October weather forecast
Nashua, NH

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The arched Main Street Bridge crossing over the iconic Nashua River in New Hampshire
The arched Main Street Bridge crossing over the iconic Nashua River in New Hampshire

Weather in October

October brings a further decline in temperature in Nashua, with the high averaging 59.5°F (15.3°C) and the low at 44.4°F (6.9°C). A prominent characteristic of this month is the increasingly short days, indicating the nearing winter. Drifts of fallen leaves blanket the city streets, punctuating the season of harvest. The humidity remains fairly consistent, contributing to a comfortable feel to the crisp autumn air. Wind velocity escalates slightly, carrying a chill that foreshadows the impending winter cold.

Temperature

The onset of October in Nashua, New Hampshire, coincides with a reduction in the average high-temperature, falling from a pleasant 72.5°F (22.5°C) in September to a moderate 59.5°F (15.3°C). Nashua's temperature lowers to a mean of 44.4°F (6.9°C) during the nights in October.

Humidity

The average relative humidity in October in Nashua is 78%.

Rainfall

In Nashua, New Hampshire, during October, the rain falls for 7.8 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Nashua, during the entire year, the rain falls for 91.2 days and collects up to 7.24" (184mm) 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 0.4 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 25 snowfall days, and 5.91" (150mm) of snow is accumulated.

Daylight

In Nashua, 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 5:39 pm EDT.

Sunshine

The average sunshine in October is 6h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 3 in October translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What are October temperatures in Nashua?

October temperatures in Nashua vary between a high-temperature of 59.5°F (15.3°C) and a low-temperature of 44.4°F (6.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in October in Nashua?

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

How much does it rain in Nashua in October?

In Nashua, during October, the rain falls for 7.8 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When does it start snowing in Nashua?

October is the first month it typically snows in Nashua. Throughout October, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow.

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

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

When are sunrise and sunset in October in Nashua?

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 5:39 pm EDT.

How many hours of sunshine does Nashua have in October?

In October, the average sunshine duration is 6h.

What is the UV index reading in October in Nashua?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Nashua, NH

Average temperature in October - Nashua, NH
  • Average high temperature in October: 59.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in October: 44.4°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in October
Nashua, NH

Average pressure in October - Nashua, 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
Nashua, NH

Average wind speed in October - Nashua, NH
  • Average wind speed in October: 6.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in October
Nashua, NH

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in October
Nashua, NH

Average rainfall in October - Nashua, NH
  • Average rainfall in October: 0.71"

The wettest month (with the highest rainfall) is November (0.79").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in October
Nashua, NH

Average rainfall days in October - Nashua, NH
  • Average rainfall days in October: 7.8 days

The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is January (3.5 days).

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Average snowfall in October
Nashua, NH

Average snowfall in October - Nashua, NH
  • Average snowfall in October: 0.12"

The months with the highest snowfall are February and December (1.26").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Nashua, NH

Average snowfall days in October - Nashua, NH
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is February (6.7 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
Nashua, NH

Average daylight in October / Average sunshine in October - Nashua, 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: 6h and 0min

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
Nashua, NH

Average sunshine days in October - Nashua, NH
  • Average sunshine days in October: 20.3 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index in October
Nashua, NH

Average UV index in October - Nashua, 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, November and December (UV index 2).

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Average cloud cover in October
Nashua, NH

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

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in October
Nashua, NH

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

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

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Nashua, New Hampshire, USA

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