Rochester, Minnesota Weather
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Climate of Rochester: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Rochester, with average daytime highs around 28°C. January is the coolest, when nights typically fall to about -14°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 42°C, so the seasons feel very different from each other.
The area receives about 890 mm of rain in a typical year. Most of it falls from May to June and August to September (around 52% of the yearly total), and June is the wettest month at roughly 138 mm.
For outdoor plans and travel, July usually offers the most comfortable weather in Rochester, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -5° | -14° | 21 mm | 88% |
| Feb | -3° | -13° | 30 mm | 87% |
| Mar | 5° | -5° | 48 mm | 80% |
| Apr | 13° | 1° | 87 mm | 75% |
| May | 20° | 8° | 116 mm | 75% |
| Jun | 25° | 14° | 138 mm | 77% |
| Jul | 28° | 17° | 96 mm | 74% |
| Aug | 26° | 15° | 106 mm | 73% |
| Sep | 22° | 11° | 100 mm | 74% |
| Oct | 14° | 3° | 69 mm | 76% |
| Nov | 5° | -3° | 38 mm | 81% |
| Dec | -2° | -10° | 37 mm | 88% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Rochester. Values describe typical conditions, not a forecast.
About Rochester weather
Rochester lies in Minnesota's humid continental climate, known for cold winters shaped by its northern latitude — about 124 km south-east of Minneapolis. Expect warm summers (June–August). Winter brings very cold winters (December–February) with heavy snow. This page shows live, auto-refreshing weather for Rochester: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Rochester is about 124 km south-east of Minneapolis, in Minnesota.
Rochester sees very cold winters (December–February) with heavy snow.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Rochester's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Rochester, with average daytime highs of about 28°C and nights around 17°C.
The coldest nights come in January, when the average low is about -14°C and daytime highs reach around -5°C. Frost is possible on clear, calm nights.
Rochester receives about 890 mm of rain in a typical year. June is the wettest month at roughly 138 mm, and the main rainy period is May to June and August to September.
July usually offers the most comfortable weather in Rochester, with mild daytime temperatures and little rain.
In November Rochester typically sees daytime highs near 5°C and lows near -3°C, with about 38 mm of rain over the month and average humidity around 81%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Rochester updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Rochester's day-to-day weather follows the broader pattern of Minnesota described above. See the hourly weather forecast or the air quality index for more detail.