Port Isabel, TX Weather - Forecast & Monthly Averages

TEMPERATURE	55
HUMIDITY	86
PRESSURE	102240
WIND COND.	290 7.6

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Weather Quick Facts

The highest monthly average temperature in Port Isabel for August is 85.7 degrees
The lowest monthly average temperature in Port Isabel for January is 60.5 degrees
The most monthly precipitation in Port Isabel occurs in September with 5.5 inches
The air quality index in Port Isabel is 5% worse than the national average
The pollution index in Port Isabel is 19% better than the national average

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Port Isabel 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	52°F	71°F	61°F	1.1"
February	57°F	75°F	65°F	1.1"
March	62°F	79°F	69°F	1.0"
April	69°F	84°F	76°F	1.0"
May	74°F	88°F	80°F	2.1"
June	77°F	92°F	84°F	2.1"
July	78°F	93°F	85°F	2.5"
August	78°F	94°F	86°F	0.8"
September	76°F	91°F	82°F	5.5"
October	70°F	87°F	78°F	2.0"
November	62°F	79°F	70°F	1.8"
December	56°F	73°F	63°F	1.4"

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Port Isabel 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	Port Isabel	Texas	National
Air quality index	44	52	42
Pollution index	2,200,010	2,009,300	2,726,193

Port Isabel air quality

Measurement	Total
Days measured	365
Days with good air quality	236
Days with moderate air quality	129
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.020%
Carbon Tetrachloride	0.010%
Lead	0.020%
Mercury	0.001%

Average monthly Port Isabel temperature with heat index

Port Isabel monthly precipitation with daily maximum

Port Isabel monthly snow depth with daily maximum

Port Isabel monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
South Point, TX	1,197	44	12.0%
Laguna Vista, TX	3,172	44	12.0%
Villa Pancho, TX	378	44	12.0%
Orason, TX	555	44	12.0%
Bayview, TX	662	44	12.0%
Port Isabel, TX	6,278	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Walker, LA	6,278	45	10.0%
Carmel Hamlet, NY	6,278	36	28.0%
Seneca Falls, NY	6,276	37	26.0%
Bellefonte, PA	6,276	44	12.0%
Saint-Paul, QC	6,280	n/a
Port Isabel, TX	6,278	44	12.0%

Source: The Port Isabel, TX 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.