Hartley, IA
Climate overview — based on NOAA 1991-2020 normals from EVERLY 3 WNW, IA US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Hartley
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 0.77 in | — | — |
| February | °F | °F | °F | 0.78 in | — | — |
| March | °F | °F | °F | 1.67 in | — | — |
| April | °F | °F | °F | 3.26 in | — | — |
| May | °F | °F | °F | 4.31 in | — | — |
| June | °F | °F | °F | 4.73 in | — | — |
| July | °F | °F | °F | 3.62 in | — | — |
| August | °F | °F | °F | 3.59 in | — | — |
| September | °F | °F | °F | 3.31 in | — | — |
| October | °F | °F | °F | 2.39 in | — | — |
| November | °F | °F | °F | 1.36 in | — | — |
| December | °F | °F | °F | 0.97 in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when