October weather forecast
North Chelmsford, MA

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Weather in October

October, the same as September, in North Chelmsford, Massachusetts, is another refreshing autumn month, with an average temperature fluctuating between 59.9°F (15.5°C) and 45.7°F (7.6°C).

Temperature

October is characterized by a reduction in the average high-temperature, from an agreeable 72.5°F (22.5°C) in September to a mild 59.9°F (15.5°C). North Chelmsford experiences a nighttime temperature average of 45.7°F (7.6°C) during October.

Humidity

In North Chelmsford, Massachusetts, the average relative humidity in October is 77%.

Rainfall

In North Chelmsford, Massachusetts, in October, it is raining for 13.6 days, with typically 2.76" (70mm) of accumulated precipitation. In North Chelmsford, during the entire year, the rain falls for 145.9 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in North Chelmsford. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In North Chelmsford, during the entire year, snow falls for 32.6 days and aggregates up to 21.61" (549mm) of snow.

Daylight

In North Chelmsford, 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 7:18 am and sunset at 5:39 pm EDT.

Sunshine

In October, the average sunshine is 6h.

UV index

The average daily maximum UV index in October in North Chelmsford, Massachusetts, is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in October leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the temperature in October in North Chelmsford?

The average high-temperature and low-temperature in North Chelmsford during October are 59.9°F (15.5°C) and 45.7°F (7.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 84.2°F (29°C).

What is the average humidity in October in North Chelmsford?

In North Chelmsford, Massachusetts, the average relative humidity in October is 77%.

How much does it rain in North Chelmsford in October?

In North Chelmsford, during October, the rain falls for 13.6 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When does it start snowing in North Chelmsford?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does North Chelmsford have in October?

The average day length in October in North Chelmsford, Massachusetts, is 11h and 2min.

When is the sunrise / sunset in October in North Chelmsford?

On the first day of October in North Chelmsford, Massachusetts, sunrise is at 6:43 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:39 pm EDT.

How long on average sun shines in October in North Chelmsford?

In North Chelmsford, Massachusetts, the average sunshine duration in October is 6h.

What is the UV index reading in October in North Chelmsford?

In October, the average daily maximum UV index in North Chelmsford, Massachusetts, is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
North Chelmsford, MA

Average temperature in October - North Chelmsford, MA
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in October: 45.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure in October
North Chelmsford, MA

Average pressure in October - North Chelmsford, MA
  • 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
North Chelmsford, MA

Average wind speed in October - North Chelmsford, MA
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in October
North Chelmsford, MA

Average humidity in October - North Chelmsford, MA
  • Average humidity in October: 77%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in October
North Chelmsford, MA

Average rainfall in October - North Chelmsford, MA
  • Average rainfall in October: 2.76"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in October
North Chelmsford, MA

Average rainfall days in October - North Chelmsford, MA
  • Average rainfall days in October: 13.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in October
North Chelmsford, MA

Average snowfall in October - North Chelmsford, MA
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
North Chelmsford, MA

Average snowfall days in October - North Chelmsford, MA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (8.3 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
North Chelmsford, MA

Average daylight in October / Average sunshine in October - North Chelmsford, MA
  • 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in October
North Chelmsford, MA

Average sunshine days in October - North Chelmsford, MA
  • Average sunshine days in October: 14.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (13.6 days).

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Average UV index in October
North Chelmsford, MA

Average UV index in October - North Chelmsford, MA
  • 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
North Chelmsford, MA

Average cloud cover in October - North Chelmsford, MA
  • Average cloud cover in October: 44

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in October
North Chelmsford, MA

Average visibility in October - North Chelmsford, MA
  • Average visibility in October: 6mi

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

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North Chelmsford, Massachusetts, USA

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