St. Thomas, ON Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

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

Compare St. Thomas, ON Weather

Write a review to give others more information about this area.

St. Thomas 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

St. Thomas 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	St. Thomas	Ontario	National
Air quality index	n/a	n/a	42
Pollution index	n/a	n/a	2,726,193

St. Thomas 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 St. Thomas temperature with heat index

St. Thomas monthly precipitation with daily maximum

St. Thomas monthly snow depth with daily maximum

St. Thomas monthly wind speed information

Cities with similar population

City	Population	Air Quality Index	National Avg.
Vaudreuil-Dorion, QC	42,920	n/a
Winter Haven, FL	42,933	36	28.0%
Goose Creek, SC	42,944	38	24.0%
Fond du Lac, WI	42,944	36	28.0%
Campbell, CA	42,891	43	14.0%
St. Thomas, ON	42,918	n/a

Source: The St. Thomas, 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.