Hot-summer humid continental climate
Climate Grundy Center - Iowa
Annual high57ºF
Annual low36ºF
Precipitation35.4 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 26 | 9 | 0.81 | 8 |
| Feb | 31 | 13 | 0.95 | 7 |
| Mar | 44 | 25 | 2.10 | 5 |
| Apr | 59 | 36 | 3.75 | 2 |
| May | 70 | 48 | 4.60 | 0 |
| Jun | 80 | 58 | 5.26 | 0 |
| Jul | 83 | 62 | 4.72 | 0 |
| Aug | 81 | 60 | 4.23 | 0 |
| Sep | 74 | 50 | 3.01 | 0 |
| Oct | 62 | 38 | 2.48 | 0 |
| Nov | 45 | 26 | 2.18 | 3 |
| Dec | 30 | 13 | 1.31 | 10 |
- JanHigh 26ºFLow 9ºFPrecip 0.81 inch
- FebHigh 31ºFLow 13ºFPrecip 0.95 inch
- MarHigh 44ºFLow 25ºFPrecip 2.10 inch
- AprHigh 59ºFLow 36ºFPrecip 3.75 inch
- MayHigh 70ºFLow 48ºFPrecip 4.60 inch
- JunHigh 80ºFLow 58ºFPrecip 5.26 inch
- JulHigh 83ºFLow 62ºFPrecip 4.72 inch
- AugHigh 81ºFLow 60ºFPrecip 4.23 inch
- SepHigh 74ºFLow 50ºFPrecip 3.01 inch
- OctHigh 62ºFLow 38ºFPrecip 2.48 inch
- NovHigh 45ºFLow 26ºFPrecip 2.18 inch
- DecHigh 30ºFLow 13ºFPrecip 1.31 inch
Climate summary
What is the average weather in Grundy Center, Iowa?
Grundy Center experiences a humid continental climate with very strong seasonal contrasts. Summers are warm and fairly wet, with June being the wettest month. Winters are cold and snowy, bringing significant snowfall. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Grundy Center weather averages
Annual high57ºF
Annual low36ºF
Precipitation35.4 inch
Snowfall35 inch
Daily normals Grundy Center - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 27.3 | 10.6 | 0.03 | 0.03 | 0.30 | 0.30 |
| Jan 2 | 27.1 | 10.4 | 0.06 | 0.06 | 0.60 | 0.60 |
| Jan 3 | 26.9 | 10.2 | 0.09 | 0.09 | 0.90 | 0.90 |
| Jan 4 | 26.8 | 10.0 | 0.13 | 0.13 | 1.20 | 1.20 |
| Jan 5 | 26.6 | 9.8 | 0.16 | 0.16 | 1.50 | 1.50 |
| Jan 6 | 26.4 | 9.6 | 0.18 | 0.18 | 1.80 | 1.80 |
| Jan 7 | 26.3 | 9.4 | 0.21 | 0.21 | 2.20 | 2.20 |
| Jan 8 | 26.2 | 9.2 | 0.24 | 0.24 | 2.50 | 2.50 |
| Jan 9 | 26.1 | 9.1 | 0.27 | 0.27 | 2.80 | 2.80 |
| Jan 10 | 26.0 | 8.9 | 0.30 | 0.30 | 3.10 | 3.10 |
| Jan 11 | 25.9 | 8.8 | 0.33 | 0.33 | 3.50 | 3.50 |
| Jan 12 | 25.8 | 8.6 | 0.36 | 0.36 | 3.80 | 3.80 |
| Jan 13 | 25.7 | 8.5 | 0.38 | 0.38 | 4.10 | 4.10 |
| Jan 14 | 25.7 | 8.4 | 0.41 | 0.41 | 4.50 | 4.50 |
| Jan 15 | 25.6 | 8.3 | 0.43 | 0.43 | 4.80 | 4.80 |
| Jan 16 | 25.6 | 8.2 | 0.46 | 0.46 | 5.10 | 5.10 |
| Jan 17 | 25.6 | 8.1 | 0.49 | 0.49 | 5.40 | 5.40 |
| Jan 18 | 25.6 | 8.0 | 0.51 | 0.51 | 5.70 | 5.70 |
| Jan 19 | 25.6 | 8.0 | 0.54 | 0.54 | 6.00 | 6.00 |
| Jan 20 | 25.6 | 8.0 | 0.56 | 0.56 | 6.20 | 6.20 |
| Jan 21 | 25.6 | 7.9 | 0.58 | 0.58 | 6.50 | 6.50 |
| Jan 22 | 25.7 | 7.9 | 0.61 | 0.61 | 6.80 | 6.80 |
| Jan 23 | 25.8 | 7.9 | 0.63 | 0.63 | 7.00 | 7.00 |
| Jan 24 | 25.8 | 8.0 | 0.66 | 0.66 | 7.30 | 7.30 |
| Jan 25 | 25.9 | 8.0 | 0.68 | 0.68 | 7.60 | 7.60 |
| Jan 26 | 26.0 | 8.1 | 0.71 | 0.71 | 7.90 | 7.90 |
| Jan 27 | 26.1 | 8.1 | 0.73 | 0.73 | 8.10 | 8.10 |
| Jan 28 | 26.2 | 8.2 | 0.76 | 0.76 | 8.40 | 8.40 |
| Jan 29 | 26.4 | 8.3 | 0.78 | 0.78 | 8.70 | 8.70 |
| Jan 30 | 26.5 | 8.5 | 0.80 | 0.80 | 8.90 | 8.90 |
| Jan 31 | 26.7 | 8.6 | 0.83 | 0.83 | 9.20 | 9.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Grundy Center - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 90.0 | 69.1 | 0.00 |
| Sep 2 | – | – | – |
| Sep 3 | – | – | – |
| Sep 4 | – | – | – |
| Sep 5 | 91.9 | 69.1 | 0.00 |
| Sep 6 | 86.0 | 66.0 | 0.00 |
| Sep 7 | 75.9 | 64.9 | 0.00 |
| Sep 8 | 78.1 | 66.0 | 0.00 |
| Sep 9 | – | – | – |
| Sep 10 | – | – | – |
| Sep 11 | – | – | – |
| Sep 12 | – | – | – |
| Sep 13 | – | – | – |
| Sep 14 | – | – | – |
| Sep 15 | – | – | – |
| Sep 16 | – | – | – |
| Sep 17 | – | – | – |
| Sep 18 | – | – | – |
| Sep 19 | 77.0 | 63.0 | 1.44 |
| Sep 20 | 77.0 | 62.1 | 0.50 |
| Sep 21 | 64.9 | 55.0 | 0.13 |
| Sep 22 | 57.9 | 53.1 | 0.96 |
| Sep 23 | – | – | – |
| Sep 24 | – | – | – |
| Sep 25 | – | – | – |
| Sep 26 | 64.9 | 57.9 | T |
| Sep 27 | 66.0 | 57.0 | 1.15 |
| Sep 28 | 66.0 | 57.0 | 0.30 |
| Sep 29 | 75.0 | 53.1 | 0.02 |
| Sep 30 | 73.9 | 53.1 | 0.30 |
The data for September 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 temperature91.9ºF · Sep 5
- Lowest max temperature57.9ºF · Sep 22
- Highest min temperature69.1ºF · Sep 1
- Lowest min temperature53.1ºF · Sep 22
Geo Grundy Center - Iowa
Location
- Country
- United States
- State
- Iowa
- County
- Grundy
- City
- Grundy Center
- Zip Code
- 50638
- Elevation
- 1063 ft
- Longitude
- -92.84
- Latitude
- 42.35
- ICAO
- –
- IATA
- –