Photo: David Wilson · CC BY 2.0Morgan City sits near the top of U.S. towns for precipitation, with 60 inches a year
In January the night’s low is typically 44°. Seasons differ by 47°, from the coldest nights to the warmest afternoons. Winters are mild: January nights here are milder than in 93% of U.S. towns. From October to April, highs of 63–81° make it easy to spend the day outdoors.
A year in Morgan City at a glance
Each month’s typical high and low, and what it brings.
What stands out about Morgan City’s climate
Compared with towns across the U.S., with Morgan City’s place in Louisiana beside it.
What a year in Morgan City feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A freeze most winters
Frost and day counts come from NOAA’s station at Morgan City, LA, 2.1 miles from the town’s center, at about the same height.
The 2023 USDA map puts Morgan City’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 27°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 60 inches of rain a year
June is the wettest month and February the driest. Rain falls on about 113 days a year. Snow is rare: about 0.0" in a normal year at Morgan City, LA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Morgan City
28% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from January.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Morgan City, LA.
Living with Morgan City’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 9b. Frost comes about 8 winters in 10, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: January, February, March, April, October, November and December. 0.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Morgan City from natural hazards, hurricanes are the largest share (75%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Morgan City and similar climates
TownRatings has no climate map of the towns around Morgan City yet.
Climates most like Morgan City’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Morgan City, LA | 44° | 91° | 60" | 0.0" |
| Port Arthur, TX | 44° | 91° | 61" | 0.0" |
| Pensacola Station, FL | 44° | 90° | 61" | 0.0" |
| Orange Beach, AL | 43° | 90° | 62" | 0.0" |
| Magalia, CA | 38° | 92° | 61" | 0.1" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Morgan City averaged 1.1° warmer than the 1900s. The biggest change is in February (+1.8°).
A smaller shift than in 70% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Morgan City compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Morgan City’s place among Louisiana’s.
Morgan City weather by month
Highs, lows and precipitation from NOAA’s grid at Morgan City’s center; snow, wet days and snow on the ground from Morgan City, LA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 63° | 44° | 5.1" | 0.0" | 10 | 0 | 47° – 61° |
| February | 67° | 48° | 3.8" | 0.0" | 8 | 0 | 48° – 67° |
| March | 73° | 53° | 3.9" | 0.0" | 7 | 0 | 55° – 71° |
| April | 79° | 59° | 4.5" | 0.0" | 7 | 0 | 64° – 74° |
| May | 85° | 67° | 5.0" | 0.0" | 7 | 0 | 72° – 79° |
| June | 89° | 73° | 7.0" | 0.0" | 12 | 0 | 79° – 83° |
| July | 91° | 74° | 6.3" | 0.0" | 14 | 0 | 81° – 84° |
| August | 91° | 74° | 6.7" | 0.0" | 15 | 0 | 79° – 85° |
| September | 88° | 71° | 5.1" | 0.0" | 11 | 0 | 77° – 84° |
| October | 81° | 60° | 4.2" | 0.0" | 7 | 0 | 67° – 75° |
| November | 72° | 51° | 3.9" | 0.0" | 7 | 0 | 56° – 66° |
| December | 65° | 46° | 4.3" | 0.0" | 8 | 0 | 50° – 63° |
| Year | 79° | 60° | 59.7" | 0.0" | 113 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 48° to 67°. July is the most reliable, staying within 4°.
Where Morgan City’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Morgan City’s center.
- Snow: Morgan City, LA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Morgan City, LA, 2.1 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Morgan City’s climate
What is the weather like in Morgan City?
A typical July afternoon reaches 91°, a January night drops to 44°, and snow is almost unheard of. Milder January nights than 93% of U.S. towns; hotter July afternoons than 81% of U.S. towns.
How cold does it get in Morgan City in winter?
January nights average 44°. About 7 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 47°.
How much snow does Morgan City get?
About 0.0 inches in a normal winter at Morgan City, LA, so most winters see none.
How hot does it get in Morgan City?
July, with a typical high of 91° and a low of 74°. About 53 days a year reach 90° (Morgan City, LA).
When is the first and last frost in Morgan City?
There is no reliable frost date: a 32° night comes in about 80% of winters at Morgan City, LA, so most years bring a freeze but some pass without one.
What growing zone is Morgan City in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 27°.
What is the best time of year to visit Morgan City?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Morgan City getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 70% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Morgan City.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.