Hot-summer humid continental climate
Climate Oskaloosa - Iowa
Annual high60ºF
Annual low38ºF
Precipitation38.22 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 31 | 11 | 1.31 | 6 |
| Feb | 35 | 15 | 1.69 | 9 |
| Mar | 48 | 26 | 2.14 | 4 |
| Apr | 62 | 38 | 3.59 | 1 |
| May | 72 | 49 | 4.80 | 0 |
| Jun | 81 | 60 | 4.94 | 0 |
| Jul | 85 | 64 | 4.61 | 0 |
| Aug | 83 | 62 | 4.63 | 0 |
| Sep | 76 | 52 | 3.73 | 0 |
| Oct | 64 | 40 | 2.81 | 0 |
| Nov | 49 | 27 | 2.63 | 1 |
| Dec | 34 | 15 | 1.34 | 6 |
- JanHigh 31ºFLow 11ºFPrecip 1.31 inch
- FebHigh 35ºFLow 15ºFPrecip 1.69 inch
- MarHigh 48ºFLow 26ºFPrecip 2.14 inch
- AprHigh 62ºFLow 38ºFPrecip 3.59 inch
- MayHigh 72ºFLow 49ºFPrecip 4.80 inch
- JunHigh 81ºFLow 60ºFPrecip 4.94 inch
- JulHigh 85ºFLow 64ºFPrecip 4.61 inch
- AugHigh 83ºFLow 62ºFPrecip 4.63 inch
- SepHigh 76ºFLow 52ºFPrecip 3.73 inch
- OctHigh 64ºFLow 40ºFPrecip 2.81 inch
- NovHigh 49ºFLow 27ºFPrecip 2.63 inch
- DecHigh 34ºFLow 15ºFPrecip 1.34 inch
Climate summary
What is the average weather in Oskaloosa, Iowa?
Oskaloosa experiences a humid continental climate, marked by very strong seasonal contrasts. Summers are warm and fairly wet, with June being the wettest month. Winters are cold and bring regular snowfall, with January typically being the driest month. Precipitation is spread relatively evenly through the year, with winter moisture often arriving as snow.
Oskaloosa weather averages
Annual high60ºF
Annual low38ºF
Precipitation38.22 inch
Snowfall27 inch
Daily normals Oskaloosa - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 31.6 | 14.4 | 0.04 | 0.04 |
| Jan 2 | 31.5 | 14.2 | 0.08 | 0.08 |
| Jan 3 | 31.3 | 14.0 | 0.12 | 0.12 |
| Jan 4 | 31.1 | 13.8 | 0.18 | 0.18 |
| Jan 5 | 31.0 | 13.6 | 0.23 | 0.23 |
| Jan 6 | 30.9 | 13.4 | 0.27 | 0.27 |
| Jan 7 | 30.8 | 13.2 | 0.32 | 0.32 |
| Jan 8 | 30.6 | 13.0 | 0.37 | 0.37 |
| Jan 9 | 30.6 | 12.8 | 0.42 | 0.42 |
| Jan 10 | 30.5 | 12.6 | 0.47 | 0.47 |
| Jan 11 | 30.4 | 12.5 | 0.52 | 0.52 |
| Jan 12 | 30.3 | 12.3 | 0.57 | 0.57 |
| Jan 13 | 30.3 | 12.1 | 0.62 | 0.62 |
| Jan 14 | 30.3 | 12.0 | 0.68 | 0.68 |
| Jan 15 | 30.2 | 11.8 | 0.73 | 0.73 |
| Jan 16 | 30.2 | 11.7 | 0.79 | 0.79 |
| Jan 17 | 30.2 | 11.6 | 0.85 | 0.85 |
| Jan 18 | 30.2 | 11.5 | 0.91 | 0.91 |
| Jan 19 | 30.3 | 11.4 | 0.97 | 0.97 |
| Jan 20 | 30.3 | 11.3 | 1.03 | 1.03 |
| Jan 21 | 30.3 | 11.3 | 1.10 | 1.10 |
| Jan 22 | 30.4 | 11.2 | 1.16 | 1.16 |
| Jan 23 | 30.5 | 11.2 | 1.23 | 1.23 |
| Jan 24 | 30.6 | 11.2 | 1.29 | 1.29 |
| Jan 25 | 30.7 | 11.2 | 1.36 | 1.36 |
| Jan 26 | 30.8 | 11.2 | 1.43 | 1.43 |
| Jan 27 | 30.9 | 11.3 | 1.49 | 1.49 |
| Jan 28 | 31.0 | 11.4 | 1.56 | 1.56 |
| Jan 29 | 31.2 | 11.4 | 1.62 | 1.62 |
| Jan 30 | 31.4 | 11.6 | 1.68 | 1.68 |
| Jan 31 | 31.5 | 11.7 | 1.75 | 1.75 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Oskaloosa - May 2025
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| May 1 | 64.0 | 46.9 | 0.27 |
| May 2 | 66.9 | 43.0 | 0.11 |
| May 3 | – | – | – |
| May 4 | – | – | – |
| May 5 | 71.1 | 39.9 | – |
| May 6 | 71.1 | 44.1 | 0.00 |
| May 7 | 75.0 | 45.0 | 0.00 |
| May 8 | 81.0 | 48.9 | 0.03 |
| May 9 | – | – | – |
| May 10 | – | – | – |
| May 11 | – | – | – |
| May 12 | – | – | – |
| May 13 | 84.9 | 54.0 | 0.00 |
| May 14 | 81.0 | 55.9 | 0.00 |
| May 15 | 87.1 | 62.1 | 0.00 |
| May 16 | 84.9 | 62.1 | 0.00 |
| May 17 | – | – | – |
| May 18 | – | – | – |
| May 19 | – | 39.0 | – |
| May 20 | – | – | – |
| May 21 | 71.1 | 48.9 | 0.04 |
| May 22 | 59.0 | 44.1 | 0.00 |
| May 23 | 63.0 | 41.0 | 0.00 |
| May 24 | – | – | – |
| May 25 | – | – | – |
| May 26 | – | – | – |
| May 27 | 73.0 | – | 0.07 |
| May 28 | 72.0 | 54.0 | 0.05 |
| May 29 | 69.1 | 52.0 | 0.03 |
| May 30 | 73.0 | 53.1 | 0.00 |
| May 31 | – | – | – |
The data for May 2025 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature87.1ºF · May 15
- Lowest max temperature59.0ºF · May 22
- Highest min temperature62.1ºF · May 15
- Lowest min temperature39.0ºF · May 19
Geo Oskaloosa - Iowa
Location
- Country
- United States
- State
- Iowa
- County
- Mahaska
- City
- Oskaloosa
- Zip Code
- 52577
- Elevation
- 840 ft
- Longitude
- -92.65
- Latitude
- 41.29
- ICAO
- –
- IATA
- –