St. Thomas, ND Weather - Forecast & Monthly Averages

TEMPERATURE	27
HUMIDITY	100
PRESSURE	101390
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in St. Thomas for July is 68.1 degrees
The lowest monthly average temperature in St. Thomas for January is 6.1 degrees
The most monthly precipitation in St. Thomas occurs in January with 19.8 inches
The air quality index in St. Thomas is 22% better than the national average
The pollution index in St. Thomas is 80% 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	-3°F	16°F	6°F	19.8"
February	-2°F	18°F	7°F	6.0"
March	14°F	33°F	23°F	3.3"
April	30°F	53°F	40°F	1.1"
May	41°F	67°F	53°F	3.3"
June	52°F	76°F	63°F	4.2"
July	56°F	81°F	68°F	2.7"
August	53°F	80°F	66°F	2.2"
September	46°F	73°F	58°F	2.6"
October	34°F	56°F	44°F	1.9"
November	19°F	37°F	27°F	1.3"
December	2°F	19°F	10°F	9.7"

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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	North Dakota	National
Air quality index	33	35	42
Pollution index	536,122	1,038,665	2,726,193

St. Thomas air quality

Measurement	Total
Days measured	363
Days with good air quality	327
Days with moderate air quality	34
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.020%
Mercury	0.004%

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.
Hoople, ND	265	33	34.0%
Grafton, ND	4,139	33	34.0%
Canton City, ND	19	33	34.0%
Drayton, ND	803	33	34.0%
Hamilton, ND	58	33	34.0%
St. Thomas, ND	340	33	34.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
St. Michael, AK	340	31	38.0%
Cazadero, CA	340	34	32.0%
Chilcoot-Vinton, CA	340	46	8.0%
St. Marks, FL	340	40	20.0%
Ryan, IA	340	39	22.0%
St. Thomas, ND	340	33	34.0%

Source: The St. Thomas, ND 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.