Nantucket
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Nantucket, MA

Beautiful homes built on the water overlooking the boats on the water below, in Nantucket, Massachusetts, with stunning pink, sun rays
Beautiful homes built on the water overlooking the boats on the water below, in Nantucket, Massachusetts, with stunning pink, sun rays
October, like September, in Nantucket, Massachusetts, is another enjoyable autumn month, with average temperature ranging between max 60.8°F (16°C) and min 47.5°F (8.6°C).

Temperature

In Nantucket, the average high-temperature slightly decreases, from an agreeable 69.4°F (20.8°C) in September, to a comfortable 60.8°F (16°C). The average low-temperature, is 47.5°F (8.6°C).

Rainfall

In Nantucket, during 9 rainfall days, 3.9" (99.6mm) of precipitation is typically accumulated. Throughout the year, there are 120 rainfall days, and 44.4" (1128.3mm) of precipitation is accumulated.

Snowfall

In Nantucket, Massachusetts, it doesn't snow. In November, it regularly snows. In Nantucket, during the entire year, snow aggregates up to 29.3" (744.2mm).

Ocean temperature

In Nantucket, the average water temperature is 59.9°F (15.5°C). For swimming, a surface water temperature of 59.9°F (15.5°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In October, the average length of the day in Nantucket is 11.1h.

Sunshine

The average sunshine in Nantucket is 7h.

UV index

The average daily maximum UV index in Nantucket is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
The average daily UV index of 4 in October transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in October in Nantucket?

In October, in Nantucket, the average high-temperature is 60.8°F (16°C), and the average low-temperature is 47.5°F (8.6°C).

How much does it rain in Nantucket in October?

In Nantucket, in October, during 9 rainfall days, 3.9" (99.6mm) of precipitation is typically accumulated.

Does it snow in Nantucket in October?

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

What is the ocean temperature in October in Nantucket?

In Nantucket, in October, the average water temperature is 59.9°F (15.5°C). For swimming, a surface water temperature of 59.9°F (15.5°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Nantucket have in October?

In Nantucket, Massachusetts, the average length of the day in October is 11.1h.

How long on average sun shines in October in Nantucket?

In Nantucket, Massachusetts, the average sunshine in October is 7h.

How high is the UV index in October in Nantucket?

In Nantucket, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in October - Nantucket, MA
  • Average high temperature in October: 60.8°F

The warmest month (with the highest average high temperature) is July (75.1°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in October: 47.5°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (25.1°F).

Average rainfall in October - Nantucket, MA
  • Average rainfall in October: 3.9"

The wettest month (with the highest rainfall) is November (4.4").
The driest month (with the lowest rainfall) is February (2.7").

Average rainfall days in October - Nantucket, MA
  • Average rainfall days in October: 9 days

The month with the highest number of rainy days is December (13 days).
The month with the lowest number of rainy days is July (7 days).

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

The month with the highest snowfall is February (8.5").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average sea temperature in October - Nantucket, MA
  • Average sea temperature in October: 59.9°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

Average daylight in October / Average sunshine in October - Nantucket, MA
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in October: 7h

The month with most sunshine is June (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in October - Nantucket, MA
  • Average UV index in October: 4

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).