Hot-summer humid continental climate
Climate Rock Rapids - Iowa
Annual high57ºF
Annual low34ºF
Precipitation28.59 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 26 | 5 | 0.52 | 5 |
| Feb | 31 | 10 | 0.59 | 3 |
| Mar | 43 | 22 | 1.81 | 6 |
| Apr | 59 | 34 | 3.11 | 2 |
| May | 71 | 47 | 3.29 | 0 |
| Jun | 80 | 57 | 4.63 | 0 |
| Jul | 85 | 61 | 3.69 | 0 |
| Aug | 83 | 58 | 3.50 | 0 |
| Sep | 74 | 48 | 3.13 | 0 |
| Oct | 61 | 35 | 2.09 | 1 |
| Nov | 43 | 22 | 1.45 | 4 |
| Dec | 29 | 9 | 0.78 | 8 |
- JanHigh 26ºFLow 5ºFPrecip 0.52 inch
- FebHigh 31ºFLow 10ºFPrecip 0.59 inch
- MarHigh 43ºFLow 22ºFPrecip 1.81 inch
- AprHigh 59ºFLow 34ºFPrecip 3.11 inch
- MayHigh 71ºFLow 47ºFPrecip 3.29 inch
- JunHigh 80ºFLow 57ºFPrecip 4.63 inch
- JulHigh 85ºFLow 61ºFPrecip 3.69 inch
- AugHigh 83ºFLow 58ºFPrecip 3.50 inch
- SepHigh 74ºFLow 48ºFPrecip 3.13 inch
- OctHigh 61ºFLow 35ºFPrecip 2.09 inch
- NovHigh 43ºFLow 22ºFPrecip 1.45 inch
- DecHigh 29ºFLow 9ºFPrecip 0.78 inch
Climate summary
What is the average weather in Rock Rapids, Iowa?
Rock Rapids experiences a humid continental climate, marked by a very strong seasonal temperature contrast. Summers are warm, but winters are very cold and bring regular snowfall. The area receives moderate precipitation annually, with a strong pattern of wetter summers and drier winters. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Rock Rapids weather averages
Annual high57ºF
Annual low34ºF
Precipitation28.59 inch
Snowfall29 inch
Daily normals Rock Rapids - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 25.7 | 7.7 | 0.02 | 0.02 | 0.20 | 0.20 |
| Jan 2 | 25.5 | 7.5 | 0.04 | 0.04 | 0.40 | 0.40 |
| Jan 3 | 25.4 | 7.3 | 0.06 | 0.06 | 0.60 | 0.60 |
| Jan 4 | 25.3 | 7.1 | 0.09 | 0.09 | 0.80 | 0.80 |
| Jan 5 | 25.2 | 6.9 | 0.11 | 0.11 | 1.00 | 1.00 |
| Jan 6 | 25.1 | 6.7 | 0.13 | 0.13 | 1.20 | 1.20 |
| Jan 7 | 25.0 | 6.6 | 0.15 | 0.15 | 1.50 | 1.50 |
| Jan 8 | 24.9 | 6.4 | 0.18 | 0.18 | 1.70 | 1.70 |
| Jan 9 | 24.8 | 6.3 | 0.20 | 0.20 | 1.90 | 1.90 |
| Jan 10 | 24.8 | 6.1 | 0.22 | 0.22 | 2.10 | 2.10 |
| Jan 11 | 24.8 | 6.0 | 0.24 | 0.24 | 2.40 | 2.40 |
| Jan 12 | 24.7 | 5.9 | 0.26 | 0.26 | 2.60 | 2.60 |
| Jan 13 | 24.7 | 5.8 | 0.28 | 0.28 | 2.80 | 2.80 |
| Jan 14 | 24.7 | 5.7 | 0.30 | 0.30 | 3.00 | 3.00 |
