Hot-summer humid continental climate
Climate Marion - Iowa
Annual high60ºF
Annual low40ºF
Precipitation37.59 inch
1991–2020 normals
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 31 | 13 | 1.09 | 8 |
| Feb | 36 | 18 | 1.22 | 7 |
| Mar | 49 | 28 | 1.99 | 4 |
| Apr | 64 | 40 | 3.42 | 2 |
| May | 74 | 50 | 4.76 | 0 |
| Jun | 82 | 60 | 5.13 | 0 |
| Jul | 85 | 64 | 4.59 | 0 |
| Aug | 83 | 62 | 4.83 | 0 |
| Sep | 77 | 54 | 3.65 | 0 |
| Oct | 64 | 42 | 2.85 | 0 |
| Nov | 48 | 30 | 2.43 | 2 |
| Dec | 33 | 17 | 1.63 | 9 |
- JanHigh 31ºFLow 13ºFPrecip 1.09 inch
- FebHigh 36ºFLow 18ºFPrecip 1.22 inch
- MarHigh 49ºFLow 28ºFPrecip 1.99 inch
- AprHigh 64ºFLow 40ºFPrecip 3.42 inch
- MayHigh 74ºFLow 50ºFPrecip 4.76 inch
- JunHigh 82ºFLow 60ºFPrecip 5.13 inch
- JulHigh 85ºFLow 64ºFPrecip 4.59 inch
- AugHigh 83ºFLow 62ºFPrecip 4.83 inch
- SepHigh 77ºFLow 54ºFPrecip 3.65 inch
- OctHigh 64ºFLow 42ºFPrecip 2.85 inch
- NovHigh 48ºFLow 30ºFPrecip 2.43 inch
- DecHigh 33ºFLow 17ºFPrecip 1.63 inch
Marion Climate Graph - Iowa Climate Chart
Put the Marion climate chart on your websiteFree embed · choose colors and unitsGet the codeClimate summary
What is the average weather in Marion, Iowa?
Marion experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm and fairly wet, with most precipitation occurring during this season. Winters are cold and snowy, bringing significant snowfall, while winter is also the driest season overall. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Based on climate normals · 1991–2020Marion weather averages
Annual high60ºF
Annual low40ºF
Precipitation37.59 inch
Snowfall32 inch
Daily normals Marion - Iowa - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 30.0 | 13.9 | 0.04 | 0.04 | 0.31 | 0.31 |
| Jan 2 | 29.9 | 13.8 | 0.08 | 0.08 | 0.51 | 0.51 |
| Jan 3 | 29.9 | 13.7 | 0.12 | 0.12 | 0.79 | 0.79 |
| Jan 4 | 29.9 | 13.6 | 0.16 | 0.16 | 0.98 | 0.98 |
| Jan 5 | 29.9 | 13.5 | 0.20 | 0.20 | 1.30 | 1.30 |
| Jan 6 | 29.9 | 13.4 | 0.24 | 0.24 | 1.61 | 1.61 |
| Jan 7 | 29.9 | 13.3 | 0.28 | 0.28 | 1.81 | 1.81 |
| Jan 8 | 29.9 | 13.2 | 0.31 | 0.31 | 2.09 | 2.09 |
| Jan 9 | 29.9 | 13.2 | 0.35 | 0.35 | 2.28 | 2.28 |
| Jan 10 | 29.9 | 13.1 | 0.35 | 0.35 | 2.60 | 2.60 |
| Jan 11 | 30.0 | 13.1 | 0.39 | 0.39 | 2.91 | 2.91 |
| Jan 12 | 30.0 | 13.0 | 0.43 | 0.43 | 3.11 | 3.11 |
| Jan 13 | 30.1 | 13.0 | 0.47 | 0.47 | 3.39 | 3.39 |
| Jan 14 | 30.1 | 13.0 | 0.51 | 0.51 | 3.70 | 3.70 |
