Iron River, MI
Climate overview — based on NOAA 1991-2020 normals from STAMBAUGH 2SSE, MI US.
Year-round temperatures (°F)
Climate summary
Iron River has an annual average temperature of 38.5°F with about 30.5 inches of precipitation per year and 67.4 inches of snow. The warmest month is July (average high 77.0°F), and the coldest is February (average low 0.1°F). July is typically the wettest month (4.15 in) and February the driest (0.96 in). Snow typically falls from October through May.
Best time to visit Iron River
Full guide →Climate change signal
All-time records →37 of 366 (10.1%) of Iron River'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.
| 1920s | 24 | |
| 1930s | 67 | |
| 1940s | 51 | |
| 1950s | 22 | |
| 1960s | 26 | |
| 1970s | 36 | |
| 1980s | 28 | |
| 1990s | 26 | |
| 2000s | 29 | |
| 2010s | 34 | |
| 2020s | 23 |
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 | 21.2°F | 0.3°F | 10.7°F | 1.09 in | 14.6 in | 10 |
| February | 25.5°F | 0.1°F | 12.8°F | 0.96 in | 12.5 in | 7 |
| March | 36.8°F | 9.4°F | 23.1°F | 1.49 in | 8.7 in | 8 |
| April | 49.7°F | 24.1°F | 36.9°F | 2.55 in | 7.4 in | 11 |
| May | 64.1°F | 37.2°F | 50.6°F | 3.17 in | 0.3 in | 12 |
| June | 73.3°F | 46.8°F | 60.1°F | 4.00 in | — | 12 |
| July | 77.0°F | 50.4°F | 63.7°F | 4.15 in | — | 12 |
| August | 75.0°F | 47.9°F | 61.5°F | 3.10 in | — | 11 |
| September | 67.3°F | 40.8°F | 54.0°F | 3.48 in | — | 13 |
| October | 53.2°F | 30.5°F | 41.8°F | 3.32 in | 2.1 in | 13 |
| November | 37.9°F | 20.5°F | 29.2°F | 1.76 in | 8.2 in | 11 |
| December | 26.3°F | 8.5°F | 17.4°F | 1.46 in | 13.6 in | 11 |
Climate twins of Iron River
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).