Dubuque, IA Weather & Climate Normals
What a normal year in Dubuque actually looks like
On the 30-year record NOAA keeps for Dubuque, IA, the comfort score comes out to 42/100, 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 Dubuque's weather actually swings
Average temperatures in Dubuque run from 19°F in Jan up to 74°F in Jul, a 55.6°F seasonal swing, one of the widest gaps in this dataset.
Dubuque, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 28°F | 10°F | 1.32in | 11.7in |
| Feb | 32°F | 13°F | 1.44in | 8.6in |
| Mar | 45°F | 25°F | 2.1in | 3.7in |
| Apr | 59°F | 38°F | 3.77in | 0.9in |
| May | 71°F | 49°F | 4.44in | 0in |
| Jun | 81°F | 60°F | 5.64in | 0in |
| Jul | 85°F | 64°F | 5.32in | 0in |
| Aug | 82°F | 62°F | 3.75in | 0in |
| Sep | 75°F | 54°F | 3.88in | 0in |
| Oct | 61°F | 42°F | 3.08in | 0.1in |
| Nov | 46°F | 29°F | 2.35in | 1.2in |
| Dec | 33°F | 18°F | 1.74in | 9.9in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Dubuque's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Dubuque actually gets
Over a typical year, Dubuque sees about 38.83in of precipitation a year across roughly 116 days with measurable rain or snow, with 36.1in of snow a year.
Dubuque against the rest of the country
Out of 4876 cities scored here, Dubuque comes in at 4172; within IA alone it ranks 46 of 85. Population is about 58,987.
Checking the actual forecast
These figures come from Dubuque L&D 11, IA US, the NOAA station 4.2 miles from Dubuque, 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