Peterson, IA
Climate overview — based on NOAA 1991-2020 normals from SIOUX RAPIDS 4 E, IA US.
Year-round temperatures (°F)
Climate summary
Peterson has an annual average temperature of 46.4°F with about 32 inches of precipitation per year and 35.2 inches of snow. The warmest month is July (average high 81.9°F), and the coldest is January (average low 8.2°F). June is typically the wettest month (5.05 in) and January the driest (0.62 in). Snow typically falls from October through May.
Best time to visit Peterson
Full guide →Climate change signal
All-time records →54 of 366 (14.8%) of Peterson'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.
| 1940s | 80 | |
| 1950s | 49 | |
| 1960s | 34 | |
| 1970s | 29 | |
| 1980s | 37 | |
| 1990s | 25 | |
| 2000s | 34 | |
| 2010s | 37 | |
| 2020s | 41 |
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 | 25.3°F | 8.2°F | 16.7°F | 0.62 in | 8.0 in | 6 |
| February | 29.9°F | 12.8°F | 21.4°F | 0.83 in | 6.9 in | 6 |
| March | 43.1°F | 24.7°F | 33.9°F | 1.76 in | 6.5 in | 7 |
| April | 58.2°F | 36.0°F | 47.1°F | 3.58 in | 2.3 in | 10 |
| May | 69.9°F | 48.3°F | 59.1°F | 4.19 in | 0.3 in | 12 |
| June | 79.9°F | 59.1°F | 69.5°F | 5.05 in | — | 11 |
| July | 81.9°F | 62.2°F | 72.1°F | 3.29 in | — | 8 |
| August | 79.2°F | 59.3°F | 69.2°F | 4.41 in | — | 8 |
| September | 73.6°F | 51.1°F | 62.4°F | 3.39 in | — | 8 |
| October | 60.5°F | 38.5°F | 49.5°F | 2.51 in | 0.7 in | 8 |
| November | 43.9°F | 25.1°F | 34.5°F | 1.42 in | 3.8 in | 6 |
| December | 29.8°F | 14.0°F | 21.9°F | 0.94 in | 6.7 in | 6 |
Climate twins of Peterson
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).