Mamou, LA climate
Mamou has warm winters and hot summers, with plenty of rain. A typical July afternoon reaches 92°, a January night drops to 41°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Mamou feels like
Winter
Spring
Summer
Fall
Mamou 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 | 61° | 41° | 6.6" | 0 | 10 | 0 | 44° – 58° |
| February | 65° | 44° | 4.6" | 0 | 9 | 0 | 46° – 62° |
| March | 72° | 50° | 4.2" | 0 | 8 | 0 | 55° – 68° |
| April | 78° | 57° | 4.8" | 0 | 7 | 0 | 63° – 72° |
| May | 85° | 65° | 4.8" | 0 | 7 | 0 | 72° – 78° |
| June | 90° | 71° | 5.6" | 0 | 11 | 0 | 78° – 84° |
| July | 92° | 73° | 5.3" | 0 | 11 | 0 | 80° – 86° |
| August | 92° | 73° | 4.6" | 0 | 9 | 0 | 79° – 86° |
| September | 89° | 68° | 4.8" | 0 | 7 | 0 | 76° – 82° |
| October | 80° | 57° | 4.6" | 0 | 6 | 0 | 65° – 74° |
| November | 70° | 48° | 4.8" | 0 | 8 | 0 | 53° – 64° |
| December | 63° | 42° | 5.2" | 0 | 9 | 0 | 45° – 60° |
| Year | 78° | 57° | 59.8" | 0.0" | 100 | 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 Mamou
Mamou gets 60 inches of rain and melted snow a year. January is the wettest month and March the driest. Rain or snow falls on about 100 days a year.
About 276 frost-free days a year
In half of years the last 32° night comes by February 26 and the first one by November 27. That leaves about 276 frost-free days for gardens, longer than 93% of U.S. towns.
Heating and cooling a home in Mamou
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mamou, 39% of that work is heating and 61% 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.
How Mamou 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 Mamou averaged 0.3° warmer than the 1900s. The biggest change is in March (+1.0°). The shift is smaller than in 99% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mamou’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 46° to 62°. June is the most reliable, staying within 5°.
Common questions about Mamou’s climate
What is the coldest month in Mamou?
January, with a typical high of 61° and a low of 41°.
What is the hottest month in Mamou?
August, with a typical high of 92° and a low of 73°. About 111 days a year reach 90°.
How much snow does Mamou get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Mamou?
In half of years the first 32° night comes by November 27, and the last spring frost by February 26.
What is the rainiest month in Mamou?
January, with 6.6 inches of rain and melted snow. The year totals 60 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mamou itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Eunice, LA (10 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.