Boston Weather in June

United States · Humid Continental climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)

Written by David Chen · Edited by Maria Volkov · Last reviewed August 17, 2026
Avg High
25.8°C
78.4°F
Avg Low
15.4°C
59.7°F
Mean Temp
20.4°C
68.7°F
Rainfall
75.6 mm
16.8 rainy days
Sunshine
11.4 hrs
per day average
Humidity
69.8%
relative humidity
Wind
19.8 km/h
avg max wind
UV Index
—
not available
Snowfall
—
none

June in Boston sees average temperatures ranging from a low of 15.4°C (59.7°F) to a high of 25.8°C (78.4°F), with a mean of 20.4°C (68.7°F). Compared to the annual average of 11.2°C (52.2°F), this month is 9.2°C warmer than the yearly norm. Precipitation averages 75.6mm, making it approximately 26.0mm drier than the monthly average of 102.0mm. The city receives an average of 11.4 hours of sunshine per day during June, with relative humidity averaging 69.8%. Wind speeds reach an average maximum of 19.8 km/h. For travelers, this month offers a temperature experience in Boston, with drier-than-average conditions compared to the rest of the year.

Writer's Note — David Chen on June

Boston's four distinct seasons make it one of the most dynamic New England cities for climate study. I've tracked the data and found that the city experiences beautiful autumns, cold winters, mild springs, and warm summers. The best time for visiting is May to October, with September being the ideal month for comfortable temperatures and the famous fall foliage.

June vs Adjacent Months

MetricMayJuneJuly
Mean Temp 14.8°C (58.6°F) 20.4°C (68.7°F) 23.8°C (74.8°F)
Rainfall 86.9mm 75.6mm 118.5mm
Sunshine 10.8 hrs 11.4 hrs 11.2 hrs
Humidity 66.2% 69.8% 73.0%
Wind 21.3 km/h 19.8 km/h 18.9 km/h
Rainy Days 14.0 16.8 18.2

Seasonal Context

June falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Boston in June, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.

Frequently Asked Questions

What is the average temperature in Boston in June?

The average temperature in Boston during June ranges from 15.4°C (59.7°F) to 25.8°C (78.4°F), with a mean of 20.4°C (68.7°F).

How much does it rain in Boston in June?

Boston receives an average of 75.6mm of precipitation in June, spread across approximately 16.8 rainy days.

What should I pack for Boston in June?

Based on June weather data, pack layers including light jackets and t-shirts, plus an umbrella.

Is June a good time to visit Boston?

June is a good time to visit Boston, with comfortable temperatures and manageable rainfall.

Other Months for Boston

Cities with Similar June Climate (Humid Continental)

Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 42.36°, -71.06°. Timezone: America/New_York. Last updated: 2026-07-30.