Climate averages 1991–2020
Lafayette (Indiana), United States weather
in August.
A warm, moderately wet month: the 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Lafayette (Indiana), United States: daytime highs average 27.6°C and nights cool to about 18.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 82 mm of rain on roughly 10 days, which makes August a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 47 min on an average August day.
The nearest other city in this atlas is Carmel (81 km away). In August its highs average 27.5°C, about as warm as Lafayette (Indiana), United States, with 74 mm of rain.
Among the 498 cities listed in the United States, Lafayette (Indiana), United States ranks joint 344th of 498 for the warmest August highs and joint 273rd of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Lafayette (Indiana), United States is 2.3°C cooler than that mean.
From August to September, average highs fall by 3.1°C to 24.5°C, and monthly rainfall falls from 82 mm to 68 mm.
The annual picture
August in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Lafayette (Indiana), United States climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.1°C-6.8°C | -6.8°C | 70 | 9.1 | 9.610 h |
| February | 3.7°C-5.4°C | -5.4°C | 59 | 8.2 | 10.611 h |
| March | 9.7°C-0.4°C | -0.4°C | 84 | 10.4 | 11.912 h |
| April | 16.4°C5.7°C | 5.7°C | 109 | 11.7 | 13.313 h |
| May | 21.9°C11.9°C | 11.9°C | 109 | 13.3 | 14.414 h |
| June | 26.4°C17.0°C | 17.0°C | 110 | 12.8 | 15.015 h |
| July | 28.1°C19.0°C | 19.0°C | 92 | 11.2 | 14.715 h |
| August, selected | 27.6°C18.4°C | 18.4°C | 82 | 9.8 | 13.814 h |
| September | 24.5°C14.7°C | 14.7°C | 68 | 8.1 | 12.513 h |
| October | 17.7°C8.5°C | 8.5°C | 79 | 9.0 | 11.211 h |
| November | 10.0°C2.0°C | 2.0°C | 78 | 8.5 | 10.010 h |
| December | 3.7°C-3.6°C | -3.6°C | 64 | 9.2 | 9.39 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Carmel in AugustUnited States · 81 kmHigh 27.5°C · Low 18.5°C · 74 mm rain
- Fishers in AugustUnited States · 89 kmHigh 27.6°C · Low 18.4°C · 74 mm rain
- Indianapolis in AugustUnited States · 94 kmHigh 28.0°C · Low 18.9°C · 72 mm rain
- Champaign in AugustUnited States · 121 kmHigh 27.9°C · Low 18.7°C · 74 mm rain
- Muncie in AugustUnited States · 129 kmHigh 27.1°C · Low 18.0°C · 79 mm rain
- Gary in AugustUnited States · 137 kmHigh 26.3°C · Low 19.7°C · 96 mm rain
- Hammond in AugustUnited States · 140 kmHigh 26.5°C · Low 19.6°C · 94 mm rain
- Bloomington (Indiana), United States in AugustUnited States · 142 kmHigh 28.8°C · Low 19.3°C · 79 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lafayette) is explained once on the Lafayette (Indiana), United States year overview and on the Sources, method and limits page.