Lafayette weather in July: Lafayette, Louisiana: normal highs, lows, rain and records for July
Lafayette in July has a normal high of 92°F and a normal low of 75°F, a daily mean of 83°F, rising from 91°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 14 days in a normal July, 6.27 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 24°C, 159 mm of precipitation in July.
- 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 July?
The normal high is 92°F and the normal low 75°F, for a daily mean of 83.3°F. July is 1.7°F warmer than June and 0.2°F cooler than August. July is the 2nd warmest month of the year in Lafayette and the 2nd wettest. Across the month the normal high rises 1°F, from 91°F on July 1 to 92°F on July 31. From one year to the next July's mean temperature typically moves about 1.0°F either way (NOAA's standard deviation), so roughly two Julys in three average between 82°F and 84°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 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 91°F | 75°F | 45% | 31% |
| July 8 | 91°F | 75°F | 45% | 31% |
| July 15 | 91°F | 75°F | 45% | 30% |
| July 22 | 92°F | 75°F | 44% | 29% |
| July 31 | 92°F | 75°F | 41% | 28% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 30, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 91°F | 75°F | 45% | 31% | 14 h |
| July 2 | 91°F | 75°F | 45% | 31% | 14 h |
| July 3 | 91°F | 75°F | 45% | 31% | 14 h |
| July 4 | 91°F | 75°F | 45% | 31% | 14 h |
| July 5 | 91°F | 75°F | 45% | 31% | 14 h |
| July 6 | 91°F | 75°F | 45% | 31% | 14 h |
| July 7 | 91°F | 75°F | 45% | 31% | 14 h |
| July 8 | 91°F | 75°F | 45% | 31% | 14 h |
| July 9 | 91°F | 75°F | 45% | 31% | 14 h |
| July 10 | 91°F | 75°F | 45% | 31% | 14 h |
| July 11 | 91°F | 75°F | 45% | 31% | 14 h |
| July 12 | 91°F | 75°F | 45% | 31% | 14 h |
| July 13 | 91°F | 75°F | 45% | 30% | 14 h |
| July 14 | 91°F | 75°F | 45% | 30% | 14 h |
| July 15 | 91°F | 75°F | 45% | 30% | 14 h |
| July 16 | 91°F | 75°F | 45% | 30% | 13 h 50 min |
| July 17 | 92°F | 75°F | 45% | 30% | 13 h 50 min |
| July 18 | 92°F | 75°F | 44% | 30% | 13 h 50 min |
| July 19 | 92°F | 75°F | 44% | 30% | 13 h 50 min |
| July 20 | 92°F | 75°F | 44% | 30% | 13 h 50 min |
| July 21 | 92°F | 75°F | 44% | 29% | 13 h 50 min |
| July 22 | 92°F | 75°F | 44% | 29% | 13 h 50 min |
| July 23 | 92°F | 75°F | 43% | 29% | 13 h 50 min |
| July 24 | 92°F | 75°F | 43% | 29% | 13 h 50 min |
| July 25 | 92°F | 75°F | 43% | 29% | 13 h 50 min |
| July 26 | 92°F | 75°F | 43% | 29% | 13 h 40 min |
| July 27 | 92°F | 75°F | 42% | 29% | 13 h 40 min |
| July 28 | 92°F | 75°F | 42% | 28% | 13 h 40 min |
| July 29 | 92°F | 75°F | 42% | 28% | 13 h 40 min |
| July 30 | 92°F | 75°F | 42% | 28% | 13 h 40 min |
| July 31 | 92°F | 75°F | 41% | 28% | 13 h 40 min |
- Normal high
- 92°FJuly average
- Normal low
- 75°FJuly average
- Precipitation
- 6.27 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 23
- Daylight
- 14 h to 13 h 40 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 79%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 July?
On a given July day the chance of 0.01 inch or more is 44% on average, highest around July 6 (45%). In all, 6.27 in falls on 14 days of a normal July, 2 of them with an inch or more.
In a normal July in Lafayette, 23 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013976.
How humid and windy is Lafayette in July?
At 3 p.m. the normal temperature is 88°F with 60% relative humidity and a dew point of 73°F; at 6 a.m. it is 76°F with 92% humidity. The wind averages 5.0 mph, most often from the south-southwest in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 76°F | 74°F | 92% | 2.7 mph | 81% |
| 9 a.m. | 85°F | 75°F | 73% | 6.5 mph | 66% |
| noon | 88°F | 73°F | 61% | 6.8 mph | 53% |
| 3 p.m. | 88°F | 73°F | 60% | 7.4 mph | 56% |
| 6 p.m. | 85°F | 73°F | 67% | 6.5 mph | 73% |
| 9 p.m. | 80°F | 74°F | 83% | 4.1 mph | 83% |
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 July in Lafayette?
The warmest July temperature on this station's record (since 1893) is 107°F, on July 13, 1901; the coldest is 59°F, on July 4, 1924. The wettest July brought 16.57 in (1967).
The July mean against the 1991-2020 normal of 83.3°F: 2021 83.2°F (−0.1), 2022 84.2°F (+0.9), 2023 86.8°F (+3.5), 2024 85.2°F (+1.9), 2025 83.4°F (+0.1), 2026 84.1°F (+0.8). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 83.2°F | −0.1°F | 13.52 in |
| 2022 | 84.2°F | +0.9°F | 7.76 in |
| 2023 | 86.8°F | +3.5°F | 3.74 in |
| 2024 | 85.2°F | +1.9°F | 9.68 in |
| 2025 | 83.4°F | +0.1°F | 6.70 in |
| 2026 | 84.1°F | +0.8°F | 6.38 in |
Source: records: ACIS, station USW00013976; recent months: ACIS, station USW00013976. Records and recent months use complete months only.
How does July in Lafayette compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, July normal highs run from 89°F in Boothville to 95°F in Natchitoches; Lafayette's is 92°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.