Terrytown, LA climate
Terrytown 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 Terrytown feels like
Winter
Spring
Summer
Fall
Terrytown 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 | 46° – 60° |
| February | 66° | 48° | 4.2" | 0 | 7 | 0 | 48° – 67° |
| March | 72° | 53° | 4.7" | 0 | 7 | 0 | 57° – 70° |
| April | 78° | 60° | 5.0" | 0 | 5 | 0 | 64° – 73° |
| May | 85° | 67° | 5.2" | 0 | 6 | 0 | 73° – 79° |
| June | 89° | 73° | 7.0" | 0 | 12 | 0 | 79° – 84° |
| July | 91° | 75° | 7.7" | 0 | 12 | 0 | 81° – 85° |
| August | 91° | 75° | 6.6" | 0 | 9 | 0 | 80° – 86° |
| September | 88° | 72° | 5.4" | 0 | 9 | 0 | 77° – 83° |
| October | 80° | 62° | 3.7" | 0 | 5 | 0 | 68° – 76° |
| November | 71° | 52° | 3.8" | 0 | 7 | 0 | 56° – 66° |
| December | 65° | 47° | 4.6" | 0 | 8 | 0 | 49° – 63° |
| Year | 78° | 61° | 63.0" | 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 Terrytown
Terrytown gets 63 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.
About 330 frost-free days a year
In half of years the last 32° night comes by February 1 and the first one by December 31. That leaves about 330 frost-free days for gardens, longer than 96% of U.S. towns.
Heating and cooling a home in Terrytown
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Terrytown, 28% of that work is heating and 72% 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.
Terrytown and its neighbors
Terrytown borders 4 towns with climate data. January nights across them vary by 0.5°. New Orleans has the coldest January nights (44°) and Gretna the hottest July afternoons (91°). Terrytown’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 Terrytown 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 Terrytown averaged 0.9° warmer than the 1900s. The biggest change is in February (+1.3°). The shift is smaller than in 80% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Terrytown’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 Terrytown’s climate
What is the coldest month in Terrytown?
January, with a typical high of 63° and a low of 44°.
What is the hottest month in Terrytown?
July, with a typical high of 91° and a low of 75°. About 90 days a year reach 90°.
How much snow does Terrytown get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Terrytown?
In half of years the first 32° night comes by December 31, and the last spring frost by February 1.
What is the rainiest month in Terrytown?
July, with 7.7 inches of rain and melted snow. The year totals 63 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Terrytown itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Gretna, LA (2 mi, snow) and Terrytown 3s, 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.