The year at a glance
Averages from 30 years of climate history, 1991-2020
| Oelwein | Metric | Waterloo |
|---|---|---|
| 190 days | Sunny daysclear or partly cloudy skies | 193 days |
| 37 in | Precipitationper year | 38 in |
| 121 days | Wet daysrain or snow per year | 120 days |
| 39 in | Snowfallper year | 38 in |
| 9 days | Hot daysabove 90 °F | 15 days |
| 153 days | Freezing nightsat or below 32 °F | 143 days |
| 72% | Humidityaverage relative | 71% |
| 47 °F | Average temperatureyear round | 49 °F |
Monthly temperatures
Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.
Daily highs
Daily lows
View monthly temperatures as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oelwein high | 26 | 29 | 44 | 58 | 70 | 80 | 82 | 80 | 75 | 61 | 45 | 32 |
| Waterloo high | 28 | 33 | 47 | 61 | 73 | 82 | 85 | 83 | 77 | 63 | 47 | 34 |
| Oelwein low | 8 | 10 | 24 | 36 | 48 | 59 | 62 | 60 | 51 | 39 | 26 | 15 |
| Waterloo low | 11 | 15 | 27 | 38 | 50 | 61 | 64 | 61 | 52 | 40 | 28 | 17 |
Monthly precipitation
Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.
View monthly precipitation as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oelwein | 1.4 | 1.4 | 2.4 | 4.2 | 4.8 | 5.1 | 4.0 | 3.9 | 3.6 | 2.8 | 2.1 | 1.7 |
| Waterloo | 1.4 | 1.5 | 2.5 | 4.3 | 5.0 | 5.1 | 4.2 | 3.9 | 3.7 | 2.8 | 2.1 | 1.7 |
Monthly sunny days
Days each month with clear or partly cloudy skies, so compare the same month between cities.
View monthly sunny days as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oelwein | 12 | 13 | 15 | 14 | 15 | 16 | 21 | 20 | 20 | 17 | 14 | 13 |
| Waterloo | 12 | 13 | 15 | 14 | 15 | 16 | 21 | 20 | 20 | 17 | 15 | 13 |
Keep comparing
Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.
Oelwein vs another city
- Oelwein vs Independence, IA
- Oelwein vs Manchester, IA
- Oelwein vs Waverly, IA
- Oelwein vs Cedar Falls, IA
- Oelwein vs Decorah, IA
- Oelwein vs New York, NY
- Oelwein vs Los Angeles, CA
- Oelwein vs Chicago, IL
- Oelwein vs Houston, TX
- Oelwein vs Phoenix, AZ
- Oelwein vs Philadelphia, PA
Waterloo vs another city
- Waterloo vs Cedar Falls, IA
- Waterloo vs Waverly, IA
- Waterloo vs Independence, IA
- Waterloo vs Marshalltown, IA
- Waterloo vs Charles City, IA
- Waterloo vs New York, NY
- Waterloo vs Los Angeles, CA
- Waterloo vs Chicago, IL
- Waterloo vs Houston, TX
- Waterloo vs Phoenix, AZ
- Waterloo vs Philadelphia, PA
About this data
Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.
Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).