June weather forecast
Boston, MA

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A beautiful natural park with the George Washington Monument in Boston, Massachusetts
A beautiful natural park with the George Washington Monument in Boston, Massachusetts

Weather in June

For Boston, June marks the onset of summer. The weather becomes warmer than that witnessed in May, and temperatures continue to climb. The city experiences a high of 74.3°F (23.5°C) and a low of 57.6°F (14.2°C). The extended daylight hours cater to evening gatherings, park outings, and barbecues. June is also a popular time for tourists due to the numerous summer events and festivals that take place.

Temperature

The commencement of June in Boston sees a minor shift in the average high-temperature, moving from an enjoyable 66.4°F (19.1°C) in May to a warm 74.3°F (23.5°C). Nighttime temperature dips to a mean of 57.6°F (14.2°C) during June.

Humidity

In June, the average relative humidity is 74%.

Rainfall

In Boston, in June, it is raining for 13.6 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in Boston, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Boston, Massachusetts.

Ocean temperature

In Boston, the average seawater temperature in June is 58.5°F (14.7°C).
Note: Beware of 58.5°F (14.7°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.

Daylight

With an average of 15h and 12min of daylight, June has the longest days of the year.
On the first day of June in Boston, Massachusetts, sunrise is at 5:09 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:25 pm EDT.

Sunshine

In June, the average sunshine is 9.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Boston. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In June, an average UV index of 6 transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for Boston in June?

In June, the average high-temperature and low-temperature in Boston, Massachusetts, are 74.3°F (23.5°C) and 57.6°F (14.2°C) respectively.

What is the average humidity in June in Boston?

The average relative humidity in June in Boston is 74%.

How many days does it rain in June in Boston?

In Boston, during June, the rain falls for 13.6 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Boston?

June through September are months without snowfall.

Does it snow in Boston in June?

In June, in Boston, Massachusetts, it doesn't snow. May is the latest month when it typically snows.

What is the ocean temperature in June in Boston?

In Boston, the average seawater temperature in June is 58.5°F (14.7°C). Swimming in 58.5°F (14.7°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 Boston?

With an average of 15h and 12min of daylight, June has the longest days of the year.

How many hours of daylight does Boston have in June?

In June, the average day length in Boston, Massachusetts, is 15h and 14min.

What time are sunrise and sunset in June in Boston?

In June, on the first day of the month, sunrise is at 5:09 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:25 pm EDT.

How long on average sun shines in June in Boston?

In June, the average sunshine duration is 9.1h.

When is the highest UV index in Boston?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in June in Boston?

The average daily maximum UV index in June in Boston, Massachusetts, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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 June
Boston, MA

Average temperature in June - Boston, MA
  • Average high temperature in June: 74.3°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 (34.2°F).

  • Average low temperature in June: 57.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in June
Boston, MA

Average pressure in June - Boston, MA
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in June
Boston, MA

Average wind speed in June - Boston, MA
  • Average wind speed in June: 6.8mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in June
Boston, MA

Average humidity in June - Boston, MA
  • Average humidity in June: 74%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in June
Boston, MA

Average rainfall in June - Boston, MA
  • Average rainfall in June: 2.13"

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in June
Boston, MA

Average rainfall days in June - Boston, MA
  • Average rainfall days in June: 13.6 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in June
Boston, MA

Average snowfall in June - Boston, MA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Boston, MA

Average snowfall days in June - Boston, MA
  • Average snowfall days in June: 0 days

The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in June
Boston, MA

Average sea temperature in June - Boston, MA
  • Average sea temperature in June: 58.4°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).

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Average daylight in June /
Average sunshine in June
Boston, MA

Average daylight in June / Average sunshine in June - Boston, MA
  • Average daylight in June: 15h 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 6min).

  • Average sunshine in June: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in June
Boston, MA

Average sunshine days in June - Boston, MA
  • Average sunshine days in June: 14.8 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index in June
Boston, MA

Average UV index in June - Boston, MA
  • Average UV index in June: 6

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).

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Average cloud cover in June
Boston, MA

Average cloud cover in June - Boston, MA
  • Average cloud cover in June: 41

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in June
Boston, MA

Average visibility in June - Boston, MA
  • Average visibility in June: 6mi

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

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Boston, Massachusetts, USA

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