| Jan 15 | 30.2 | 12.9 | 0.55 | 0.55 | 3.90 | 3.90 |
| Jan 16 | 30.3 | 12.9 | 0.59 | 0.59 | 4.21 | 4.21 |
| Jan 17 | 30.3 | 12.9 | 0.63 | 0.63 | 4.41 | 4.41 |
| Jan 18 | 30.4 | 12.9 | 0.67 | 0.67 | 4.69 | 4.69 |
| Jan 19 | 30.5 | 13.0 | 0.67 | 0.67 | 4.88 | 4.88 |
| Jan 20 | 30.6 | 13.0 | 0.71 | 0.71 | 5.20 | 5.20 |
| Jan 21 | 30.7 | 13.0 | 0.75 | 0.75 | 5.39 | 5.39 |
| Jan 22 | 30.8 | 13.1 | 0.79 | 0.79 | 5.71 | 5.71 |
| Jan 23 | 30.9 | 13.1 | 0.83 | 0.83 | 5.91 | 5.91 |
| Jan 24 | 31.0 | 13.2 | 0.83 | 0.83 | 6.18 | 6.18 |
| Jan 25 | 31.1 | 13.3 | 0.87 | 0.87 | 6.42 | 6.42 |
| Jan 26 | 31.3 | 13.4 | 0.91 | 0.91 | 6.69 | 6.69 |
| Jan 27 | 31.4 | 13.5 | 0.94 | 0.94 | 7.01 | 7.01 |
| Jan 28 | 31.5 | 13.6 | 0.98 | 0.98 | 7.20 | 7.20 |
| Jan 29 | 31.7 | 13.8 | 1.02 | 1.02 | 7.52 | 7.52 |
| Jan 30 | 31.8 | 13.9 | 1.06 | 1.06 | 7.72 | 7.72 |
| Jan 31 | 32.0 | 14.1 | 1.10 | 1.10 | 7.99 | 7.99 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Marion - May 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| May 1 | 57.0 | 34.0 | 0.02 |
| May 2 | 63.0 | 28.9 | 0.00 |
| May 3 | 77.0 | 51.1 | T |
| May 4 | 84.0 | 55.9 | 0.00 |
| May 5 | 80.1 | 41.0 | 0.00 |
| May 6 | 57.9 | 35.1 | 0.00 |
| May 7 | 66.9 | 30.9 | 0.00 |
| May 8 | 75.9 | 39.9 | 0.00 |
| May 9 | 73.0 | 46.9 | 0.00 |
| May 10 | 71.1 | 39.0 | 0.00 |
| May 11 | 70.0 | 35.1 | 0.00 |
| May 12 | 79.0 | 52.0 | 0.00 |
| May 13 | 78.1 | 50.0 | 0.00 |
| May 14 | 78.1 | 46.0 | 0.00 |
| May 15 | 84.9 | 57.9 | T |
| May 16 | 84.9 | 62.1 | 0.30 |
| May 17 | 82.9 | 68.0 | 0.21 |
| May 18 | 81.0 | 62.1 | 0.35 |
| May 19 | 78.1 | 55.0 | 0.63 |
| May 20 | 66.0 | 44.1 | 0.00 |
| May 21 | 66.9 | 48.0 | 0.00 |
| May 22 | 66.0 | 51.1 | 0.02 |
| May 23 | 73.0 | 51.1 | 0.00 |
| May 24 | 82.9 | 48.0 | 0.00 |
| May 25 | 86.0 | 57.0 | 0.00 |
| May 26 | 88.0 | 57.9 | 0.00 |
| May 27 | 91.0 | 57.9 | 0.00 |
| May 28 | 90.0 | 60.1 | 0.00 |
| May 29 | – | – | – |
| May 30 | – | – | – |
| May 31 | – | – | – |
The data for May 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 · May 27
- Lowest max temperature57.0ºF · May 1
- Highest min temperature68.0ºF · May 17
- Lowest min temperature28.9ºF · May 2
Geo Marion - Iowa
42.03°N, 91.60°WLocation
- Country
- United States
- State
- Iowa
- County
- –
- City
- Marion
- Zip Code
- 52302
- Elevation
- 853 ft
- Longitude
- -91.60
- Latitude
- 42.03
- ICAO
- –
- IATA
- –
Map of Marion - Iowa
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