October weather forecast
Hopkinton, MA

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Weather in October

October, like September, in Hopkinton, Massachusetts, is another comfortable autumn month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 46.2°F (7.9°C).

Temperature

October's arrival corresponds with a decrease in average high-temperatures, from September's agreeable 73.2°F (22.9°C) to a refreshing 60.8°F (16°C). An average low-temperature of 46.2°F (7.9°C) is noted during the nights in October.

Humidity

In Hopkinton, Massachusetts, the average relative humidity in October is 78%.

Rainfall

In October, the rain falls for 14.6 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. In Hopkinton, during the entire year, the rain falls for 157.5 days and collects up to 29.53" (750mm) of precipitation.

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 Hopkinton, during the entire year, snow falls for 28.8 days and aggregates up to 17.32" (440mm) of snow.

Daylight

In Hopkinton, the average length of the day in October is 11h and 3min.
On the first day of the month, sunrise is at 6:43 am and sunset at 6:27 pm. On the last day of October, sunrise is at 7:18 am and sunset at 5:40 pm EDT.

Sunshine

The average sunshine in October is 6h.

UV index

The average daily maximum UV index in October in Hopkinton is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in October?

The average high-temperature and low-temperature during October are 60.8°F (16°C) and 46.2°F (7.9°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in October in Hopkinton?

In Hopkinton, the average relative humidity in October is 78%.

How much does it rain in Hopkinton in October?

In October, the rain falls for 14.6 days. Throughout October, 2.64" (67mm) of precipitation is accumulated.

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.

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:43 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:40 pm EDT.

How many hours of sunshine does Hopkinton have in October?

The average sunshine duration in October is 6h.

How high is the UV index in October?

In Hopkinton, the average daily maximum UV index in October is 3. A UV Index estimate 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
Hopkinton, MA

Average temperature in October - Hopkinton, MA
  • Average high temperature in October: 60.8°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in October: 46.2°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 (21°F).

Average pressure in October
Hopkinton, MA

Average pressure in October - Hopkinton, 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
Hopkinton, MA

Average wind speed in October - Hopkinton, MA
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in October
Hopkinton, MA

Average humidity in October - Hopkinton, MA
  • Average humidity in October: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

Average rainfall in October
Hopkinton, MA

Average rainfall in October - Hopkinton, MA
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in October
Hopkinton, MA

Average rainfall days in October - Hopkinton, MA
  • Average rainfall days in October: 14.6 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in October
Hopkinton, MA

Average snowfall in October - Hopkinton, MA
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Hopkinton, MA

Average snowfall days in October - Hopkinton, MA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Hopkinton, 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: 6h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Hopkinton, MA

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

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).

Average UV index in October
Hopkinton, MA

Average UV index in October - Hopkinton, 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
Hopkinton, MA

Average cloud cover in October - Hopkinton, 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 33).

Average visibility in October
Hopkinton, MA

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

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

Hopkinton, Massachusetts, USA

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