Climate Comfort Score
79/100
Good
NOAA 1991–2020 normals 70°F annual avg Public-domain federal data
Morgan City, LA Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 70°F
- Avg annual temp
- 79/100
- Comfort score
- 58.5"
- Annual precip
- -29d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Morgan City
Morgan City, Louisiana averages 70°F a year and scores 79/100 on the comfort index - good, milder than 82% of U.S. cities.
- 70°F
- yearly average temperature, NOAA normal
- 79/100
- comfort score, milder than 82% of U.S. cities
- 58.5"
- precipitation, annual total
- -29 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
70°F (21°C)
Avg High
78°F
Avg Low
62°F
Annual Precip
58.5"
Annual Snow
0.0"
Comfort Score
79/100
Good
Avg Annual Temperature
70°F
30-year mean (NOAA NCEI)
Annual Precipitation
58.5"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Morgan City) 79.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Morgan City area.
How Morgan City compares to every U.S. city
Morgan City's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
79 Top 18% higher than 82% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Morgan City
MethodologyZooming out from Morgan City's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 63°F (17°C) | 45°F (7°C) | 54°F (12°C) | 5.0" | 0.0" | 3.5 | 0.0 |
| February | 67°F (19°C) | 49°F (9°C) | 58°F (14°C) | 3.3" | 0.0" | 1.1 | 0.0 |
| March | 72°F (22°C) | 55°F (13°C) | 63°F (17°C) | 3.9" | 0.0" | 0.5 | 0.0 |
| April | 78°F (26°C) | 61°F (16°C) | 70°F (21°C) | 4.0" | 0.0" | 0.0 | 0.0 |
| May | 84°F (29°C) | 69°F (20°C) | 76°F (25°C) | 4.5" | 0.0" | 0.0 | 1.6 |
| June | 89°F (32°C) | 75°F (24°C) | 82°F (28°C) | 7.0" | 0.0" | 0.0 | 9.5 |
| July | 91°F (33°C) | 76°F (25°C) | 83°F (29°C) | 6.2" | 0.0" | 0.0 | 16.9 |
| August | 90°F (32°C) | 76°F (25°C) | 83°F (29°C) | 7.3" | 0.0" | 0.0 | 16.2 |
| September | 88°F (31°C) | 73°F (23°C) | 81°F (27°C) | 5.4" | 0.0" | 0.0 | 8.1 |
| October | 81°F (27°C) | 64°F (18°C) | 72°F (22°C) | 4.0" | 0.0" | 0.0 | 0.7 |
| November | 72°F (22°C) | 53°F (12°C) | 63°F (17°C) | 3.9" | 0.0" | 0.2 | 0.0 |
| December | 66°F (19°C) | 48°F (9°C) | 57°F (14°C) | 4.0" | 0.0" | 1.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 5.0"
10.0 days with precipitation
February 3.3"
8.2 days with precipitation
March 3.9"
7.4 days with precipitation
April 4.0"
7.0 days with precipitation
May 4.5"
7.1 days with precipitation
June 7.0"
11.5 days with precipitation
July 6.2"
14.2 days with precipitation
August 7.3"
14.8 days with precipitation
September 5.4"
10.8 days with precipitation
October 4.0"
6.8 days with precipitation
November 3.9"
7.0 days with precipitation
December 4.0"
8.2 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
January 1
50% probability date
Last Spring Freeze
January 30
50% probability date
Growing Season
-29 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,172
Higher = more heating needed
Cooling Degree Days
3,064
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Morgan City's climate means for you
Morgan City runs 70°F a year - peaking in July, coldest in January.
- Gardeners get about -29 frost-free days, with the last spring freeze near January 30 - plan the planting calendar around it, not the regional average.
- Energy bills track 1,172 heating and 3,064 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Morgan City, LA
An annual average temperature of 70°F, ranging from a mean daily high of 78°F to a mean daily low of 62°F is what the NOAA 1991–2020 climate normals report for Morgan City, Louisiana. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00166394 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Anyone planning to live, garden, or travel in Morgan City should weigh precipitation alongside temperature: the annual average runs 58.5 inches, with negligible snowfall. The frost-free season averages -29 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 30 and the first fall freeze near January 1. And on the energy front, 1,172 heating degree days and 3,064 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Morgan City scores 79/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Morgan City, LA? ▼
The average annual temperature in Morgan City, Louisiana is 70°F. The warmest month averages 91°F (33°C) and the coldest averages 45°F (7°C).
How much rain does Morgan City get? ▼
Morgan City receives 58.5 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Morgan City? ▼
Morgan City has a climate comfort score of 79/100 (Good), milder than 82% of U.S. cities in the PlainClimate database.
When is the growing season in Morgan City? ▼
Morgan City has approximately -29 frost-free days per year, with the last spring freeze around January 30 and the first fall freeze around January 1.
How much energy does heating and cooling require in Morgan City? ▼
Morgan City has 1,172 heating degree days and 3,064 cooling degree days annually, a cooling-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Morgan City climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00166394 near Morgan City.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00166394. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.