Lafayette weather in August
In August, Lafayette sees average daytime highs of 91°F and overnight lows near 74°F, with 4.8 in of rain across 16.1 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 29% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 13 h 30 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Lafayette's 11th-clearest and 12th-windiest month. For the whole year in context, see Lafayette's year-round climate.
- Daytime high
- 91°
- 1st warmest
- Overnight low
- 74°
- 11th coldest
- Rainfall
- 4.8 in
- 16.1 wet days
- Daylight
- 13 h 06 min
- 5:39 AM – 6:45 PM
- Cloud cover
- 60%
- 11th clearest
- Wind
- 5 mph
- 12th windiest
- Solar energy
- 5.59 kWh/m²
- Travel score
- 3.2
- out of 10
Lafayette is city in Lafayette Parish, Louisiana, United States.
- Density
- 950/km²
- people per km²
- Founded
- 1821
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 91°F through the month.
A typical August day in Lafayette reaches about 91°F in the afternoon and slips back to 74°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 95°F. Set against its neighbours, August runs on par with July and about 3°F warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 91 | 75 |
| 2 | 91 | 75 |
| 3 | 91 | 75 |
| 4 | 91 | 75 |
| 5 | 91 | 75 |
| 6 | 91 | 75 |
| 7 | 91 | 75 |
| 8 | 91 | 75 |
| 9 | 91 | 75 |
| 10 | 91 | 75 |
| 11 | 91 | 75 |
| 12 | 91 | 75 |
| 13 | 91 | 75 |
| 14 | 91 | 75 |
| 15 | 91 | 75 |
| 16 | 91 | 74 |
| 17 | 91 | 74 |
| 18 | 91 | 74 |
| 19 | 91 | 74 |
| 20 | 91 | 74 |
| 21 | 91 | 74 |
| 22 | 91 | 74 |
| 23 | 90 | 74 |
| 24 | 90 | 74 |
| 25 | 90 | 74 |
| 26 | 90 | 74 |
| 27 | 90 | 74 |
| 28 | 90 | 74 |
| 29 | 90 | 73 |
| 30 | 90 | 73 |
| 31 | 90 | 73 |
How August really feels in Lafayette
Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Lafayette weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 62° / 44° | 5.0 | 9.5 | 10.3 | 5.4 |
| Feb | 65° / 47° | 4.2 | 8.8 | 10.9 | 6.0 |
| Mar | 72° / 53° | 4.3 | 10.1 | 11.8 | 6.7 |
| Apr | 78° / 59° | 4.3 | 9.1 | 12.7 | 7.0 |
| May | 85° / 67° | 3.6 | 9.7 | 13.5 | 5.5 |
| Jun | 89° / 73° | 4.5 | 14.2 | 13.9 | 3.7 |
| Jul | 90° / 75° | 4.9 | 17.5 | 13.8 | 3.2 |
| Aug | 91° / 74° | 4.8 | 16.1 | 13.1 | 3.2 |
| Sep | 88° / 70° | 3.8 | 11.2 | 12.2 | 4.5 |
| Oct | 80° / 60° | 3.8 | 7.7 | 11.3 | 7.0 |
| Nov | 71° / 51° | 3.5 | 8.2 | 10.5 | 7.1 |
| Dec | 64° / 46° | 4.6 | 9.2 | 10.1 | 5.9 |
Cloud cover in August
The sky is clear or mostly clear about 29% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 51%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 49 | 49 | 49 | 49 | 49 | 48 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 50 | 49 | 50 | 49 | 49 | 49 | 49 | 50 | 50 | 50 |
