Climate averages 1991–2020
South Bend weather
in August.
A warm, wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in South Bend: daytime highs average 26.7°C and nights cool to about 17.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 97 mm of rain on roughly 11 days, which makes August a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 51 min on an average August day.
The nearest other city in this atlas is Kalamazoo (87 km away). In August its highs average 26.1°C, 0.6°C cooler than South Bend, with 97 mm of rain.
Among the 498 cities listed in the United States, South Bend ranks joint 398th of 498 for the warmest August highs and joint 379th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; South Bend is 3.2°C cooler than that mean.
From August to September, average highs fall by 3.6°C to 23.1°C, and monthly rainfall falls from 97 mm to 83 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
South Bend climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.3°C-7.5°C | -7.5°C | 68 | 10.8 | 9.510 h |
| February | 1.7°C-6.7°C | -6.7°C | 55 | 8.4 | 10.611 h |
| March | 7.8°C-1.8°C | -1.8°C | 72 | 10.9 | 11.912 h |
| April | 14.7°C4.1°C | 4.1°C | 102 | 12.5 | 13.313 h |
| May | 20.7°C10.5°C | 10.5°C | 114 | 13.0 | 14.515 h |
| June | 25.8°C16.1°C | 16.1°C | 106 | 11.8 | 15.115 h |
| July | 27.6°C18.4°C | 18.4°C | 104 | 11.7 | 14.915 h |
| August, selected | 26.7°C17.7°C | 17.7°C | 97 | 10.9 | 13.914 h |
| September | 23.1°C13.9°C | 13.9°C | 83 | 9.8 | 12.513 h |
| October | 16.3°C7.9°C | 7.9°C | 84 | 10.5 | 11.111 h |
| November | 8.8°C1.7°C | 1.7°C | 73 | 9.7 | 9.910 h |
| December | 2.6°C-3.7°C | -3.7°C | 61 | 10.4 | 9.29 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
- Kalamazoo in AugustUnited States · 87 kmHigh 26.1°C · Low 17.3°C · 97 mm rain
- Gary in AugustUnited States · 92 kmHigh 26.3°C · Low 19.7°C · 96 mm rain
- Hammond in AugustUnited States · 104 kmHigh 26.5°C · Low 19.6°C · 94 mm rain
- Fort Wayne in AugustUnited States · 112 kmHigh 26.9°C · Low 17.7°C · 88 mm rain
- Chicago in AugustUnited States · 118 kmHigh 26.4°C · Low 19.7°C · 95 mm rain
- Evanston in AugustUnited States · 126 kmHigh 25.8°C · Low 20.3°C · 92 mm rain
- Cicero in AugustUnited States · 126 kmHigh 26.8°C · Low 19.1°C · 95 mm rain
- Wyoming in AugustUnited States · 144 kmHigh 25.8°C · Low 17.3°C · 92 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 South Bend) is explained once on the South Bend year overview and on the Sources, method and limits page.