| Jan 15 | 24.7 | 5.7 | 0.31 | 0.31 | 3.10 | 3.10 |
| Jan 16 | 24.8 | 5.6 | 0.33 | 0.33 | 3.30 | 3.30 |
| Jan 17 | 24.8 | 5.5 | 0.35 | 0.35 | 3.50 | 3.50 |
| Jan 18 | 24.8 | 5.5 | 0.36 | 0.36 | 3.70 | 3.70 |
| Jan 19 | 24.9 | 5.5 | 0.38 | 0.38 | 3.80 | 3.80 |
| Jan 20 | 24.9 | 5.5 | 0.40 | 0.40 | 4.00 | 4.00 |
| Jan 21 | 25.0 | 5.5 | 0.42 | 0.42 | 4.10 | 4.10 |
| Jan 22 | 25.1 | 5.5 | 0.43 | 0.43 | 4.30 | 4.30 |
| Jan 23 | 25.2 | 5.6 | 0.45 | 0.45 | 4.50 | 4.50 |
| Jan 24 | 25.3 | 5.6 | 0.47 | 0.47 | 4.70 | 4.70 |
| Jan 25 | 25.4 | 5.7 | 0.49 | 0.49 | 4.80 | 4.80 |
| Jan 26 | 25.6 | 5.7 | 0.51 | 0.51 | 5.00 | 5.00 |
| Jan 27 | 25.7 | 5.8 | 0.53 | 0.53 | 5.20 | 5.20 |
| Jan 28 | 25.8 | 5.9 | 0.55 | 0.55 | 5.40 | 5.40 |
| Jan 29 | 26.0 | 6.1 | 0.57 | 0.57 | 5.60 | 5.60 |
| Jan 30 | 26.2 | 6.2 | 0.59 | 0.59 | 5.80 | 5.80 |
| Jan 31 | 26.3 | 6.3 | 0.61 | 0.61 | 6.00 | 6.00 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Rock Rapids - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 75.0 | 57.9 | 0.00 |
| Oct 2 | 68.0 | 39.9 | 0.00 |
| Oct 3 | – | – | – |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | 77.0 | 45.0 | 0.00 |
| Oct 9 | 75.9 | 44.1 | 0.00 |
| Oct 10 | 78.1 | 51.1 | 0.00 |
| Oct 11 | 89.1 | 51.1 | 0.00 |
| Oct 12 | 89.1 | 55.0 | 0.00 |
| Oct 13 | 79.0 | 48.0 | 0.00 |
| Oct 14 | 62.1 | 42.1 | 0.00 |
| Oct 15 | 57.9 | 46.0 | 0.43 |
| Oct 16 | 51.1 | 43.0 | 0.37 |
| Oct 17 | 52.0 | 30.0 | 0.00 |
| Oct 18 | 61.0 | 32.0 | 0.00 |
| Oct 19 | 71.1 | 36.0 | 0.00 |
| Oct 20 | – | – | – |
| Oct 21 | – | – | – |
| Oct 22 | 73.9 | 44.1 | 0.00 |
| Oct 23 | 78.1 | 44.1 | 0.03 |
| Oct 24 | 73.9 | 55.9 | 0.00 |
| Oct 25 | 66.0 | 44.1 | 0.08 |
| Oct 26 | 52.0 | 41.0 | 0.39 |
| Oct 27 | 45.0 | 41.0 | 0.40 |
| Oct 28 | 54.0 | 43.0 | 0.00 |
| Oct 29 | 64.0 | 35.1 | 0.00 |
| Oct 30 | 64.9 | 34.0 | 0.00 |
| Oct 31 | – | – | – |
The data for October 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 temperature89.1ºF · Oct 11
- Lowest max temperature45.0ºF · Oct 27
- Highest min temperature57.9ºF · Oct 1
- Lowest min temperature30.0ºF · Oct 17
Geo Rock Rapids - Iowa
Location
- Country
- United States
- State
- Iowa
- County
- Lyon
- City
- Rock Rapids
- Zip Code
- 51246
- Elevation
- 1355 ft
- Longitude
- -96.18
- Latitude
- 43.45
- ICAO
- –
- IATA
- –