Lafayette weather in July

In July, Lafayette sees average daytime highs of 90°F and overnight lows near 75°F, with 4.9 in of rain across 17.5 wet days and about 13.8 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 90°F through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of July to 13 h 30 min by month's end. Set against the rest of the year, July is Lafayette's 12th-clearest and 11th-windiest month. For the whole year in context, see Lafayette's year-round climate.

Daytime high
90°
2nd warmest
Overnight low
75°
12th coldest
Rainfall
4.9 in
17.5 wet days
Daylight
13 h 48 min
5:20 AM – 7:07 PM
Cloud cover
62%
12th clearest
Wind
5 mph
11th windiest
Solar energy
5.93 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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 90°F through the month.

A typical July day in Lafayette reaches about 90°F in the afternoon and slips back to 75°F overnight — a 15°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, July runs on par with June and on par with August.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19074
29074
39074
49074
59074
69075
79075
89075
99075
109075
119075
129075
139075
149075
159075
169075
179075
189075
199075
209075
219075
229075
239075
249075
259075
269075
279075
289175
299175
309175
319175

How July really feels in Lafayette

Once humidity and wind are folded in, July 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.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lafayette weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 44°5.09.510.35.4
Feb65° / 47°4.28.810.96.0
Mar72° / 53°4.310.111.86.7
Apr78° / 59°4.39.112.77.0
May85° / 67°3.69.713.55.5
Jun89° / 73°4.514.213.93.7
Jul90° / 75°4.917.513.83.2
Aug91° / 74°4.816.113.13.2
Sep88° / 70°3.811.212.24.5
Oct80° / 60°3.87.711.37.0
Nov71° / 51°3.58.210.57.1
Dec64° / 46°4.69.210.15.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24951
34951
44951
54951
65050
74951
84951
94852
104951
114951
124852
134852
144753
154852
164753
174753
184753
194654
204654
214654
224654
234654
244753
254753
264654
274654
284753
294852
304951
314951

Chance of precipitation in July

Any precipitation

Lafayette gets around 4.9 in of rain over 17.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 59% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
253
353
453
553
654
755
855
956
1057
1157
1258
1358
1458
1558
1659
1759
1859
1958
2058
2158
2258
2357
2457
2556
2655
2754
2854
2953
3052
3152

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1477316
2377317
3367417
4357418
5357418
6247519
7247519
8247420
9247420
10147421
11137422
12137323
13137224
14137026
15136927
16146728
17146530
18246331
19246232
20246133
21255934
22255835
23255736
24255637
25265537
26265537
27265537
28265636
29265636
30265735
31265735

Wind in July

Winds average 5 mph in July.

Across July, 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.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 54 min at the start of July to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:14 AM to 5:29 AM, and sunset from 7:09 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:147:09
213.95:147:09
313.95:147:09
413.95:157:09
513.95:157:09
613.95:167:09
713.95:167:09
813.95:167:09
913.95:177:09
1013.95:177:08
1113.85:187:08
1213.85:187:08
1313.85:197:08
1413.85:197:08
1513.85:207:07
1613.85:207:07
1713.85:217:07
1813.75:227:06
1913.75:227:06
2013.75:237:05
2113.75:237:05
2213.75:247:04
2313.75:247:04
2413.65:257:03
2513.65:267:03
2613.65:267:02
2713.65:277:02
2813.65:277:01
2913.55:287:00
3013.55:297:00
3113.55:296:59

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.93 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 — July's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in July

Hazard calendar for Lafayette

In seasonPeak

In July, 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.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Lafayette?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
11th-best month of the year
5.3
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Lafayette.

What to pack for Lafayette in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Lafayette sees daytime highs around 90°F and nights near 75°F. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Lafayette in July

The nearest coast averages about 86°F in July — 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.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb60Cool
Mar65Cool
Apr72Refreshing
May78Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep83Tropical
Oct76Warm
Nov68Cool
Dec62Cool

UV index in Lafayette in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highExtremeVery highHighModerateJul 13UV 10Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Extreme
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Lafayette in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodGoodJul 1521 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar11Good
Apr11Good
May14Moderate
Jun18Moderate
Jul22Moderate
Aug16Moderate
Sep12Moderate
Oct9Good
Nov13Moderate
Dec8Good
Location & terrain

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.

2 miles
85 ft
10 miles
121 ft
50 miles
233 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: New Iberia 19 mi · Opelousas 22 mi · Baton Rouge 52 mi · Zachary 59 mi · Shenandoah 62 mi · Prairieville 63 mi · Central 63 mi · Lake Charles 71 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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).