Hot-summer humid continental climate
Climate Swea City - Iowa
Annual high56ºF
Annual low34ºF
Precipitation31.34 inch
1991–2020 normals
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 24 | 4 | 0.77 | 10 |
| Feb | 29 | 9 | 0.62 | 6 |
| Mar | 41 | 21 | 1.91 | 5 |
| Apr | 58 | 33 | 3.16 | 2 |
| May | 70 | 46 | 3.86 | 0 |
| Jun | 80 | 57 | 4.59 | 0 |
| Jul | 83 | 60 | 4.43 | 0 |
| Aug | 80 | 58 | 3.87 | 0 |
| Sep | 73 | 48 | 3.24 | 0 |
| Oct | 60 | 35 | 2.37 | 0 |
| Nov | 43 | 22 | 1.66 | 5 |
| Dec | 27 | 9 | 0.86 | 10 |
- JanHigh 24ºFLow 4ºFPrecip 0.77 inch
- FebHigh 29ºFLow 9ºFPrecip 0.62 inch
- MarHigh 41ºFLow 21ºFPrecip 1.91 inch
- AprHigh 58ºFLow 33ºFPrecip 3.16 inch
- MayHigh 70ºFLow 46ºFPrecip 3.86 inch
- JunHigh 80ºFLow 57ºFPrecip 4.59 inch
- JulHigh 83ºFLow 60ºFPrecip 4.43 inch
- AugHigh 80ºFLow 58ºFPrecip 3.87 inch
- SepHigh 73ºFLow 48ºFPrecip 3.24 inch
- OctHigh 60ºFLow 35ºFPrecip 2.37 inch
- NovHigh 43ºFLow 22ºFPrecip 1.66 inch
- DecHigh 27ºFLow 9ºFPrecip 0.86 inch
Swea City Climate Graph - Iowa Climate Chart
Put the Swea City climate chart on your websiteFree embed · choose colors and unitsGet the codeClimate summary
What is the average weather in Swea City, Iowa?
Swea City experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and bring the most precipitation, contributing to a moderate annual total. Winters are very cold and snowy, with significant snowfall. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Based on climate normals · 1991–2020Swea City weather averages
Annual high56ºF
Annual low34ºF
Precipitation31.34 inch
Snowfall38 inch
Daily normals Swea City - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 22.6 | 7.0 | 0.03 | 0.03 | 0.30 | 0.30 |
| Jan 2 | 22.4 | 6.8 | 0.05 | 0.05 | 0.60 | 0.60 |
| Jan 3 | 22.3 | 6.5 | 0.08 | 0.08 | 0.90 | 0.90 |
| Jan 4 | 22.1 | 6.3 | 0.11 | 0.11 | 1.20 | 1.20 |
| Jan 5 | 22.0 | 6.1 | 0.14 | 0.14 | 1.50 | 1.50 |
| Jan 6 | 21.9 | 5.9 | 0.17 | 0.17 | 1.80 | 1.80 |
| Jan 7 | 21.8 | 5.6 | 0.20 | 0.20 | 2.10 | 2.10 |
| Jan 8 | 21.7 | 5.4 | 0.23 | 0.23 | 2.50 | 2.50 |
| Jan 9 | 21.6 | 5.2 | 0.26 | 0.26 | 2.80 | 2.80 |
| Jan 10 | 21.5 | 5.0 | 0.29 | 0.29 | 3.10 | 3.10 |
| Jan 11 | 21.5 | 4.8 | 0.32 | 0.32 | 3.50 | 3.50 |
| Jan 12 | 21.4 | 4.7 | 0.35 | 0.35 | 3.80 | 3.80 |
| Jan 13 | 21.4 | 4.5 | 0.38 | 0.38 | 4.20 | 4.20 |
| Jan 14 | 21.4 | 4.3 | 0.41 | 0.41 | 4.60 | 4.60 |
| Jan 15 | 21.4 | 4.2 | 0.44 | 0.44 | 5.00 | 5.00 |