| Cloudier (%) | 51 | 51 | 51 | 51 | 51 | 52 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 50 | 51 | 50 | 51 | 51 | 51 | 51 | 50 | 50 | 50 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 49 | 51 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 48 | 52 |
| 7 | 49 | 51 |
| 8 | 48 | 52 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 48 | 52 |
| 12 | 48 | 52 |
| 13 | 48 | 52 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 49 | 51 |
| 22 | 50 | 50 |
| 23 | 49 | 51 |
| 24 | 50 | 50 |
| 25 | 49 | 51 |
| 26 | 49 | 51 |
| 27 | 49 | 51 |
| 28 | 49 | 51 |
| 29 | 50 | 50 |
| 30 | 50 | 50 |
| 31 | 50 | 50 |
Chance of precipitation in August
Lafayette gets around 4.8 in of rain over 16.1 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 53% and peaks near 55% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 53 | 52 | 51 | 51 | 50 |
| Rain chance (%) | |
|---|---|
| 1 | 52 |
| 2 | 51 |
| 3 | 51 |
| 4 | 51 |
| 5 | 51 |
| 6 | 51 |
| 7 | 51 |
| 8 | 51 |
| 9 | 51 |
| 10 | 51 |
| 11 | 52 |
| 12 | 53 |
| 13 | 53 |
| 14 | 54 |
| 15 | 54 |
| 16 | 55 |
| 17 | 55 |
| 18 | 55 |
| 19 | 55 |
| 20 | 55 |
| 21 | 55 |
| 22 | 54 |
| 23 | 54 |
| 24 | 54 |
| 25 | 53 |
| 26 | 53 |
| 27 | 53 |
| 28 | 52 |
| 29 | 51 |
| 30 | 51 |
| 31 | 50 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Humid (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 |
| Muggy (%) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 15 |
| Oppressive (%) | 56 | 57 | 57 | 58 | 58 | 59 | 59 | 58 | 58 | 59 | 57 | 56 | 57 | 57 | 56 | 57 | 57 | 58 | 58 | 59 | 59 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 62 | 60 | 61 |
| Miserable (%) | 35 | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 26 | 24 | 23 | 22 | 21 | 20 | 18 | 17 | 16 | 15 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 2 | 7 | 56 | 35 |
| 2 | 0 | 0 | 2 | 7 | 57 | 34 |
| 3 | 0 | 0 | 2 | 7 | 57 | 34 |
| 4 | 0 | 0 | 2 | 7 | 58 | 33 |
| 5 | 0 | 0 | 2 | 7 | 58 | 33 |
| 6 | 0 | 0 | 2 | 7 | 59 | 32 |
| 7 | 0 | 0 | 2 | 7 | 59 | 32 |
| 8 | 1 | 0 | 2 | 7 | 58 | 32 |
| 9 | 1 | 0 | 2 | 7 | 58 | 32 |
| 10 | 1 | 0 | 2 | 7 | 59 | 31 |
| 11 | 1 | 1 | 2 | 8 | 57 | 31 |
| 12 | 1 | 1 | 2 | 8 | 56 | 32 |
| 13 | 1 | 1 | 2 | 8 | 57 | 31 |
| 14 | 1 | 1 | 2 | 8 | 57 | 31 |
| 15 | 1 | 1 | 3 | 8 | 56 | 31 |
| 16 | 1 | 1 | 3 | 8 | 57 | 30 |
| 17 | 1 | 1 | 3 | 8 | 57 | 30 |
| 18 | 1 | 1 | 3 | 8 | 58 | 29 |
| 19 | 1 | 1 | 3 | 9 | 58 | 28 |
| 20 | 1 | 1 | 3 | 9 | 59 | 27 |
| 21 | 1 | 1 | 3 | 10 | 59 | 26 |
| 22 | 0 | 1 | 3 | 10 | 60 | 26 |
| 23 | 0 | 1 | 4 | 11 | 60 | 24 |
| 24 | 0 | 1 | 4 | 12 | 60 | 23 |
| 25 | 0 | 1 | 4 | 12 | 61 | 22 |
| 26 | 0 | 1 | 4 | 13 | 61 | 21 |
| 27 | 0 | 1 | 5 | 13 | 61 | 20 |
| 28 | 0 | 2 | 5 | 14 | 61 | 18 |
| 29 | 0 | 2 | 5 | 14 | 62 | 17 |
| 30 | 1 | 2 | 6 | 15 | 60 | 16 |
| 31 | 1 | 2 | 6 | 15 | 61 | 15 |
Wind in August
Winds average 5 mph in August, the calmest month.
