Hot-summer humid continental climate
Climate Waterloo - Iowa
Annual high58ºF
Annual low37ºF
Precipitation34.56 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 27 | 10 | 0.80 | 8 |
| Feb | 32 | 15 | 0.99 | 7 |
| Mar | 46 | 26 | 2.06 | 4 |
| Apr | 61 | 37 | 3.70 | 2 |
| May | 72 | 49 | 4.53 | 0 |
| Jun | 81 | 59 | 4.98 | 0 |
| Jul | 84 | 63 | 4.91 | 0 |
| Aug | 82 | 60 | 4.27 | 0 |
| Sep | 75 | 51 | 2.63 | 0 |
| Oct | 62 | 39 | 2.48 | 0 |
| Nov | 46 | 27 | 2.01 | 3 |
| Dec | 31 | 13 | 1.20 | 9 |
- JanHigh 27ºFLow 10ºFPrecip 0.80 inch
- FebHigh 32ºFLow 15ºFPrecip 0.99 inch
- MarHigh 46ºFLow 26ºFPrecip 2.06 inch
- AprHigh 61ºFLow 37ºFPrecip 3.70 inch
- MayHigh 72ºFLow 49ºFPrecip 4.53 inch
- JunHigh 81ºFLow 59ºFPrecip 4.98 inch
- JulHigh 84ºFLow 63ºFPrecip 4.91 inch
- AugHigh 82ºFLow 60ºFPrecip 4.27 inch
- SepHigh 75ºFLow 51ºFPrecip 2.63 inch
- OctHigh 62ºFLow 39ºFPrecip 2.48 inch
- NovHigh 46ºFLow 27ºFPrecip 2.01 inch
- DecHigh 31ºFLow 13ºFPrecip 1.20 inch
Climate summary
What is the average weather in Waterloo, Iowa?
Waterloo experiences a humid continental climate, marked by very strong seasonal contrasts. Summers are warm, while winters are cold and bring significant snowfall. Although precipitation is moderate overall, the summer months are notably wetter, with winter moisture often arriving as snow.
Waterloo weather averages
Annual high58ºF
Annual low37ºF
Precipitation34.56 inch
Snowfall33 inch
Daily normals Waterloo - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 29.2 | 12.6 | 0.04 | 0.04 | 0.30 | 0.30 |
| Jan 2 | 29.1 | 12.4 | 0.07 | 0.07 | 0.60 | 0.60 |
| Jan 3 | 28.9 | 12.2 | 0.11 | 0.11 | 0.90 | 0.90 |
| Jan 4 | 28.8 | 12.0 | 0.15 | 0.15 | 1.30 | 1.30 |
| Jan 5 | 28.6 | 11.8 | 0.18 | 0.18 | 1.60 | 1.60 |
| Jan 6 | 28.5 | 11.6 | 0.22 | 0.22 | 1.90 | 1.90 |
| Jan 7 | 28.4 | 11.4 | 0.26 | 0.26 | 2.20 | 2.20 |
| Jan 8 | 28.3 | 11.2 | 0.29 | 0.29 | 2.50 | 2.50 |
| Jan 9 | 28.2 | 11.0 | 0.33 | 0.33 | 2.80 | 2.80 |
| Jan 10 | 28.1 | 10.9 | 0.37 | 0.37 | 3.20 | 3.20 |
| Jan 11 | 28.0 | 10.7 | 0.40 | 0.40 | 3.50 | 3.50 |
| Jan 12 | 28.0 | 10.6 | 0.44 | 0.44 | 3.80 | 3.80 |
| Jan 13 | 27.9 | 10.4 | 0.47 | 0.47 | 4.10 | 4.10 |
| Jan 14 | 27.9 | 10.3 | 0.50 | 0.50 | 4.50 | 4.50 |
| Jan 15 | 27.8 | 10.2 | 0.54 | 0.54 | 4.80 | 4.80 |
| Jan 16 | 27.8 | 10.1 | 0.57 | 0.57 | 5.10 | 5.10 |
| Jan 17 | 27.8 | 10.1 | 0.61 | 0.61 | 5.40 | 5.40 |
| Jan 18 | 27.8 | 10.0 | 0.64 | 0.64 | 5.70 | 5.70 |
| Jan 19 | 27.8 | 10.0 | 0.68 | 0.68 | 6.10 | 6.10 |
| Jan 20 | 27.8 | 9.9 | 0.71 | 0.71 | 6.40 | 6.40 |
| Jan 21 | 27.8 | 9.9 | 0.75 | 0.75 | 6.70 | 6.70 |
| Jan 22 | 27.8 | 9.9 | 0.78 | 0.78 | 7.10 | 7.10 |
| Jan 23 | 27.9 | 9.9 | 0.82 | 0.82 | 7.40 | 7.40 |
| Jan 24 | 27.9 | 10.0 | 0.85 | 0.85 | 7.70 | 7.70 |
| Jan 25 | 28.0 | 10.0 | 0.89 | 0.89 | 8.10 | 8.10 |
| Jan 26 | 28.1 | 10.1 | 0.92 | 0.92 | 8.40 | 8.40 |
| Jan 27 | 28.2 | 10.2 | 0.96 | 0.96 | 8.80 | 8.80 |
| Jan 28 | 28.3 | 10.3 | 0.99 | 0.99 | 9.10 | 9.10 |
| Jan 29 | 28.4 | 10.4 | 1.03 | 1.03 | 9.40 | 9.40 |
| Jan 30 | 28.5 | 10.6 | 1.06 | 1.06 | 9.80 | 9.80 |
| Jan 31 | 28.6 | 10.7 | 1.10 | 1.10 | 10.10 | 10.10 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Waterloo - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 64.9 | 51.1 | 0.00 |
| Nov 2 | – | – | – |
| Nov 3 | – | – | – |
| Nov 4 | 57.9 | 46.0 | 0.02 |
| Nov 5 | – | – | – |
| Nov 6 | – | – | – |
| Nov 7 | – | – | – |
| Nov 8 | – | – | – |
| Nov 9 | – | – | – |
| Nov 10 | – | – | – |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature64.9ºF · Nov 1
- Lowest max temperature57.9ºF · Nov 4
- Highest min temperature51.1ºF · Nov 1
- Lowest min temperature46.0ºF · Nov 4
Geo Waterloo - Iowa
Location
- Country
- United States
- State
- Iowa
- County
- Black Hawk
- City
- Waterloo
- Zip Code
- 50703
- Elevation
- 863 ft
- Longitude
- -92.40
- Latitude
- 42.56
- ICAO
- –
- IATA
- –