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

June weather forecast and climate
Boston, MA

A beautiful natural park with the George Washington Monument in Boston, Massachusetts, with a sneak view of the city skyscrapers
A beautiful natural park with the George Washington Monument in Boston, Massachusetts, with a sneak view of the city skyscrapers
June has varying weather, appreciative to being a transitional month into summer. The first half is warm and pleasant and the second half sees Boston's temperature rise to the range of 59.5°F (15.3°C) and 75.9°F (24.4°C). Occasionally, the temperature rises higher to 86°F (30°C), and this sees the first of the heat waves hit Boston. The nights, though, are cool and tolerable.
The daylight hours are elongated to fifteen per day, and touring Boston continues into the evening, as does participating in the wonderful festivities. Afternoon showers are mildly higher, falling for approximately eleven days and collecting relatively high precipitation of 3.7" (94mm).

What is the temperature in Junio in Boston?

In Boston, Massachusetts, in Junio, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in Junio in Boston?

In Junio, the average relative humidity is 68.5%.

How many days does it rain in Junio in Boston?

In Boston, Massachusetts, during Junio, the rain falls for 10.9 days and regularly aggregates up to 3.68" (93.5mm) of precipitation.

When it does not snow in Boston?

Mayo through Octubre are months without snowfall.

What is the water temperature in Junio in Boston?

In Junio, the average ocean temperature in Boston, Massachusetts, 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?

Junio has the longest days of the year, with an average of 15.2h of daylight.

How many hours of daylight does Boston have in Junio?

In Boston, Massachusetts, the average length of the day in Junio is 15.2h.

How many hours of sunshine does Boston have in Junio?

In Junio, the average sunshine is 9.6h.

What are the months with the highest UV index in Boston?

Months with the highest UV index in Boston, Massachusetts, are Junio through Agosto, with an average maximum UV index of 8.

How high is the UV index in Junio in Boston?

In Junio, the average daily maximum UV index in Boston is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in June - Boston, MA
  • Average high temperature in June: 75.9°F

The warmest month (with the highest average high temperature) is July (81.4°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in June: 59.5°F

The month with the highest average low temperature is July (65.4°F).
The coldest month (with the lowest average low temperature) is January (22.2°F).

Average humidity in June - Boston, MA
  • Average humidity in June: 68.5%

The month with the highest relative humidity is September (71.8%).
The month with the lowest relative humidity is February (62%).

Average rainfall in June - Boston, MA
  • Average rainfall in June: 3.7"

The wettest month (with the highest rainfall) is March (4.3").
The driest month (with the lowest rainfall) is February (3.3").

Average rainfall days in June - Boston, MA
  • Average rainfall days in June: 10.9 days

The month with the highest number of rainy days is May (12 days).
The month with the lowest number of rainy days is September (8.6 days).

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

The month with the highest snowfall is January (12.9").
Months with the lowest snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (6.7 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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).

Average daylight in June / Average sunshine in June - Boston, MA
  • Average daylight in June: 15.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in June: 9.6h

The month with most sunshine is July (Average sunshine: 9.7h).
The month with least sunshine is December (Average sunshine: 4.6h).

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

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