Lafayette, LA weather in January
In January, Lafayette sees highs around 62°F and lows around 44°F: cool, with frequent rain. Rain falls on about 10 days. It is one of the coolest months in Lafayette.
- Normal high
- 62°F
- Normal low
- 44°F
- Wet days
- 10
- 5.9 in total
- Muggy days
- 2
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 62°F | 63°F |
| Normal low | 44°F | 45°F |
| Chance of a wet day | 33% | 32% |
| Sunrise / sunset | 7:04 am / 5:18 pm | 6:59 am / 5:43 pm |
| Daylight | 10.2 h | 10.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical January day
- 6 am47°Fdew point 43°F
- 9 am51°Fdew point 44°F
- Noon58°Fdew point 44°F
- 3 pm60°Fdew point 44°F
- 6 pm56°Fdew point 44°F
- 9 pm52°Fdew point 44°F
NOAA hourly normals (local standard time) from Lafayette Rgnl Airport (2 mi away); average wind 8 mph; clear or few clouds in 51% of daytime hours, mostly cloudy or overcast in 45%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more2 of 31
- Wet daysat least 0.01 in of rain or melted snow10 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below5 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain in January
Normal precipitation is 5.9 in; a dry January brings about 3.8 in and a wet one about 6.7 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more. Snow is very rare.
How January varies from year to year
- Warmest January, 1991-20202017: average high 70°F
- Coolest January2018: average high 57°F
- Wettest January1993: 16.7 in
- Driest January2003: 0.7 in
- Highest reading82°F (January 31, 2002)
- Lowest reading16°F (January 17, 2018)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 64°F | 62°F | 66°F |
| Normal low | 45°F | 44°F | 47°F |
| Wet days | 10 | 10 | 9 |
| Comfortable days | 10 | 10 | 11 |
| Daylight | 10.2 h | 10.4 h | 11.1 h |
Highs change by -2°F from December and +4°F into February.
How Lafayette ranks in January
- Normal high89th warmest of 378 cities; 4th of 5 in Louisiana
- Wet days211th driest of 378
- Comfortable days73rd most of 339
What to pack for Lafayette in January
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
January has 392 heating degree days and 15 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.
Questions
How cold is Lafayette in January?
The normal high is 62°F and the normal low is 44°F. From 1991 to 2020 the coldest January reading was 16°F (January 17, 2018).
Does it rain a lot in Lafayette in January?
About 10 days in January have at least 0.01 in of precipitation, and the normal total is 5.9 in. The wettest January in 1991-2020 was in 1993 (16.7 in); the driest was in 2003 (0.7 in).
Is January a good time to visit Lafayette?
January ranks 7th of 12 months on our comfort score for Lafayette (55 out of 100). It has about 10 comfortable days. The best months are March, April and November.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Lafayette Rgnl Airport (USW00013976), 2.3 mi SE of the city center, 38 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Lafayette (USC00165021), 2.7 mi W of the city center, 25 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Lafayette Regional Airport (722405-13976), 2.5 mi SE of the city center, 35 ft . Hourly observations, 1991-2020.