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

June 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
The first month of the summer, June, is a pleasant month in Nantucket, Massachusetts, with average temperature fluctuating between 68°F (20°C) and 55.6°F (13.1°C).

Temperature

In June, the average high-temperature marginally rises, from a mild 59.7°F (15.4°C) in May, to an agreeable 68°F (20°C). The average low-temperature, in Nantucket, Massachusetts, is 55.6°F (13.1°C).

Rainfall

In Nantucket, during June, the rain falls for 8 days and regularly aggregates up to 3.5" (88.6mm) of precipitation. Throughout the year, in Nantucket, there are 120 rainfall days, and 44.4" (1128.3mm) of precipitation is accumulated.

Snowfall

In Nantucket, Massachusetts, during the entire year, snow aggregates up to 29.3" (744.2mm).

Ocean temperature

In Nantucket, the average seawater temperature is 57.2°F (14°C). Swimming in 57.2°F (14°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

With an average of 15.1h of daylight, June has the longest days of the year in Nantucket.

Sunshine

With an average of 9h of sunshine, June has the most sunshine of the year in Nantucket.

UV index

Months with the highest UV index in Nantucket are June through August, with an average maximum UV index of 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 8 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in June in Nantucket?

In June, in Nantucket, the average high-temperature is 68°F (20°C), and the average low-temperature is 55.6°F (13.1°C).

How many days does it rain in June in Nantucket?

In Nantucket, Massachusetts, in June, during 8 rainfall days, 3.5" (88.6mm) of precipitation is typically accumulated.

How cold is the water in June in Nantucket?

In Nantucket, Massachusetts, the average seawater temperature in June is 57.2°F (14°C). Swimming in 57.2°F (14°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Nantucket?

June has the longest days of the year in Nantucket, with an average of 15.1h of daylight.

How many hours of daylight does Nantucket have in June?

In Nantucket, the average length of the day in June is 15.1h.

What month has the most sunshine in Nantucket?

With an average of 9h of sunshine, June has the most sunshine of the year in Nantucket, Massachusetts.

How many hours of sunshine does Nantucket have in June?

In Nantucket, Massachusetts, the average sunshine in June is 9h.

What is the month with the highest UV index in Nantucket?

Months with the highest UV index in Nantucket are June through August, with an average maximum UV index of 8.

How high is the UV index in June in Nantucket?

In June, the average daily maximum UV index in Nantucket, Massachusetts, is 8. A UV Index value of 8 to 10 symbolizes a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in June - Nantucket, MA
  • Average high temperature in June: 68°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 June: 55.5°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 June - Nantucket, MA
  • Average rainfall in June: 3.5"

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 June - Nantucket, MA
  • Average rainfall days in June: 8 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 June - Nantucket, MA
  • Average snowfall in June: 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 June - Nantucket, MA
  • Average sea temperature in June: 57.1°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 June / Average sunshine in June - Nantucket, MA
  • Average daylight in June: 15.1h

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 June: 9h

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 June - Nantucket, MA
  • Average UV index in June: 8

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).