Thunder Bay climate guide, Ontario
Welcome to the Thunder Bay climate guide, which shows average weather for Thunder Bay, Ontario, Canada. Check maximum temperature, the number of days with rainfall, sea temperature and daily hours of sunshine for each month of the year.
Thunder Bay climate guide: quick links
Maximum temperature (°C) in Thunder Bay
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Days with some rain in Thunder Bay
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Hours of sunshine in Thunder Bay
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sea temperature (°C) in Thunder Bay
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Thunder Bay climate guide is provided by Weather2Travel.com. For more information about the weather in Thunder Bay, Ontario, Canada including monthly rainfall, mininum temperature, UV maximum, heat & humidity and daylight hours visit the Thunder Bay climate guide page.