St. Thomas, MO Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY	37
PRESSURE	102240
WIND COND.	150 11.2

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Weather Quick Facts

The highest monthly average temperature in St. Thomas for August is 80.1 degrees
The lowest monthly average temperature in St. Thomas for January is 33.1 degrees
The most monthly precipitation in St. Thomas occurs in August with 13.2 inches
The air quality index in St. Thomas is 7% better than the national average
The pollution index in St. Thomas is 71% better than the national average

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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	26°F	43°F	33°F	9.7"
February	27°F	46°F	35°F	3.9"
March	38°F	62°F	49°F	4.6"
April	45°F	68°F	56°F	6.4"
May	57°F	79°F	68°F	3.6"
June	66°F	87°F	76°F	8.9"
July	67°F	90°F	79°F	2.3"
August	70°F	91°F	80°F	13.2"
September	61°F	83°F	71°F	7.3"
October	49°F	71°F	59°F	4.0"
November	37°F	59°F	47°F	4.3"
December	26°F	43°F	34°F	4.1"

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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	Missouri	National
Air quality index	39	97	42
Pollution index	803,186	1,630,255	2,726,193

St. Thomas air quality

Measurement	Total
Days measured	245
Days with good air quality	238
Days with moderate air quality	7
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.001%
Benzene	0.010%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.000%

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

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Vienna, MO	897	39	22.0%
Lohman, MO	210	39	22.0%
Argyle, MO	168	39	22.0%
Meta, MO	172	39	22.0%
Russellville, MO	832	39	22.0%
St. Thomas, MO	292	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Idledale, CO	292	58	16.0%
Baldwin, IL	292	54	8.0%
Campbell Hill, IL	292	43	14.0%
Joy, IL	292	32	36.0%
Vallonia, IN	292	35	30.0%
St. Thomas, MO	292	39	22.0%

Source: The St. Thomas, MO 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.