Hot-summer humid continental climate
Climate Postville - Iowa
Annual high58ºF
Annual low38ºF
Precipitation35.88 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 27 | 10 | 0.99 | 12 |
| Feb | 33 | 13 | 1.04 | 10 |
| Mar | 45 | 25 | 2.02 | 5 |
| Apr | 59 | 38 | 3.95 | 2 |
| May | 70 | 49 | 4.21 | 0 |
| Jun | 80 | 59 | 4.94 | 0 |
| Jul | 82 | 63 | 4.45 | 0 |
| Aug | 81 | 61 | 4.66 | 0 |
| Sep | 75 | 52 | 3.42 | 0 |
| Oct | 62 | 41 | 2.45 | 0 |
| Nov | 46 | 28 | 2.36 | 3 |
| Dec | 31 | 14 | 1.39 | 9 |
- JanHigh 27ºFLow 10ºFPrecip 0.99 inch
- FebHigh 33ºFLow 13ºFPrecip 1.04 inch
- MarHigh 45ºFLow 25ºFPrecip 2.02 inch
- AprHigh 59ºFLow 38ºFPrecip 3.95 inch
- MayHigh 70ºFLow 49ºFPrecip 4.21 inch
- JunHigh 80ºFLow 59ºFPrecip 4.94 inch
- JulHigh 82ºFLow 63ºFPrecip 4.45 inch
- AugHigh 81ºFLow 61ºFPrecip 4.66 inch
- SepHigh 75ºFLow 52ºFPrecip 3.42 inch
- OctHigh 62ºFLow 41ºFPrecip 2.45 inch
- NovHigh 46ºFLow 28ºFPrecip 2.36 inch
- DecHigh 31ºFLow 14ºFPrecip 1.39 inch
Climate summary
What is the average weather in Postville, Iowa?
Postville experiences a humid continental climate, marked by a very strong seasonal temperature contrast. Summers are warm and fairly wet, with June being the wettest month. Winters are cold and snowy, bringing significant snowfall, and January is typically the driest month. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Postville weather averages
Annual high58ºF
Annual low38ºF
Precipitation35.88 inch
Snowfall41 inch
Daily normals Postville - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 26.8 | 9.3 | 0.04 | 0.04 | 0.30 | 0.30 |
| Jan 2 | 26.6 | 9.1 | 0.08 | 0.08 | 0.60 | 0.60 |
| Jan 3 | 26.5 | 8.9 | 0.12 | 0.12 | 0.90 | 0.90 |
| Jan 4 | 26.3 | 8.7 | 0.16 | 0.16 | 1.20 | 1.20 |
| Jan 5 | 26.2 | 8.5 | 0.19 | 0.19 | 1.60 | 1.60 |
| Jan 6 | 26.0 | 8.3 | 0.23 | 0.23 | 1.90 | 1.90 |
| Jan 7 | 25.9 | 8.1 | 0.27 | 0.27 | 2.20 | 2.20 |
| Jan 8 | 25.8 | 8.0 | 0.30 | 0.30 | 2.60 | 2.60 |
| Jan 9 | 25.7 | 7.8 | 0.34 | 0.34 | 2.90 | 2.90 |
| Jan 10 | 25.6 | 7.7 | 0.37 | 0.37 | 3.30 | 3.30 |
| Jan 11 | 25.5 | 7.5 | 0.41 | 0.41 | 3.70 | 3.70 |
| Jan 12 | 25.5 | 7.4 | 0.45 | 0.45 | 4.10 | 4.10 |
| Jan 13 | 25.4 | 7.3 | 0.48 | 0.48 | 4.50 | 4.50 |
| Jan 14 | 25.3 | 7.2 | 0.52 | 0.52 | 4.90 | 4.90 |
| Jan 15 | 25.3 | 7.1 | 0.56 | 0.56 | 5.20 | 5.20 |