| Jan 16 | 21.4 | 4.0 | 0.47 | 0.47 | 5.40 | 5.40 |
| Jan 17 | 21.4 | 3.9 | 0.49 | 0.49 | 5.70 | 5.70 |
| Jan 18 | 21.5 | 3.8 | 0.52 | 0.52 | 6.10 | 6.10 |
| Jan 19 | 21.5 | 3.7 | 0.55 | 0.55 | 6.50 | 6.50 |
| Jan 20 | 21.6 | 3.6 | 0.57 | 0.57 | 6.90 | 6.90 |
| Jan 21 | 21.6 | 3.5 | 0.60 | 0.60 | 7.30 | 7.30 |
| Jan 22 | 21.7 | 3.4 | 0.63 | 0.63 | 7.60 | 7.60 |
| Jan 23 | 21.8 | 3.4 | 0.65 | 0.65 | 8.00 | 8.00 |
| Jan 24 | 21.9 | 3.4 | 0.68 | 0.68 | 8.40 | 8.40 |
| Jan 25 | 22.0 | 3.4 | 0.71 | 0.71 | 8.70 | 8.70 |
| Jan 26 | 22.2 | 3.4 | 0.73 | 0.73 | 9.10 | 9.10 |
| Jan 27 | 22.3 | 3.4 | 0.76 | 0.76 | 9.50 | 9.50 |
| Jan 28 | 22.5 | 3.5 | 0.79 | 0.79 | 9.80 | 9.80 |
| Jan 29 | 22.6 | 3.5 | 0.81 | 0.81 | 10.20 | 10.20 |
| Jan 30 | 22.8 | 3.6 | 0.84 | 0.84 | 10.60 | 10.60 |
| Jan 31 | 23.0 | 3.7 | 0.87 | 0.87 | 10.90 | 10.90 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Swea City - July 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Jul 1 | 87.1 | 66.0 | 0.13 |
| Jul 2 | 82.0 | 66.9 | 0.23 |
| Jul 3 | 80.1 | 66.0 | 0.72 |
| Jul 4 | 82.0 | 66.0 | 0.00 |
| Jul 5 | 82.0 | 62.1 | 0.98 |
| Jul 6 | 82.9 | 63.0 | 0.00 |
| Jul 7 | 82.9 | 62.1 | 0.94 |
| Jul 8 | 84.9 | 64.0 | 0.00 |
| Jul 9 | 84.0 | 68.0 | 0.03 |
| Jul 10 | 81.0 | 62.1 | 0.00 |
| Jul 11 | 82.0 | 60.1 | 0.00 |
| Jul 12 | 84.0 | 63.0 | 0.00 |
| Jul 13 | 84.0 | 61.0 | 0.00 |
| Jul 14 | – | 61.0 | 0.00 |
| Jul 15 | 87.1 | 64.0 | 0.00 |
| Jul 16 | 88.0 | 64.9 | 0.00 |
| Jul 17 | 86.0 | 64.9 | 0.00 |
| Jul 18 | 89.1 | 68.0 | 0.00 |
| Jul 19 | 84.9 | 59.0 | 0.00 |
| Jul 20 | 82.0 | 68.0 | 0.05 |
| Jul 21 | 89.1 | 66.0 | 0.30 |
| Jul 22 | 75.9 | 54.0 | 0.00 |
| Jul 23 | 75.0 | 51.1 | 0.00 |
| Jul 24 | 77.0 | 50.0 | 0.00 |
| Jul 25 | 75.9 | 64.0 | T |
| Jul 26 | 84.9 | 71.1 | 0.00 |
| Jul 27 | 89.1 | 73.0 | 0.00 |
| Jul 28 | 90.0 | 70.0 | 0.00 |
| Jul 29 | – | 64.9 | 0.00 |
| Jul 30 | 84.9 | 64.0 | 0.00 |
| Jul 31 | 79.0 | 64.9 | 0.06 |
The data for July 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 temperature90.0ºF · Jul 28
- Lowest max temperature75.0ºF · Jul 23
- Highest min temperature73.0ºF · Jul 27
- Lowest min temperature50.0ºF · Jul 24
Geo Swea City - Iowa
43.38°N, 94.31°WLocation
- Country
- United States
- State
- Iowa
- County
- Kossuth
- City
- Swea City
- Zip Code
- 50590
- Elevation
- 1148 ft
- Longitude
- -94.31
- Latitude
- 43.38
- ICAO
- –
- IATA
- –