October weather forecast
Charlton, MA

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Weather in October

October, like September, is a moderate autumn month in Charlton, Massachusetts, with an average temperature fluctuating between 45.1°F (7.3°C) and 59.9°F (15.5°C).

Temperature

The average high-temperature decreases in October, shifting from a pleasant 72°F (22.2°C) in September to a mild 59.9°F (15.5°C). Throughout October, the temperature in Charlton falls to an average low of 45.1°F (7.3°C).

Humidity

In October, the average relative humidity in Charlton is 80%.

Rainfall

In Charlton, Massachusetts, during October, the rain falls for 13.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 151.1 rainfall days, and 31.26" (794mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Charlton. October is the first month it typically snows in Charlton. Throughout October, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow. In Charlton, during the entire year, snow falls for 37.7 days and aggregates up to 20.59" (523mm) of snow.

Daylight

The average length of the day in October in Charlton is 11h and 4min.
On the first day of October in Charlton, Massachusetts, sunrise is at 6:45 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:42 pm EDT.

Sunshine

The average sunshine in October is 5.7h.

UV index

In October, the average daily maximum UV index in Charlton, Massachusetts, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Enhance your sun protection with tightly woven, yet airy clothing. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What are October temperatures in Charlton?

The high-temperature, in October, in Charlton, is 59.9°F (15.5°C), while the low-temperature averages to 45.1°F (7.3°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is computed to be 86°F (30°C).

What is the average humidity in October in Charlton?

In Charlton, the average relative humidity in October is 80%.

How many days does it rain in October in Charlton?

In Charlton, in October, during 13.9 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When does it start snowing in Charlton?

October is the first month it typically snows in Charlton. Throughout October, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow.

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

In Charlton, the average day length in October is 11h and 4min.

When is the sunrise / sunset in October in Charlton?

In October, on the first day of the month, sunrise is at 6:45 am and sunset at 6:28 pm. On the last day of the month, in Charlton, sunrise is at 7:20 am and sunset at 5:42 pm EDT.

How long on average sun shines in October in Charlton?

In Charlton, the average sunshine duration in October is 5.7h.

What is the UV index intensity in October in Charlton?

In Charlton, Massachusetts, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Charlton, MA

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

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 45.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in October
Charlton, MA

Average pressure in October - Charlton, MA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Charlton, MA

Average wind speed in October - Charlton, MA
  • Average wind speed in October: 7.5mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in October
Charlton, MA

Average humidity in October - Charlton, MA
  • Average humidity in October: 80%

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
Charlton, MA

Average rainfall in October - Charlton, MA
  • Average rainfall in October: 2.76"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in October
Charlton, MA

Average rainfall days in October - Charlton, MA
  • Average rainfall days in October: 13.9 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are January and February (7.8 days).

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Average snowfall in October
Charlton, MA

Average snowfall in October - Charlton, MA
  • Average snowfall in October: 0.43"

The months with the highest snowfall are February and March (5.08").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Charlton, MA

Average snowfall days in October - Charlton, MA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is March (9.1 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
Charlton, MA

Average daylight in October / Average sunshine in October - Charlton, MA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in October
Charlton, MA

Average sunshine days in October - Charlton, MA
  • Average sunshine days in October: 14.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in October
Charlton, MA

Average UV index in October - Charlton, MA
  • Average UV index in October: 3

The months with the highest UV index are June and July (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
Charlton, MA

Average cloud cover in October - Charlton, MA
  • Average cloud cover in October: 47

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in October
Charlton, MA

Average visibility in October - Charlton, MA
  • Average visibility in October: 5mi

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

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Charlton, Massachusetts, USA

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