St. Martinville, LA Weather

St. Martinville weather forecast

  • Temperature:76°F
  • Humidity:91%
  • Pressure:30.02inHg
  • Wind speed:8mph
  • Direction:Northeast
  • Gusts:n/a

Update from New Iberia, Acadiana Regional Airport, LA on 1 Sep 5:53 AM EDT

Forecasted weather

Overnight

Slight Chance T-storms

74°F 20% POP

Tuesday

Chance T-storms

93°F 30% POP

Tuesday Night

Slight Chance T-storms

73°F 20% POP

Wednesday

Slight Chance T-storms

92°F 20% POP

Wednesday Night

Chance T-storms

73°F 30% POP

Thursday

Chance T-storms

92°F 30% POP

Thursday Night

Slight Chance T-storms

73°F 20% POP

Friday

Chance T-storms

93°F 30% POP

Friday Night

Mostly Cloudy

74°F

Saturday

Chance T-storms

93°F 40% POP

Saturday Night

Slight Chance T-storms

73°F 20% POP

Sunday

Chance T-storms

93°F 50% POP

Sunday Night

Chance T-storms

74°F 30% POP

Labor Day

Chance T-storms

91°F 50% POP

St. Martinville average temperature

MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January26°F80°F55°F3.5"
February28°F81°F57°F3.6"
March30°F85°F63°F2.8"
April37°F90°F69°F3.5"
May52°F99°F76°F3.8"
June62°F102°F81°F3.2"
July68°F101°F82°F5.0"
August66°F102°F82°F4.0"
September55°F97°F78°F4.3"
October35°F93°F69°F4.2"
November31°F86°F60°F2.3"
December25°F82°F54°F5.8"
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in St. Martinville is July at 81.9 degrees. The coldest average temperature in St. Martinville is December at 54.3 degrees. The most monthly precipitation in St. Martinville occurs in December with 5.8 inches. The St. Martinville weather information is based on the average of the previous 3-7 years of data.

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St. Martinville air quality index & pollution index

IndexSt. MartinvilleLouisianaNational
Air quality index4410650
Pollution index1,607,1402,508,4785,072,052
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The St. Martinville, LA air quality index is a median value which considers the most hazardous air pollutants. The St. Martinville, LA air quality index is 58.6% less than the Louisiana average and 11.5% less than the national average.

The St. Martinville, LA pollution index is the sum of the most hazardous air pollutants displayed in pounds. The St. Martinville, LA pollution index is 35.9% less than the Louisiana average and 68.3% less than the national average.

Air quality information

MeasurementTotal
Days measured365
Days with good air quality230
Days with moderate air quality134
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Air pollution information

PollutantTotal
Arsenic0.000%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.000%
Mercury0.000%

Average monthly St. Martinville temperature with heat index

St. Martinville monthly precipitation with daily maximum

St. Martinville monthly snow depth with daily maximum

St. Martinville monthly wind speed information

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