October weather forecast
Petersham, MA

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Weather in October

October, the same as September, in Petersham, Massachusetts, is another mild autumn month, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 43.3°F (6.3°C).

Temperature

The commencement of October involves a temperature shift, with the average high-temperature dropping from a pleasant 71.2°F (21.8°C) in September to a moderate 58.3°F (14.6°C). Petersham's temperature in October lowers to a consistent average of 43.3°F (6.3°C) during the nights.

Humidity

The average relative humidity in October is 80%.

Rainfall

The month with the most rainfall is October, when the rain falls for 13.5 days and typically aggregates up to 2.8" (71mm) of precipitation.

Snowfall

Months with snowfall in Petersham are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 43.1 snowfall days, and 25.75" (654mm) of snow is accumulated.

Daylight

In Petersham, the average length of the day in October is 11h and 2min.
On the first day of October in Petersham, sunrise is at 6:46 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:42 pm EDT.

Sunshine

In October, the average sunshine is 5.7h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 2 during October translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. 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. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

The high-temperature during October is 58.3°F (14.6°C) and the low-temperature is 43.3°F (6.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 86°F (30°C).

What is the average humidity in October?

In October, the average relative humidity is 80%.

What is the wettest month?

The month with the most rainfall is October, when the rain falls for 13.5 days and typically aggregates up to 2.8" (71mm) of precipitation.

How many days does it rain in October?

In October, the rain falls for 13.5 days. Throughout October, 2.8" (71mm) of precipitation is accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow.

What is the average length of the day in October?

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

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:46 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:42 pm EDT.

How many hours of sunshine does Petersham have in October?

The average sunshine duration in October is 5.7h.

What are the months with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in October?

In Petersham, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Petersham, MA

Average temperature in October - Petersham, MA
  • Average high temperature in October: 58.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in October: 43.3°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in October
Petersham, MA

Average pressure in October - Petersham, 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 (29.92"Hg).

Average wind speed in October
Petersham, MA

Average wind speed in October - Petersham, MA
  • Average wind speed in October: 6.8mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in October
Petersham, MA

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

Average rainfall in October
Petersham, MA

Average rainfall in October - Petersham, MA
  • Average rainfall in October: 2.8"

The wettest month (with the highest rainfall) is October (2.8").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in October
Petersham, MA

Average rainfall days in October - Petersham, MA
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in October
Petersham, MA

Average snowfall in October - Petersham, MA
  • Average snowfall in October: 0.47"

The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Petersham, MA

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

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Petersham, MA

Average daylight in October / Average sunshine in October - Petersham, MA
  • Average daylight in October: 11h and 0min

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 6min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in October
Petersham, MA

Average sunshine days in October - Petersham, MA
  • Average sunshine days in October: 14.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (13 days).

Average UV index in October
Petersham, MA

Average UV index in October - Petersham, MA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in October
Petersham, MA

Average cloud cover in October - Petersham, MA
  • Average cloud cover in October: 46

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in October
Petersham, MA

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

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

Petersham, Massachusetts, USA

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