New Iberia, Louisiana climate: Normal weather by month, frost dates and records
New Iberia's normal year runs from 43°F January nights to 92°F August afternoons, with 59.7 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 20.7°C, January lows of 6°C, August highs of 34°C, 1,516 mm of precipitation a year.
- NOAA stationNew Iberia Acadiana Regional Airport
- Station IDUSW00053915
- Location30.04°N 91.88°W
- Elevation24 ft (7 m)
- Population26,849
On October 14, the normal high in New Iberia is 83°F and the normal low 60°F, and the chance of measurable rain or snow is 31%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for New Iberia.
- Jan 63° 43°
- Feb 67° 47°
- Mar 73° 53°
- Apr 79° 59°
- May 86° 67°
- Jun 90° 73°
- Jul 92° 74°
- Aug 92° 74°
- Sep 89° 70°
- Oct 82° 60°
- Nov 72° 50°
- Dec 65° 45°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in New Iberia each month?
August is the warmest month, with normal highs of 92°F; January the coldest, with normal lows of 43°F. The most precipitation falls in July (6.71 in), the least in March (2.91 in).
Each month has its own page with the day-by-day normals, the month's records and its recent years:
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 63°F | 43°F | 52.9°F | 5.36 | 11 | <1 | 5 | 10 h 20 min |
| February | 67°F | 47°F | 56.7°F | 3.54 | 9 | <1 | 2 | 11 h 10 min |
| March | 73°F | 53°F | 62.7°F | 2.91 | 9 | <1 | 1 | 12 h |
| April | 79°F | 59°F | 68.9°F | 4.82 | 8 | <1 | <1 | 12 h 50 min |
| May | 86°F | 67°F | 76.1°F | 4.39 | 8 | 6 | <1 | 13 h 40 min |
| June | 90°F | 73°F | 81.4°F | 6.46 | 13 | 19 | <1 | 14 h |
| July | 92°F | 74°F | 82.9°F | 6.71 | 15 | 23 | <1 | 13 h 50 min |
| August | 92°F | 74°F | 83.2°F | 6.37 | 14 | 25 | <1 | 13 h 20 min |
| September | 89°F | 70°F | 79.6°F | 5.05 | 11 | 16 | <1 | 12 h 20 min |
| October | 82°F | 60°F | 70.7°F | 5.09 | 10 | 3 | <1 | 11 h 30 min |
| November | 72°F | 50°F | 60.8°F | 4.50 | 9 | <1 | 1 | 10 h 40 min |
| December | 65°F | 45°F | 55.0°F | 4.49 | 11 | <1 | 3 | 10 h 10 min |
| Year (annual) | 79°F | 59°F | 69.2°F | 59.69 | 129 | 93 | 11 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 17°C | 6°C | 11.6°C | 136 mm |
| February | 19°C | 8°C | 13.7°C | 90 mm |
| March | 23°C | 11°C | 17.1°C | 74 mm |
| April | 26°C | 15°C | 20.5°C | 122 mm |
| May | 30°C | 19°C | 24.5°C | 112 mm |
| June | 32°C | 23°C | 27.4°C | 164 mm |
| July | 33°C | 24°C | 28.3°C | 170 mm |
| August | 34°C | 23°C | 28.4°C | 162 mm |
| September | 32°C | 21°C | 26.4°C | 128 mm |
| October | 28°C | 15°C | 21.5°C | 129 mm |
| November | 22°C | 10°C | 16.0°C | 114 mm |
| December | 18°C | 7°C | 12.8°C | 114 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00053915; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit New Iberia?
Normal highs sit between 65°F and 85°F in February, March, April, October, November and December. Of those, April has the fewest days with rain (8).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00053915.
When is the last frost in New Iberia?
In New Iberia, the last spring frost (32°F) comes after February 14 in half of years and after March 11 in one year in ten; the first autumn frost comes before December 5 in half of years and before November 14 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- February 141 year in 10 after March 11; 9 in 10 after January 11
- First autumn frost, half of years before
- December 51 year in 10 before November 14; 9 in 10 before January 7
NOAA puts the median frost-free season at 298 days, and the season without a hard freeze (28°F) at 337 days.
A hard freeze (28°F) comes after January 28 in half of springs and before December 31 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts New Iberia in zone 9b in ZIP code 70560, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, New Iberia's NOAA station is in zone 9a: the coldest night of a typical year reaches 25°F (20 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.
Frost dates for every NOAA station in Louisiana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00053915; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in New Iberia?
