New Iberia weather in December: New Iberia, Louisiana: normal highs, lows, rain and records for December
New Iberia in December has a normal high of 65°F and a normal low of 45°F, a daily mean of 55°F, falling from 68°F on the 1st to 63°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 4.49 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 7°C, 114 mm of precipitation in December.
- NOAA stationNew Iberia Acadiana Regional Airport
- Station IDUSW00053915
- Location30.04°N 91.88°W
- Elevation24 ft (7 m)
- Population26,849
- 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.
How warm is New Iberia in December?
The normal high is 65°F and the normal low 45°F, for a daily mean of 55.0°F. December is 5.8°F cooler than November and 2.1°F warmer than January. December is the 11th warmest month of the year in New Iberia and the 9th wettest. Across the month the normal high falls 5°F, from 68°F on December 1 to 63°F on December 31. From one year to the next December's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 52°F and 58°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 68°F | 47°F | 32% | 18% |
| December 8 | 66°F | 46°F | 33% | 19% |
| December 15 | 65°F | 45°F | 34% | 20% |
| December 22 | 64°F | 44°F | 35% | 20% |
| December 31 | 63°F | 43°F | 36% | 20% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 68°F | 47°F | 32% | 18% | 10 h 20 min |
| December 2 | 68°F | 47°F | 32% | 19% | 10 h 20 min |
| December 3 | 68°F | 47°F | 33% | 19% | 10 h 20 min |
| December 4 | 67°F | 46°F | 33% | 19% | 10 h 20 min |
| December 5 | 67°F | 46°F | 33% | 19% | 10 h 20 min |
| December 6 | 67°F | 46°F | 33% | 19% | 10 h 20 min |
| December 7 | 67°F | 46°F | 33% | 19% | 10 h 20 min |
| December 8 | 66°F | 46°F | 33% | 19% | 10 h 20 min |
| December 9 | 66°F | 46°F | 33% | 19% | 10 h 20 min |
| December 10 | 66°F | 46°F | 34% | 19% | 10 h 20 min |
| December 11 | 66°F | 46°F | 34% | 20% | 10 h 20 min |
| December 12 | 66°F | 45°F | 34% | 20% | 10 h 10 min |
| December 13 | 66°F | 45°F | 34% | 20% | 10 h 10 min |
| December 14 | 65°F | 45°F | 34% | 20% | 10 h 10 min |
| December 15 | 65°F | 45°F | 34% | 20% | 10 h 10 min |
| December 16 | 65°F | 45°F | 34% | 20% | 10 h 10 min |
| December 17 | 65°F | 45°F | 35% | 20% | 10 h 10 min |
| December 18 | 65°F | 45°F | 35% | 20% | 10 h 10 min |
| December 19 | 64°F | 45°F | 35% | 20% | 10 h 10 min |
| December 20 | 64°F | 44°F | 35% | 20% | 10 h 10 min |
| December 21 | 64°F | 44°F | 35% | 20% | 10 h 10 min |
| December 22 | 64°F | 44°F | 35% | 20% | 10 h 10 min |
| December 23 | 64°F | 44°F | 35% | 20% | 10 h 10 min |
| December 24 | 64°F | 44°F | 35% | 20% | 10 h 10 min |
| December 25 | 64°F | 44°F | 35% | 20% | 10 h 10 min |
| December 26 | 63°F | 44°F | 35% | 20% | 10 h 10 min |
| December 27 | 63°F | 44°F | 36% | 20% | 10 h 10 min |
| December 28 | 63°F | 44°F | 36% | 20% | 10 h 10 min |
| December 29 | 63°F | 43°F | 36% | 20% | 10 h 10 min |
| December 30 | 63°F | 43°F | 36% | 20% | 10 h 10 min |
| December 31 | 63°F | 43°F | 36% | 20% | 10 h 10 min |
- Normal high
- 65°FDecember average
- Normal low
- 45°FDecember average
- Precipitation
- 4.49 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 2
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053915; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in New Iberia in December?
On a given December day the chance of 0.01 inch or more is 34% on average, highest around December 30 (36%). In all, 4.49 in falls on 11 days of a normal December, 1 of them with an inch or more.
In a normal December in New Iberia, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053915.
What are the records for December in New Iberia?
The warmest December temperature on this station's record (since 1998) is 83°F, on December 10, 2007; the coldest is 20°F, on December 23, 2022. The wettest December brought 14.24 in (2009).
The December mean against the 1991-2020 normal of 55.0°F: 2021 64.5°F (+9.5), 2022 56.9°F (+1.9), 2023 55.6°F (+0.6), 2024 58.1°F (+3.1), 2025 56.2°F (+1.2). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.5°F | +9.5°F | 2.23 in |
| 2022 | 56.9°F | +1.9°F | 3.94 in |
| 2023 | 55.6°F | +0.6°F | 9.45 in |
| 2024 | 58.1°F | +3.1°F | 4.44 in |
| 2025 | 56.2°F | +1.2°F | 5.38 in |
Source: records: ACIS, station USW00053915; recent months: ACIS, station USW00053915. Records and recent months use complete months only.
How does December in New Iberia compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, December normal highs run from 56°F in Bastrop to 66°F in Houma; New Iberia's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.