October weather forecast
North Chelmsford, MA

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Weather in October

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

Temperature

In North Chelmsford, entering October brings a temperature decrement, reducing from September's pleasant 72.5°F (22.5°C) to a refreshing 59.9°F (15.5°C). An average nighttime temperature of 45.7°F (7.6°C) is witnessed in North Chelmsford, Massachusetts throughout October.

Humidity

The average relative humidity in October is 77%.

Rainfall

In North Chelmsford, during October, the rain falls for 13.6 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 145.9 rainfall days, and 27.48" (698mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. 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 October, the average length of the day 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

The average sunshine in October is 6h.

UV index

In October, the average daily maximum UV index in North Chelmsford is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In North Chelmsford, in October, the average high-temperature is 59.9°F (15.5°C), and the average low-temperature is 45.7°F (7.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 84.2°F (29°C).

What is the average humidity in October?

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

How many days does it rain in October?

In North Chelmsford, in October, it is raining for 13.6 days, with typically 2.76" (70mm) of accumulated precipitation.

When does it start snowing?

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 is 11h and 2min.

When are sunrise and sunset in October?

In October, on the first day of the month, 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 many hours of sunshine does North Chelmsford have in October?

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

What is the UV index reading in October?

The average daily maximum UV index in October in North Chelmsford is 3. A UV Index reading of 3 to 5 represents a medium health risk 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

North Chelmsford, Massachusetts, USA

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