Back Bay climate

Typical historical weather for Back Bay, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Back Bay.

Annual average

11.2°C

across all months

Warmest month

27°C

Jul average high

Coolest month

-3.4°C

Jan average low

Annual rainfall

1164mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

35.4°C

24 June 2025

Coldest day

-22.7°C

14 February 2016

Wettest day

68.2mm

5 December 2020

Windiest day

11.7m/s

2 March 2018