Davenport, IA Weather & Climate Normals
What a normal year in Davenport actually looks like
On the 30-year record NOAA keeps for Davenport, IA, the comfort score comes out to 48/100, 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 Davenport's weather actually swings
Average temperatures in Davenport run from 22°F in Jan up to 74°F in Jul, a 52.2°F seasonal swing, one of the widest gaps in this dataset.
Davenport, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 31°F | 13°F | 1.49in |
| Feb | 36°F | 18°F | 1.78in |
| Mar | 48°F | 28°F | 2.62in |
| Apr | 61°F | 39°F | 3.81in |
| May | 72°F | 51°F | 5.12in |
| Jun | 81°F | 61°F | 5.22in |
| Jul | 84°F | 65°F | 4.22in |
| Aug | 82°F | 63°F | 4.03in |
| Sep | 77°F | 55°F | 3.31in |
| Oct | 64°F | 43°F | 2.89in |
| Nov | 49°F | 30°F | 2.3in |
| Dec | 36°F | 20°F | 2.02in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Davenport's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Davenport actually gets
Davenport averages 38.81in of precipitation a year across roughly 123 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Davenport against the rest of the country
Out of 4876 cities scored here, Davenport comes in at 2295; within IA alone it ranks 1 of 85. Population is about 100,938.
Checking the actual forecast
These figures come from Rock Island L&D 15, IL US, the NOAA station 3.4 miles from Davenport, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is