| Jan 16 | 25.3 | 7.0 | 0.59 | 0.59 | 5.60 | 5.60 |
| Jan 17 | 25.3 | 6.9 | 0.62 | 0.62 | 6.00 | 6.00 |
| Jan 18 | 25.3 | 6.8 | 0.66 | 0.66 | 6.40 | 6.40 |
| Jan 19 | 25.3 | 6.8 | 0.69 | 0.69 | 6.80 | 6.80 |
| Jan 20 | 25.3 | 6.7 | 0.73 | 0.73 | 7.30 | 7.30 |
| Jan 21 | 25.3 | 6.7 | 0.77 | 0.77 | 7.70 | 7.70 |
| Jan 22 | 25.3 | 6.7 | 0.80 | 0.80 | 8.10 | 8.10 |
| Jan 23 | 25.4 | 6.7 | 0.84 | 0.84 | 8.60 | 8.60 |
| Jan 24 | 25.4 | 6.7 | 0.87 | 0.87 | 9.00 | 9.00 |
| Jan 25 | 25.5 | 6.7 | 0.91 | 0.91 | 9.40 | 9.40 |
| Jan 26 | 25.6 | 6.7 | 0.94 | 0.94 | 9.90 | 9.90 |
| Jan 27 | 25.7 | 6.7 | 0.98 | 0.98 | 10.30 | 10.30 |
| Jan 28 | 25.8 | 6.8 | 1.01 | 1.01 | 10.70 | 10.70 |
| Jan 29 | 25.9 | 6.9 | 1.05 | 1.05 | 11.20 | 11.20 |
| Jan 30 | 26.0 | 6.9 | 1.08 | 1.08 | 11.60 | 11.60 |
| Jan 31 | 26.2 | 7.0 | 1.12 | 1.12 | 12.00 | 12.00 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Postville - June 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Jun 1 | 68.0 | 54.0 | 0.27 |
| Jun 2 | 79.0 | 54.0 | 0.00 |
| Jun 3 | 82.0 | 48.9 | 0.00 |
| Jun 4 | 82.9 | 55.9 | 0.00 |
| Jun 5 | 86.0 | 64.0 | 0.40 |
| Jun 6 | 82.0 | 64.9 | 0.00 |
| Jun 7 | 88.0 | 66.0 | 0.00 |
| Jun 8 | 82.9 | 64.9 | 0.64 |
| Jun 9 | 73.0 | 66.0 | 0.77 |
| Jun 10 | 84.9 | 70.0 | 0.00 |
| Jun 11 | 84.9 | 62.1 | 0.07 |
| Jun 12 | 71.1 | 55.0 | 0.98 |
| Jun 13 | 81.0 | 61.0 | 0.00 |
| Jun 14 | 80.1 | 53.1 | 0.00 |
| Jun 15 | 72.0 | 53.1 | 0.00 |
| Jun 16 | 79.0 | 55.0 | 0.00 |
| Jun 17 | 73.0 | 53.1 | 0.43 |
| Jun 18 | 73.0 | 53.1 | – |
| Jun 19 | 75.0 | 48.0 | 0.00 |
| Jun 20 | 77.0 | 52.0 | T |
| Jun 21 | 80.1 | 54.0 | 0.00 |
| Jun 22 | 66.9 | 50.0 | – |
| Jun 23 | 81.0 | 52.0 | 0.00 |
| Jun 24 | 80.1 | 62.1 | 0.52 |
| Jun 25 | 80.1 | 55.0 | 0.00 |
| Jun 26 | 79.0 | 57.0 | 0.00 |
| Jun 27 | 75.9 | 55.9 | 0.00 |
| Jun 28 | 78.1 | 59.0 | 0.00 |
| Jun 29 | 82.0 | 63.0 | 0.14 |
| Jun 30 | 91.0 | 77.0 | 0.00 |
The data for June 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 temperature91.0ºF · Jun 30
- Lowest max temperature66.9ºF · Jun 22
- Highest min temperature77.0ºF · Jun 30
- Lowest min temperature48.0ºF · Jun 19
Geo Postville - Iowa
Location
- Country
- United States
- State
- Iowa
- County
- –
- City
- Postville
- Zip Code
- 52162
- Elevation
- 1181 ft
- Longitude
- -91.57
- Latitude
- 43.08
- ICAO
- –
- IATA
- –