Climate averages 1991–2020
Rochester Hills weather
in August.
A warm, moderately 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 Rochester Hills: daytime highs average 25.8°C and nights cool to about 17.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 82 mm of rain on roughly 11 days, which makes August a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 55 min on an average August day.
The nearest other city in this atlas is Troy (6 km away). In August its highs average 25.9°C, about as warm as Rochester Hills, with 80 mm of rain.
Among the 498 cities listed in the United States, Rochester Hills ranks joint 456th 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; Rochester Hills is 4.1°C cooler than that mean.
From August to September, average highs fall by 3.8°C to 22.0°C, and monthly rainfall falls from 82 mm to 75 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
Rochester Hills climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -1.0°C-8.4°C | -8.4°C | 59 | 9.6 | 9.49 h |
| February | 0.5°C-8.0°C | -8.0°C | 53 | 8.0 | 10.511 h |
| March | 5.9°C-3.3°C | -3.3°C | 60 | 9.9 | 11.912 h |
| April | 13.0°C3.2°C | 3.2°C | 92 | 12.1 | 13.413 h |
| May | 19.5°C9.9°C | 9.9°C | 98 | 12.7 | 14.615 h |
| June | 24.7°C15.6°C | 15.6°C | 100 | 11.2 | 15.315 h |
| July | 26.9°C18.3°C | 18.3°C | 83 | 11.5 | 15.015 h |
| August, selected | 25.8°C17.7°C | 17.7°C | 82 | 10.6 | 13.914 h |
| September | 22.0°C14.0°C | 14.0°C | 75 | 9.5 | 12.513 h |
| October | 15.0°C7.7°C | 7.7°C | 75 | 10.0 | 11.111 h |
| November | 7.7°C1.4°C | 1.4°C | 67 | 9.2 | 9.810 h |
| December | 1.8°C-4.1°C | -4.1°C | 56 | 9.4 | 9.19 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
- Troy in AugustUnited States · 6 kmHigh 25.9°C · Low 17.9°C · 80 mm rain
- Shelby in AugustUnited States · 10 kmHigh 25.9°C · Low 18.0°C · 76 mm rain
- Sterling Heights in AugustUnited States · 13 kmHigh 26.1°C · Low 18.3°C · 72 mm rain
- Clinton Township in AugustUnited States · 20 kmHigh 25.9°C · Low 18.5°C · 72 mm rain
- Southfield in AugustUnited States · 21 kmHigh 26.2°C · Low 17.9°C · 80 mm rain
- Waterford in AugustUnited States · 22 kmHigh 25.7°C · Low 17.3°C · 78 mm rain
- Warren in AugustUnited States · 22 kmHigh 26.2°C · Low 18.0°C · 72 mm rain
- Farmington Hills in AugustUnited States · 27 kmHigh 26.1°C · Low 17.5°C · 81 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 Rochester Hills) is explained once on the Rochester Hills year overview and on the Sources, method and limits page.