Winona, MN
Climate overview — based on NOAA 1991-2020 normals from WINONA, MN US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Winona has an annual average temperature of 48.8°F with about 0 inches of precipitation per year. The warmest month is July (average high 84.6°F), and the coldest is January (average low 10.7°F).
Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
55.9°F
warmest to coldest month
Best time to visit Winona
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Winona's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 14 | |
| 1900s | 7 | |
| 1910s | 30 | |
| 1920s | 37 | |
| 1930s | 81 | |
| 1940s | 30 | |
| 1950s | 30 | |
| 1960s | 26 | |
| 1970s | 17 | |
| 1980s | 33 | |
| 1990s | 27 | |
| 2000s | 34 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 27.2°F | 10.7°F | 18.9°F | in | — | — |
| February | 31.9°F | 15.3°F | 23.6°F | in | — | — |
| March | 44.7°F | 26.0°F | 35.4°F | in | — | — |
| April | 59.4°F | 39.1°F | 49.2°F | in | — | — |
| May | 71.8°F | 50.8°F | 61.3°F | in | — | — |
| June | 80.2°F | 60.6°F | 70.4°F | in | — | — |
| July | 84.6°F | 65.0°F | 74.8°F | in | — | — |
| August | 82.1°F | 63.1°F | 72.6°F | in | — | — |
| September | 74.9°F | 55.0°F | 65.0°F | in | — | — |
| October | 61.3°F | 42.4°F | 51.9°F | in | — | — |
| November | 44.9°F | 29.7°F | 37.3°F | in | — | — |
| December | 31.9°F | 18.2°F | 25.0°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when