St. Tammany Parish, Louisiana 

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United States / Louisiana / / St. Tammany County / Cities / Zip Codes
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Weather in St. Tammany Parish, Louisiana

The most pleasant months of the year for St. Tammany Parish are April, October and May. In St. Tammany Parish, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for St. Tammany Parish with an average high temperature of 91.0°, which ranks it as cooler than most places in Louisiana. December is the snowiest month in St. Tammany Parish with 0.1 inches of snow, and no months of the year have significant snowfall. The most uncomfortably humid months are July, August and June.


Today's Weather - St. Tammany, LA

6 PM PST

Clear

68°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightClear56° / 78°N 0 mph
Thursday NightClear54° / 79°NE 0 to 5 mph
Friday NightMostly Clear56° / 82°NE 0 mph
Saturday NightMostly Clear58° / 85°NW 0 mph
Sunday NightMostly Clear61° / 85°SE 0 mph
Monday NightMostly Clear64° / 85°SE 0 to 5 mph
Tuesday NightPartly Cloudy65° / 84°SE 0 to 5 mph

Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 40
Rain: averages 62 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the St. Tammany County area is 3.6 (10=best), which means it is less comfortable than most places in Louisiana.

3.6 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January61° 40°
February65° 43°
March71° 49°
April78° 55°
May85° 63°
June89° 70°
July91° 72°
August91° 72°
September87° 67°
October80° 57°
November71° 48°
December63° 42°
Hot, Freezing, Rainy, Snowy Days: St. Tammany
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January09100
February0480
March0280
April0060
May3070
June140110
July200130
August190120
September9090
October1070
November0270
December0790

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


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MAPS OF ST. TAMMANY PARISH, LOUISIANA
ZIP CODES IN ST. TAMMANY PARISH, LOUISIANA
70433, 70458, 70461, 70448, 70460, 70471, 70435, 70447, 70452, 70445, ... 15 more


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