Thunder Bay, ON Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Thunder Bay for n/a is n/a degrees
The lowest monthly average temperature in Thunder Bay for n/a is n/a degrees
The most monthly precipitation in Thunder Bay occurs in n/a with n/a inches
The air quality index in Thunder Bay is 100% better than the national average
The pollution index in Thunder Bay is 100% better than the national average

Compare Thunder Bay, ON Weather

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Thunder Bay Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	n/a°F	n/a°F	n/a°F	n/a
February	n/a°F	n/a°F	n/a°F	n/a
March	n/a°F	n/a°F	n/a°F	n/a
April	n/a°F	n/a°F	n/a°F	n/a
May	n/a°F	n/a°F	n/a°F	n/a
June	n/a°F	n/a°F	n/a°F	n/a
July	n/a°F	n/a°F	n/a°F	n/a
August	n/a°F	n/a°F	n/a°F	n/a
September	n/a°F	n/a°F	n/a°F	n/a
October	n/a°F	n/a°F	n/a°F	n/a
November	n/a°F	n/a°F	n/a°F	n/a
December	n/a°F	n/a°F	n/a°F	n/a

Thunder Bay air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Thunder Bay	Ontario	National
Air quality index	n/a	n/a	42
Pollution index	n/a	n/a	2,726,193

Thunder Bay air quality

Measurement	Total
Days measured
Days with good air quality
Days with moderate air quality
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Air quality details

Pollutant	Total
Arsenic	n/a%
Benzene	n/a%
Carbon Tetrachloride	n/a%
Lead	n/a%
Mercury	n/a%

Average monthly Thunder Bay temperature with heat index

Thunder Bay monthly precipitation with daily maximum

Thunder Bay monthly snow depth with daily maximum

Thunder Bay monthly wind speed information

Cities with similar population

City	Population	Air Quality Index	National Avg.
Antioch, CA	111,468	45	10.0%
Centennial, CO	111,331	58	16.0%
Lowell, MA	111,311	37	26.0%
Downey, CA	111,263	72	44.0%
Pueblo, CO	111,776	20	60.0%
Thunder Bay, ON	111,499	n/a

Source: The Thunder Bay, ON weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.