is 44.6°F (7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in July is computed to be 86°F (30°C).

What is the average humidity in October?

In October, the average relative humidity is 78%.

What is the wettest month?

The month with the most rainfall is October, when the rain falls for 9.4 days and typically aggregates up to 1.38" (35mm) of precipitation.

How many days does it rain in October?

In October, the rain falls for 9.4 days. Throughout October, 1.38" (35mm) of precipitation is accumulated.

When does it start snowing?

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

How many hours of daylight does Manchester have in October?

The average day length in October is 11h and 2min.

When is the sunrise / sunset in October?

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 many hours of sunshine does Manchester have in October?

In October, the average sunshine duration is 5.9h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Manchester, New Hampshire, USA

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