Isabel, SD
Climate overview — based on NOAA 1991-2020 normals from ISABEL 14 NNE, SD US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Isabel
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 0.38 in | 5.1 in | 4 |
| February | °F | °F | °F | 0.64 in | 8.8 in | 5 |
| March | °F | °F | °F | 0.89 in | 6.1 in | 5 |
| April | °F | °F | °F | 1.50 in | 3.9 in | 5 |
| May | °F | °F | °F | 2.69 in | 0.6 in | 8 |
| June | °F | °F | °F | 3.30 in | — | 9 |
| July | °F | °F | °F | 2.81 in | — | 7 |
| August | °F | °F | °F | 2.21 in | — | 5 |
| September | °F | °F | °F | 1.59 in | — | 5 |
| October | °F | °F | °F | 1.75 in | 2.3 in | 4 |
| November | °F | °F | °F | 0.59 in | 4.0 in | 3 |
| December | °F | °F | °F | 0.66 in | 8.4 in | 4 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when