Mackinaw City, MI
Climate overview — based on NOAA 1991-2020 normals from ST IGNACE MACKINAC BR, MI US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Mackinaw City has an annual average temperature of 44.3°F with about 0 inches of precipitation per year. The warmest month is July (average high 75.2°F), and the coldest is February (average low 13.5°F).
Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
47.3°F
warmest to coldest month
Best time to visit Mackinaw City
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Mackinaw City'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.
| 1970s | 55 | |
| 1980s | 87 | |
| 1990s | 99 | |
| 2000s | 125 |
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 | 26.2°F | 13.6°F | 19.9°F | in | — | — |
| February | 28.7°F | 13.5°F | 21.1°F | in | — | — |
| March | 36.5°F | 19.9°F | 28.2°F | in | — | — |
| April | 48.0°F | 31.2°F | 39.6°F | in | — | — |
| May | 60.8°F | 41.9°F | 51.4°F | in | — | — |
| June | 70.6°F | 52.4°F | 61.5°F | in | — | — |
| July | 75.2°F | 59.1°F | 67.2°F | in | — | — |
| August | 75.2°F | 59.0°F | 67.1°F | in | — | — |
| September | 69.1°F | 53.1°F | 61.1°F | in | — | — |
| October | 55.7°F | 42.1°F | 48.9°F | in | — | — |
| November | 42.8°F | 31.7°F | 37.2°F | in | — | — |
| December | 32.8°F | 22.8°F | 27.8°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when