October weather forecast
Londonderry, NH

Weather in October

October, the same as September, in Londonderry, New Hampshire, is another mild autumn month, with an average temperature varying between 59.2°F (15.1°C) and 44.6°F (7°C).

Temperature

In Londonderry, the average high-temperature in October decreases from an agreeable 72.1°F (22.3°C) in September to a moderate 59.2°F (15.1°C). The average low-temperature, in October, is 44.6°F (7°C).

Humidity

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

Rainfall

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

Snowfall

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

Daylight

In Londonderry, the average length of the day in October is 11h and 2min.
On the first day of the month, sunrise is at 6:42 am and sunset at 6:27 pm. On the last day of October, in Londonderry, sunrise is at 7:18 am and sunset at 5:39 pm EDT.

Sunshine

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

UV index

In Londonderry, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Londonderry?

The average high-temperature, in October, in Londonderry, is 59.2°F (15.1°C), while the average low-temperature is 44.6°F (7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in July is calculated to be 86°F (30°C).

What is the average humidity in October in Londonderry?

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

What is the wettest month in Londonderry?

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

How many days does it rain in October in Londonderry?

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

When does it start snowing in Londonderry?

October is the first month it typically snows in Londonderry, New Hampshire. 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 Londonderry?

In Londonderry, the average day length in October is 11h and 2min.

When is the sunrise / sunset in October in Londonderry?

On the first day of October in Londonderry, New Hampshire, sunrise is at 6:42 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:39 pm EDT.

How many hours of sunshine does Londonderry have in October?

In Londonderry, New Hampshire, the average sunshine duration in October is 5.9h.

What is the UV index intensity in October in Londonderry?

In Londonderry, New Hampshire, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Londonderry, NH

Average temperature in October - Londonderry, 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
Londonderry, NH

Average pressure in October - Londonderry, 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
Londonderry, NH

Average wind speed in October - Londonderry, 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
Londonderry, NH

Average humidity in October - Londonderry, 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
Londonderry, NH

Average rainfall in October - Londonderry, 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
Londonderry, NH

Average rainfall days in October - Londonderry, 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
Londonderry, NH

Average snowfall in October - Londonderry, 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
Londonderry, NH

Average snowfall days in October - Londonderry, 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
Londonderry, NH

Average daylight in October / Average sunshine in October - Londonderry, NH
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

  • Average sunshine in October: 5h and 54min

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
Londonderry, NH

Average sunshine days in October - Londonderry, 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
Londonderry, NH

Average UV index in October - Londonderry, 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
Londonderry, NH

Average cloud cover in October - Londonderry, 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
Londonderry, NH

Average visibility in October - Londonderry, 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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