Westwego, LA climate
Westwego has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 91°, a January night drops to 44°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Westwego feels like
Winter
Spring
Summer
Fall
Westwego weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 63° | 44° | 5.3" | 0 | 9 | 0 | 47° – 60° |
| February | 67° | 48° | 4.2" | 0 | 7 | 0 | 48° – 67° |
| March | 73° | 53° | 4.6" | 0 | 7 | 0 | 57° – 71° |
| April | 78° | 59° | 5.1" | 0 | 5 | 0 | 64° – 73° |
| May | 85° | 67° | 5.3" | 0 | 6 | 0 | 73° – 79° |
| June | 90° | 73° | 7.2" | 0 | 12 | 0 | 79° – 84° |
| July | 91° | 75° | 7.7" | 0 | 12 | 0 | 81° – 85° |
| August | 91° | 75° | 6.9" | 0 | 9 | 0 | 80° – 87° |
| September | 88° | 71° | 5.5" | 0 | 9 | 0 | 77° – 84° |
| October | 81° | 62° | 3.7" | 0 | 5 | 0 | 68° – 76° |
| November | 71° | 51° | 3.8" | 0 | 7 | 0 | 56° – 66° |
| December | 65° | 47° | 4.7" | 0 | 8 | 0 | 49° – 63° |
| Year | 79° | 60° | 63.9" | 0.0" | 96 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Westwego
Westwego gets 64 inches of rain and melted snow a year. July is the wettest month and October the driest. Rain or snow falls on about 96 days a year.
A year-round growing season
Heating and cooling a home in Westwego
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Westwego, 22% of that work is heating and 78% is cooling, so air conditioning is the bigger bill.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Westwego and its neighbors
Westwego borders 3 towns with climate data. January nights across them vary by 0.4°. New Orleans has the coldest January nights (44°) and Bridge City the hottest July afternoons (91°). Westwego’s January low is 44° and its July high 91°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Westwego compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Westwego averaged 0.9° warmer than the 1900s. The biggest change is in February (+1.3°). The shift is smaller than in 77% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Westwego’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 48° to 67°. July is the most reliable, staying within 4°.
Common questions about Westwego’s climate
What is the coldest month in Westwego?
January, with a typical high of 63° and a low of 44°.
What is the hottest month in Westwego?
July, with a typical high of 91° and a low of 75°. About 106 days a year reach 90°.
How much snow does Westwego get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Westwego?
Frost is uncommon. Only 76% of years see a night at 32° or below.
What is the rainiest month in Westwego?
July, with 7.7 inches of rain and melted snow. The year totals 64 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Westwego itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Gretna, LA (5 mi, snow) and New Orleans Audubon, LA (1 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.