St. Martinville, LA Weather

St. Martinville weather forecast

  • Temperature:57°F
  • Humidity:90%
  • Pressure:30.11inHg
  • Wind speed:12mph
  • Direction:Southwest
  • Gusts:n/a

Update from New Iberia, Acadiana Regional Airport, LA on 19 Dec 10:53 AM EST

Forecasted weather

Today

Heavy Rain

64°F 100% POP

Tonight

Scattered Showers

48°F 50% POP

Saturday

Partly Sunny

58°F

Saturday Night

Mostly Cloudy

47°F

Sunday

Partly Sunny

62°F

Sunday Night

Scattered Showers

49°F 30% POP

Monday

Isolated Showers

67°F 20% POP

Monday Night

Isolated Showers

55°F 20% POP

Tuesday

Chance Thunderstorms

67°F 30% POP

Tuesday Night

Isolated Showers

42°F 20% POP

Wednesday

Sunny

60°F

Wednesday Night

Mostly Clear

44°F

Christmas Day

Sunny

67°F

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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