Sergeant Bluff, IA Weather & Climate Normals
What a normal year in Sergeant Bluff actually looks like
On the 30-year record NOAA keeps for Sergeant Bluff, IA, the comfort score comes out to 47/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Sergeant Bluff's weather actually swings
Average temperatures in Sergeant Bluff run from 19°F in Jan up to 75°F in Jul, a 55.3°F seasonal swing, one of the widest gaps in this dataset.
Sergeant Bluff, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 30°F | 9°F | 0.66in |
| Feb | 35°F | 13°F | 0.88in |
| Mar | 47°F | 24°F | 1.62in |
| Apr | 61°F | 35°F | 3.07in |
| May | 72°F | 47°F | 4.44in |
| Jun | 82°F | 58°F | 4.62in |
| Jul | 86°F | 63°F | 3.36in |
| Aug | 83°F | 61°F | 3.93in |
| Sep | 77°F | 51°F | 2.99in |
| Oct | 64°F | 37°F | 2.38in |
| Nov | 47°F | 24°F | 1.36in |
| Dec | 34°F | 14°F | 0.97in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Sergeant Bluff's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Sergeant Bluff actually gets
Sergeant Bluff averages 30.28in of precipitation a year across roughly 0 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Sergeant Bluff against the rest of the country
Out of 4876 cities scored here, Sergeant Bluff comes in at 2877; within IA alone it ranks 12 of 85. Population is about 5,335.
Checking the actual forecast
These figures come from Sioux City Ang, IA US, the NOAA station 1.4 miles from Sergeant Bluff, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station