October weather forecast
Grafton, MA

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Weather in October

October, like September, is another mild autumn month in Grafton, Massachusetts, with an average temperature ranging between max 59.9°F (15.5°C) and min 45.7°F (7.6°C).

Temperature

In the transition to October, Grafton observes a drop in the average high-temperature, moving from a pleasant 72.7°F (22.6°C) in September to a mild 59.9°F (15.5°C). Grafton reports a consistent average low-temperature of 45.7°F (7.6°C) throughout October nights.

Humidity

In Grafton, the average relative humidity in October is 79%.

Rainfall

In Grafton, in October, during 14 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Grafton, during the entire year, the rain falls for 152.2 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In October, the average length of the day is 11h and 3min.
On the first day of the month, sunrise is at 6:44 am and sunset at 6:27 pm. On the last day of October, sunrise is at 7:19 am and sunset at 5:41 pm EDT.

Sunshine

In Grafton, the average sunshine in October is 5.8h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What is the temperature in October?

During October, Grafton experiences an average high-temperature of 59.9°F (15.5°C) and a low-temperature of 45.7°F (7.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 87.8°F (31°C).

What is the average humidity in October?

The average relative humidity in October is 79%.

How much does it rain in Grafton in October?

In October, the rain falls for 14 days. Throughout October, 2.72" (69mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

Does it snow in Grafton in October?

In Grafton, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Grafton have in October?

In October, the average day length is 11h and 3min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:44 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:41 pm EDT.

How many hours of sunshine does Grafton have in October?

In October, the average sunshine duration is 5.8h.

What is the UV index reading in October in Grafton?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Grafton, MA

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

The warmest month (with the highest average high temperature) is July (81.7°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 (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in October
Grafton, MA

Average pressure in October - Grafton, 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 (29.93"Hg).

Average wind speed in October
Grafton, MA

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

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in October
Grafton, MA

Average humidity in October - Grafton, MA
  • Average humidity in October: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in October
Grafton, MA

Average rainfall in October - Grafton, MA
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in October
Grafton, MA

Average rainfall days in October - Grafton, MA
  • Average rainfall days in October: 14 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in October
Grafton, MA

Average snowfall in October - Grafton, MA
  • Average snowfall in October: 0"

The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Grafton, MA

Average snowfall days in October - Grafton, MA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in October / Average sunshine in October - Grafton, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Grafton, MA

Average sunshine days in October - Grafton, MA
  • Average sunshine days in October: 14.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in October
Grafton, MA

Average UV index in October - Grafton, 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
Grafton, MA

Average cloud cover in October - Grafton, MA
  • Average cloud cover in October: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in October
Grafton, MA

Average visibility in October - Grafton, MA
  • Average visibility in October: 6mi

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

Grafton, Massachusetts, USA

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