Boston
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast
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June weather forecast and Climate
Boston, MA

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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 partaking of the wonderful festivities. Afternoon showers are mildly higher, falling for approximately eleven days and collecting fairly high precipitation of 3.7" (94mm).
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  • The 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).

  • The 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).

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  • The 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%).

  • The 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").

  • The 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).

  • The 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").

  • The 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).

  • The 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).

  • The average daylight in June: 15h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The 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).

  • The 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).

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