Hot-summer humid continental climate
Climate Sigourney - Iowa
Annual high59ºF
Annual low39ºF
Precipitation37 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 30 | 12 | 1.12 | 8 |
| Feb | 35 | 16 | 1.26 | 8 |
| Mar | 48 | 27 | 2.51 | 4 |
| Apr | 61 | 39 | 3.46 | 1 |
| May | 71 | 50 | 4.58 | 0 |
| Jun | 80 | 60 | 4.81 | 0 |
| Jul | 85 | 64 | 4.09 | 0 |
| Aug | 83 | 62 | 4.90 | 0 |
| Sep | 75 | 52 | 3.56 | 0 |
| Oct | 63 | 41 | 2.82 | 0 |
| Nov | 48 | 29 | 2.44 | 1 |
| Dec | 33 | 16 | 1.45 | 7 |
- JanHigh 30ºFLow 12ºFPrecip 1.12 inch
- FebHigh 35ºFLow 16ºFPrecip 1.26 inch
- MarHigh 48ºFLow 27ºFPrecip 2.51 inch
- AprHigh 61ºFLow 39ºFPrecip 3.46 inch
- MayHigh 71ºFLow 50ºFPrecip 4.58 inch
- JunHigh 80ºFLow 60ºFPrecip 4.81 inch
- JulHigh 85ºFLow 64ºFPrecip 4.09 inch
- AugHigh 83ºFLow 62ºFPrecip 4.90 inch
- SepHigh 75ºFLow 52ºFPrecip 3.56 inch
- OctHigh 63ºFLow 41ºFPrecip 2.82 inch
- NovHigh 48ºFLow 29ºFPrecip 2.44 inch
- DecHigh 33ºFLow 16ºFPrecip 1.45 inch
Climate summary
What is the average weather in Sigourney, Iowa?
Sigourney experiences a humid continental climate, marked by very strong seasonal temperature contrasts. Summers are warm and fairly wet, with August typically being the wettest month. Winters are cold and bring regular snowfall, while January is usually the driest month. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Sigourney weather averages
Annual high59ºF
Annual low39ºF
Precipitation37 inch
Snowfall29 inch
Daily normals Sigourney - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 30.9 | 13.7 | 0.04 | 0.04 |
| Jan 2 | 30.7 | 13.5 | 0.08 | 0.08 |
| Jan 3 | 30.5 | 13.2 | 0.12 | 0.12 |
| Jan 4 | 30.4 | 13.0 | 0.17 | 0.17 |
| Jan 5 | 30.2 | 12.8 | 0.21 | 0.21 |
| Jan 6 | 30.1 | 12.6 | 0.25 | 0.25 |
| Jan 7 | 30.0 | 12.4 | 0.29 | 0.29 |
| Jan 8 | 29.8 | 12.2 | 0.33 | 0.33 |
| Jan 9 | 29.7 | 12.0 | 0.37 | 0.37 |
| Jan 10 | 29.7 | 11.9 | 0.41 | 0.41 |
| Jan 11 | 29.6 | 11.7 | 0.44 | 0.44 |
| Jan 12 | 29.5 | 11.5 | 0.48 | 0.48 |
| Jan 13 | 29.4 | 11.4 | 0.51 | 0.51 |
| Jan 14 | 29.4 | 11.2 | 0.55 | 0.55 |
| Jan 15 | 29.4 | 11.1 | 0.58 | 0.58 |
| Jan 16 | 29.3 | 11.0 | 0.62 | 0.62 |
| Jan 17 | 29.3 | 10.9 | 0.65 | 0.65 |
| Jan 18 | 29.3 | 10.8 | 0.69 | 0.69 |
| Jan 19 | 29.3 | 10.7 | 0.73 | 0.73 |
| Jan 20 | 29.4 | 10.7 | 0.76 | 0.76 |
| Jan 21 | 29.4 | 10.6 | 0.80 | 0.80 |
| Jan 22 | 29.4 | 10.6 | 0.83 | 0.83 |
| Jan 23 | 29.5 | 10.6 | 0.87 | 0.87 |
| Jan 24 | 29.6 | 10.6 | 0.91 | 0.91 |
| Jan 25 | 29.7 | 10.6 | 0.94 | 0.94 |
| Jan 26 | 29.8 | 10.7 | 0.98 | 0.98 |
| Jan 27 | 29.9 | 10.7 | 1.02 | 1.02 |
| Jan 28 | 30.0 | 10.8 | 1.06 | 1.06 |
| Jan 29 | 30.1 | 10.9 | 1.10 | 1.10 |
| Jan 30 | 30.3 | 11.0 | 1.14 | 1.14 |
| Jan 31 | 30.4 | 11.1 | 1.18 | 1.18 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Sigourney - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 71.1 | 62.1 | 1.41 |
| Oct 2 | 69.1 | 50.0 | 0.62 |
| Oct 3 | 69.1 | 46.9 | 0.00 |
| Oct 4 | 72.0 | 46.9 | 0.00 |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | 80.1 | 48.0 | 0.00 |
| Oct 9 | 79.0 | 48.0 | 0.44 |
| Oct 10 | 81.0 | 59.0 | 0.41 |
| Oct 11 | 86.0 | 57.9 | 0.00 |
| Oct 12 | 88.0 | 57.0 | 0.00 |
| Oct 13 | 86.0 | 57.9 | 0.00 |
| Oct 14 | 75.0 | 57.0 | 0.16 |
| Oct 15 | 75.0 | 57.0 | 0.00 |
| Oct 16 | 64.9 | 46.0 | 0.09 |
| Oct 17 | 53.1 | 32.0 | 0.06 |
| Oct 18 | – | – | – |
| Oct 19 | 68.0 | 37.9 | 0.00 |
| Oct 20 | – | – | – |
| Oct 21 | – | – | – |
| Oct 22 | – | – | – |
| Oct 23 | 78.1 | 48.0 | 0.00 |
| Oct 24 | 78.1 | 52.0 | 0.00 |
| Oct 25 | 78.1 | 50.0 | 0.00 |
| Oct 26 | 80.1 | 50.0 | 0.00 |
| Oct 27 | 73.9 | 52.0 | 0.00 |
| Oct 28 | 69.1 | 52.0 | 0.00 |
| Oct 29 | 75.9 | 53.1 | 0.00 |
| Oct 30 | 69.1 | 46.0 | 0.10 |
| 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 temperature88.0ºF · Oct 12
- Lowest max temperature53.1ºF · Oct 17
- Highest min temperature62.1ºF · Oct 1
- Lowest min temperature32.0ºF · Oct 17
Geo Sigourney - Iowa
Location
- Country
- United States
- State
- Iowa
- County
- Keokuk
- City
- Sigourney
- Zip Code
- 52591
- Elevation
- 771 ft
- Longitude
- -92.20
- Latitude
- 41.33
- ICAO
- –
- IATA
- –