Sergeant Bluff, IA
Climate overview — based on NOAA 1991-2020 normals from SIOUX CITY ANG, IA US.
Year-round temperatures (°F)
Climate summary
Sergeant Bluff has an annual average temperature of 48°F with about 30.3 inches of precipitation per year. The warmest month is July (average high 85.7°F), and the coldest is January (average low 8.7°F). June is typically the wettest month (4.62 in) and January the driest (0.66 in).
Best time to visit Sergeant Bluff
Full guide →Climate change signal
All-time records →248 of 366 (67.8%) of Sergeant Bluff'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.
| 2010s | 199 | |
| 2020s | 167 |
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 | 29.7°F | 8.7°F | 19.2°F | 0.66 in | — | — |
| February | 34.6°F | 12.5°F | 23.5°F | 0.88 in | — | — |
| March | 47.4°F | 23.9°F | 35.6°F | 1.62 in | — | — |
| April | 60.7°F | 34.8°F | 47.7°F | 3.07 in | — | — |
| May | 71.6°F | 47.3°F | 59.4°F | 4.44 in | — | — |
| June | 82.1°F | 57.9°F | 70.0°F | 4.62 in | — | — |
| July | 85.7°F | 63.3°F | 74.5°F | 3.36 in | — | — |
| August | 83.0°F | 60.9°F | 72.0°F | 3.93 in | — | — |
| September | 77.3°F | 50.9°F | 64.1°F | 2.99 in | — | — |
| October | 63.8°F | 37.3°F | 50.6°F | 2.38 in | — | — |
| November | 47.3°F | 24.3°F | 35.8°F | 1.36 in | — | — |
| December | 33.9°F | 13.7°F | 23.8°F | 0.97 in | — | — |
Climate twins of Sergeant Bluff
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).