Lafayette weather in January: Lafayette, Louisiana: normal highs, lows, rain and records for January
Lafayette in January has a normal high of 62°F and a normal low of 44°F, a daily mean of 53°F, holding near 62°F all month. Measurable precipitation falls on 10 days in a normal January, 5.92 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 6°C, 150 mm of precipitation in January.
- NOAA stationLafayette Regional Airport
- Station IDUSW00013976
- Location30.20°N 91.99°W
- Elevation38 ft (12 m)
- Population122,280
- Jan 62° 44°
- Feb 66° 47°
- Mar 73° 53°
- Apr 79° 59°
- May 86° 67°
- Jun 90° 73°
- Jul 92° 75°
- Aug 92° 75°
- Sep 89° 70°
- Oct 81° 60°
- Nov 72° 50°
- Dec 64° 45°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lafayette in January?
The normal high is 62°F and the normal low 44°F, for a daily mean of 52.8°F. January is 2.1°F cooler than December and 4.0°F cooler than February. January is the 12th warmest month of the year in Lafayette and the 4th wettest. Across the month the normal high rises 1°F, from 62°F on January 1 to 63°F on January 31. From one year to the next January's mean temperature typically moves about 3.7°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 49°F and 57°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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 62°F | 44°F | 33% | 22% |
| January 8 | 62°F | 43°F | 33% | 22% |
| January 15 | 62°F | 43°F | 32% | 22% |
| January 22 | 62°F | 44°F | 32% | 21% |
| January 31 | 63°F | 45°F | 32% | 21% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 13)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 62°F | 44°F | 33% | 22% | 10 h 10 min |
| January 2 | 62°F | 44°F | 33% | 22% | 10 h 10 min |
| January 3 | 62°F | 44°F | 33% | 22% | 10 h 10 min |
| January 4 | 62°F | 44°F | 33% | 22% | 10 h 20 min |
| January 5 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 6 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 7 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 8 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 9 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 10 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 11 | 62°F | 43°F | 33% | 22% | 10 h 20 min |
| January 12 | 62°F | 43°F | 32% | 22% | 10 h 20 min |
| January 13 | 62°F | 43°F | 32% | 22% | 10 h 20 min |
| January 14 | 62°F | 43°F | 32% | 22% | 10 h 20 min |
| January 15 | 62°F | 43°F | 32% | 22% | 10 h 20 min |
| January 16 | 62°F | 43°F | 32% | 22% | 10 h 20 min |
| January 17 | 62°F | 43°F | 32% | 22% | 10 h 30 min |
| January 18 | 62°F | 43°F | 32% | 22% | 10 h 30 min |
| January 19 | 62°F | 43°F | 32% | 22% | 10 h 30 min |
| January 20 | 62°F | 43°F | 32% | 21% | 10 h 30 min |
| January 21 | 62°F | 43°F | 32% | 21% | 10 h 30 min |
| January 22 | 62°F | 44°F | 32% | 21% | 10 h 30 min |
| January 23 | 62°F | 44°F | 32% | 21% | 10 h 30 min |
| January 24 | 63°F | 44°F | 32% | 21% | 10 h 30 min |
| January 25 | 63°F | 44°F | 32% | 21% | 10 h 30 min |
| January 26 | 63°F | 44°F | 32% | 21% | 10 h 40 min |
| January 27 | 63°F | 44°F | 32% | 21% | 10 h 40 min |
| January 28 | 63°F | 44°F | 32% | 21% | 10 h 40 min |
| January 29 | 63°F | 44°F | 32% | 21% | 10 h 40 min |
| January 30 | 63°F | 44°F | 32% | 21% | 10 h 40 min |
| January 31 | 63°F | 45°F | 32% | 21% | 10 h 40 min |
- Normal high
- 62°FJanuary average
- Normal low
- 44°FJanuary average
- Precipitation
- 5.92 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 5
- Daylight
- 10 h 10 min to 10 h 40 minJanuary 1 to January 31
- Days at 70°F or more
- 9
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013976; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lafayette in January?
On a given January day the chance of 0.01 inch or more is 32% on average, highest around January 1 (33%). In all, 5.92 in falls on 10 days of a normal January, 2 of them with an inch or more.
In a normal January in Lafayette, 5 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013976.
How humid and windy is Lafayette in January?
At 3 p.m. the normal temperature is 60°F with 54% relative humidity and a dew point of 44°F; at 6 a.m. it is 48°F with 84% humidity. The wind averages 8.1 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 48°F | 43°F | 84% | 6.6 mph | 52% |
| 9 a.m. | 51°F | 44°F | 76% | 8.5 mph | 52% |
| noon | 58°F | 44°F | 59% | 10.4 mph | 51% |
| 3 p.m. | 60°F | 44°F | 54% | 10.6 mph | 50% |
| 6 p.m. | 57°F | 44°F | 63% | 8.2 mph | 53% |
| 9 p.m. | 52°F | 45°F | 75% | 7.1 mph | 59% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013976. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Lafayette?
The warmest January temperature on this station's record (since 1893) is 87°F, on January 20, 1916; the coldest is 4°F, on January 22, 2025. The wettest January brought 16.74 in (1993); the snowiest, 3.1 inches (1949).
The January mean against the 1991-2020 normal of 52.8°F: 2021 53.0°F (+0.2), 2022 50.9°F (−1.9), 2023 60.0°F (+7.2), 2024 50.9°F (−1.9), 2025 48.7°F (−4.1), 2026 52.5°F (−0.3). 2 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 53.0°F | +0.2°F | 1.99 in |
| 2022 | 50.9°F | −1.9°F | 1.77 in |
| 2023 | 60.0°F | +7.2°F | 7.70 in |
| 2024 | 50.9°F | −1.9°F | 8.55 in |
| 2025 | 48.7°F | −4.1°F | 3.48 in |
| 2026 | 52.5°F | −0.3°F | 6.71 in |
Source: records: ACIS, station USW00013976; recent months: ACIS, station USW00013976. Records and recent months use complete months only.
How does January in Lafayette compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, January normal highs run from 54°F in Lake Providence to 64°F in Houma; Lafayette's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.