In a normal year in New Iberia, 93 days a year reach 90°F (1 of them 100°F or more), 11 nights fall to 32°F or colder and 129 days bring measurable precipitation.
- Days at 90°F or more
- 93a normal year
- Days at 100°F or more
- 1a normal year
- Nights at 32°F or colder
- 11a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 129a normal year
The highest temperature in this station's record (since 1998) is 109°F, on August 27, 2023; the lowest is 2°F, on January 22, 2025.
The wettest calendar year on that record is 2016, with 85.98 in.
Source: NOAA NCEI 1991-2020 annual normals, station USW00053915; records: ACIS (NOAA Regional Climate Centers), station USW00053915. Records use complete months only; a month missing more than three days is left out.
How sunny is New Iberia?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around New Iberia, 4.7 kWh per square metre a day. October is the sunniest month (83%) and February the cloudiest (68%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 71% | 2.9 |
| February | 68% | 3.4 |
| March | 74% | 4.6 |
| April | 79% | 5.7 |
| May | 81% | 6.2 |
| June | 79% | 6.1 |
| July | 79% | 5.9 |
| August | 80% | 5.6 |
| September | 82% | 5.1 |
| October | 83% | 4.4 |
| November | 80% | 3.4 |
| December | 70% | 2.6 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does New Iberia need?
A normal year in New Iberia brings 1,363 heating degree days, 75% fewer than the median U.S. place (5,373), and 2,934 cooling degree days, 3.2 times the median (908). Two months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 7,235 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 390 | 15 |
| February | 258 | 25 |
| March | 137 | 65 |
| April | 36 | 153 |
| May | 2 | 347 |
| June | 0 | 490 |
| July | 0 | 555 |
| August | 0 | 564 |
| September | 1 | 437 |
| October | 30 | 207 |
| November | 174 | 49 |
| December | 336 | 26 |
| Year (annual) | 1,363 | 2,934 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00053915. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has New Iberia been warmer than normal lately?
2025 averaged 69.8°F, 0.6°F above the 1991-2020 normal of 69.2°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.4°F | +0.2°F | 67.37 |
| 2022 | 69.1°F | −0.1°F | 50.90 |
| 2023 | 72.1°F | +2.9°F | 47.01 |
| 2024 | 70.8°F | +1.6°F | 56.84 |
| 2025 | 69.8°F | +0.6°F | 54.98 |
Source: observed years: ACIS, station USW00053915. A year counts only with all twelve months complete.
How does New Iberia's climate compare?
New Iberia is warmer than 52 of the other 64 places with their own NOAA record in Louisiana, and wetter than 27. Across the 7,247 U.S. stations with normals, its annual mean of 69.2°F is warmer than 94%.
In the Köppen classification computed from these normals, New Iberia is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near New Iberia share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Erath, LA1,956 people · 11 mi SW
- Delcambre, LA1,773 people · 9 mi SW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
What do New Iberia's other NOAA stations record?
One more NOAA station keeps 1991-2020 normals in or near New Iberia. This page uses New Iberia Acadiana Regional Airport; the other differs by site and elevation:
| Station | From this station | Elevation | Year | Jan low | Jul high | Precip. | Snow | Last frost |
|---|---|---|---|---|---|---|---|---|
| New Iberia Acadiana Airport USC00166657 | in town | 24 ft | 69.9°F | 43°F | 92°F | – | – | February 10 |
Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.
Questions about New Iberia's climate
What is the coldest month in New Iberia?
January, with a normal high of 63°F and a normal low of 43°F. The warmest is August (92°F by day, 74°F at night).
What is the rainiest month in New Iberia?
July, with 6.71 in of precipitation in a normal year; the driest is March with 2.91 in.
What plant hardiness zone is New Iberia in?
The USDA's 2023 map puts New Iberia in zone 9b in ZIP code 70560, the nearest ZIP area. By the same method at New Iberia's NOAA station, the coldest night of a typical year reaches 25°F (20 years, 1991-2020): zone 9a.
How late can frost come in New Iberia?
In half of years the last 32°F night comes after February 14; in one year in ten it comes after March 11. Waiting until March 11 leaves about a one-in-ten chance of a later frost.
Nearby and next
- New Iberia in OctoberThis month day by day, its records and recent years
- Louisiana climateThe statewide normals and every place in the state
- St. Martinville, LA4 miles from this station, 67.9°F a year
- Jeanerette, LA12 miles from this station, 67.7°F a year
- Lafayette, LA13 miles from this station, 69.4°F a year
- Franklin, LA25 miles from this station, 68.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made