Weather in Boston in June 2025
Average weather
Average temperature in Boston in June
The temperature in June is +23°C on average, with a range between a maximum of +32°C during the day and a minimum of +8°C at night.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +32°C to +27°C.
Is Boston warm or cold in June?
Boston is typically warm in June.
Maximum temperatures go up compared to the previous month from +19°C to +24°C. The minimum temperature also goes up from +10°C to +15°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
June is one of the warmest months in Boston, here is the comparison with other months:
Water temperature in Boston in June
Water in Boston in June is Cold. It varies from +11°C to +17°C, with an average of +14°C. The air temperature averaging +24°C is higher than the water temperature.
In June, water temperatures are average relative to the rest of the year:
Can you swim in Boston in June?
Climate in Boston in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +19°C | +24°C | +27°C | ||||
| Min. temperature | ||||||
| +1°C | +7°C | +10°C | ||||
| Max. temperature | ||||||
| +35°C | +36°C | +38°C | ||||
| Rainfall | ||||||
| 99 mm | 113 mm | 114 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +9°C | +14°C | +19°C | ||||
| Humidity | ||||||
| 67% | 69% | 69% | ||||
| Air pressure | ||||||
| 1014 HPa | 1013 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 4 | 3 | 3 | ||||
| Cloudy days | ||||||
| 10 | 11 | 11 | ||||
| Rainy days | ||||||
| 16 | 14 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as good as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +19°C to +24°C during the day. Prepare for more rain. Average rainfall goes from 99 mm to 113 mm. Humidity rises from 67% to 69%. Winds are calmer in comparison to May, going down from 4 m/s to 3 m/s on average. The days becoming less sunny, going from 4 sunny days in May to 3 in June.
July brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Boston is gradually decreasing during June, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last June in Boston?
Climate Change over Years
The climate in Boston in June has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+14°C) and the highest in 2022 (+17°C). The driest year was 2016 with only 702 mm of rainfall, and the wettest year was 2021 with 2022 mm.
FAQ
Is June a good time to visit Boston?
Can you sunbathe in Boston in June?
Can you swim in Boston in June?
Is Boston rainy in June?
Is it sunny in Boston in June?
Other cities in USA
Monthly weather in Boston
Source of the data
For this page, we’ve looked at the typical weather in Boston, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.