Across August, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in August
Daylight runs from about 13 h 30 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 48 minutes over August. Sunrise moves from 5:30 AM to 5:48 AM, and sunset from 6:58 PM to 6:28 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 |
| Sunrise (AM) | 5:30 | 5:31 | 5:31 | 5:32 | 5:32 | 5:33 | 5:34 | 5:34 | 5:35 | 5:35 | 5:36 | 5:37 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 | 5:46 | 5:46 | 5:47 | 5:47 | 5:48 |
| Sunset (PM) | 6:58 | 6:58 | 6:57 | 6:56 | 6:55 | 6:54 | 6:54 | 6:53 | 6:52 | 6:51 | 6:50 | 6:49 | 6:48 | 6:47 | 6:46 | 6:45 | 6:44 | 6:43 | 6:42 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:35 | 6:34 | 6:33 | 6:32 | 6:31 | 6:29 | 6:28 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.5 | 5:30 | 6:58 |
| 2 | 13.5 | 5:31 | 6:58 |
| 3 | 13.4 | 5:31 | 6:57 |
| 4 | 13.4 | 5:32 | 6:56 |
| 5 | 13.4 | 5:32 | 6:55 |
| 6 | 13.4 | 5:33 | 6:54 |
| 7 | 13.3 | 5:34 | 6:54 |
| 8 | 13.3 | 5:34 | 6:53 |
| 9 | 13.3 | 5:35 | 6:52 |
| 10 | 13.3 | 5:35 | 6:51 |
| 11 | 13.2 | 5:36 | 6:50 |
| 12 | 13.2 | 5:37 | 6:49 |
| 13 | 13.2 | 5:37 | 6:48 |
| 14 | 13.2 | 5:38 | 6:47 |
| 15 | 13.1 | 5:39 | 6:46 |
| 16 | 13.1 | 5:39 | 6:45 |
| 17 | 13.1 | 5:40 | 6:44 |
| 18 | 13.0 | 5:40 | 6:43 |
| 19 | 13.0 | 5:41 | 6:42 |
| 20 | 13.0 | 5:42 | 6:41 |
| 21 | 13.0 | 5:42 | 6:40 |
| 22 | 12.9 | 5:43 | 6:39 |
| 23 | 12.9 | 5:43 | 6:38 |
| 24 | 12.9 | 5:44 | 6:37 |
| 25 | 12.8 | 5:44 | 6:35 |
| 26 | 12.8 | 5:45 | 6:34 |
| 27 | 12.8 | 5:46 | 6:33 |
| 28 | 12.8 | 5:46 | 6:32 |
| 29 | 12.7 | 5:47 | 6:31 |
| 30 | 12.7 | 5:47 | 6:29 |
| 31 | 12.7 | 5:48 | 6:28 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.59 kWh/m².
For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 6.18 kWh/m² in May across the year — August's 5.59 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.4 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Lafayette
In August, Lafayette sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Lafayette sits in the Atlantic hurricane belt; the season peaks August–October.
Is August a good time to visit Lafayette?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in Lafayette.
What to pack for Lafayette in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Lafayette sees daytime highs around 91°F and nights near 74°F. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.
Sea temperature near Lafayette in August
The nearest coast averages about 86°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 42 mi away) is warmest in August at about 86°F and coldest in January near 58°F.
It's comfortable for a long swim from Mar 30 to Nov 15 — about 7.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 58 | 60 | 65 | 72 | 78 | 84 | 86 | 86 | 83 | 76 | 68 | 62 |
| Comfort | Bracing | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 58 | Bracing |
| Feb | 60 | Cool |
| Mar | 65 | Cool |
| Apr | 72 | Refreshing |
| May | 78 | Warm |
| Jun | 84 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 83 | Tropical |
| Oct | 76 | Warm |
| Nov | 68 | Cool |
| Dec | 62 | Cool |
UV index in Lafayette in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lafayette peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 6 | 7 | 10 | 10 | 10 | 10 | 9 | 8 | 6 | 5 | 4 |
| Level | Moderate | High | High | Extreme | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 7 | High |
| Apr | 10 | Extreme |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Lafayette in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Lafayette is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 13 | 11 | 11 | 14 | 18 | 22 | 16 | 12 | 9 | 13 | 8 |
| Level | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 14 | Moderate |
| Jun | 18 | Moderate |
| Jul | 22 | Moderate |
| Aug | 16 | Moderate |
| Sep | 12 | Moderate |
| Oct | 9 | Good |
| Nov | 13 | Moderate |
| Dec | 8 | Good |
Where is Lafayette?
Lafayette sits at 30.2°N, 92.0°W, 36 ft above sea level, in United States. The nearest listed city is New Iberia, 19 mi away.
Topography around Lafayette
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lafayette.
Within 2 miles, the terrain around Lafayette has only modest variations in elevation — a maximum elevation change of 85 ft around an average of 43 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 121 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 233 ft.
The land around Lafayette is covered by trees (41%) and artificial surfaces (41%) within 2 miles, trees (40%) and grassland (37%) within 10 miles, and trees (38%) and cropland (26%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lafayette (30.2241°, -92.0198°, elevation 36 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).