Climate averages 1991–2020
South Bend weather
in May.
A mild, wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in South Bend: daytime highs average 20.7°C and nights cool to about 10.5°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 114 mm of rain on roughly 13 days, which makes May a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 31 min on an average May day.
The nearest other city in this atlas is Kalamazoo (87 km away). In May its highs average 20.0°C, 0.7°C cooler than South Bend, with 111 mm of rain.
Among the 498 cities listed in the United States, South Bend ranks joint 348th of 498 for the warmest May highs and joint 422nd of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; South Bend is 3.1°C cooler than that mean.
From May to June, average highs rise by 5.1°C to 25.8°C, and monthly rainfall falls from 114 mm to 106 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Kalamazoo in MayUnited States · 87 kmHigh 20.0°C · Low 10.0°C · 111 mm rain
- Gary in MayUnited States · 92 kmHigh 19.3°C · Low 11.6°C · 112 mm rain
- Hammond in MayUnited States · 104 kmHigh 19.5°C · Low 11.6°C · 113 mm rain
- Fort Wayne in MayUnited States · 112 kmHigh 21.0°C · Low 10.8°C · 103 mm rain
- Chicago in MayUnited States · 118 kmHigh 18.7°C · Low 10.9°C · 110 mm rain
- Evanston in MayUnited States · 126 kmHigh 17.7°C · Low 11.0°C · 104 mm rain
- Cicero in MayUnited States · 126 kmHigh 19.9°C · Low 10.9°C · 110 mm rain
- Wyoming in MayUnited States · 144 kmHigh 19.5°C · Low 9.6°C · 108 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.