Climate Marshalltown - Iowa
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 28 | 33 | 46 | 60 | 71 | 80 |
| Average low in ºF Av. low Lo | 9 | 13 | 25 | 36 | 48 | 59 |
| Av. precipitation in inch Av. precip. Pre. | 0.86 | 1.01 | 2.28 | 3.63 | 4.73 | 5.57 |
| Av. snowfall in inch Snowfall Sn | 5 | 5 | 5 | 1 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 84 | 82 | 75 | 62 | 46 | 32 |
| Average low in ºF Av. low Lo | 63 | 60 | 50 | 38 | 26 | 13 |
| Av. precipitation in inch Av. precip. Pre. | 4.99 | 4.53 | 3.70 | 2.65 | 2.16 | 1.24 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 1 | 8 |
What is the average weather in Marshalltown, Iowa?
Marshalltown experiences a humid continental climate, marked by a very large seasonal temperature contrast. Summers are warm and fairly wet, with precipitation peaking in June. 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.
Marshalltown Climate Graph - Iowa Climate Chart
Daily normals Marshalltown - Iowa - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 28.1 | 10.2 | 0.04 | 0.04 | 0.20 | 0.50 |
| 2 Jan | 28.0 | 10.0 | 0.08 | 0.08 | 0.39 | 1.00 |
| 3 Jan | 27.9 | 9.9 | 0.12 | 0.12 | 0.59 | 1.50 |
| 4 Jan | 27.9 | 9.8 | 0.12 | 0.12 | 0.79 | 2.00 |
| 5 Jan | 27.8 | 9.6 | 0.16 | 0.16 | 0.98 | 2.50 |
| 6 Jan | 27.8 | 9.5 | 0.20 | 0.20 | 1.10 | 2.80 |
| 7 Jan | 27.7 | 9.4 | 0.24 | 0.24 | 1.30 | 3.30 |
| 8 Jan | 27.7 | 9.3 | 0.24 | 0.24 | 1.50 | 3.80 |
| 9 Jan | 27.7 | 9.2 | 0.28 | 0.28 | 1.69 | 4.30 |
| 10 Jan | 27.7 | 9.1 | 0.31 | 0.31 | 1.89 | 4.80 |
| 11 Jan | 27.7 | 9.0 | 0.31 | 0.31 | 2.01 | 5.10 |
| 12 Jan | 27.7 | 8.9 | 0.35 | 0.35 | 2.20 | 5.60 |
| 13 Jan | 27.7 | 8.8 | 0.39 | 0.39 | 2.40 | 6.10 |
| 14 Jan | 27.7 | 8.7 | 0.39 | 0.39 | 2.60 | 6.60 |
| 15 Jan | 27.7 | 8.6 | 0.43 | 0.43 | 2.72 | 6.90 |
| 16 Jan | 27.7 | 8.6 | 0.47 | 0.47 | 2.91 | 7.40 |
| 17 Jan | 27.7 | 8.5 | 0.51 | 0.51 | 2.99 | 7.60 |
| 18 Jan | 27.8 | 8.4 | 0.51 | 0.51 | 3.19 | 8.10 |
| 19 Jan | 27.8 | 8.4 | 0.55 | 0.55 | 3.31 | 8.40 |
| 20 Jan | 27.9 | 8.4 | 0.55 | 0.55 | 3.50 | 8.90 |
| 21 Jan | 27.9 | 8.3 | 0.59 | 0.59 | 3.58 | 9.10 |
| 22 Jan | 28.0 | 8.3 | 0.63 | 0.63 | 3.82 | 9.70 |
| 23 Jan | 28.1 | 8.3 | 0.67 | 0.67 | 4.02 | 10.20 |
| 24 Jan | 28.2 | 8.4 | 0.67 | 0.67 | 4.09 | 10.40 |
| 25 Jan | 28.3 | 8.4 | 0.71 | 0.71 | 4.29 | 10.90 |
| 26 Jan | 28.4 | 8.4 | 0.75 | 0.75 | 4.49 | 11.40 |
| 27 Jan | 28.5 | 8.5 | 0.75 | 0.75 | 4.61 | 11.70 |
| 28 Jan | 28.6 | 8.6 | 0.79 | 0.79 | 4.80 | 12.20 |
| 29 Jan | 28.7 | 8.7 | 0.79 | 0.79 | 5.00 | 12.70 |
| 30 Jan | 28.9 | 8.8 | 0.83 | 0.83 | 5.12 | 13.00 |
| 31 Jan | 29.0 | 8.9 | 0.87 | 0.87 | 5.31 | 13.50 |
Weather history Marshalltown - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 79.0 | 55.9 | 0.30 | - | - |
| 02 Jun | 84.0 | 51.1 | 0.00 | - | - |
| 03 Jun | 82.0 | 54.0 | 0.00 | - | - |
| 04 Jun | 81.0 | 60.1 | 0.00 | - | - |
| 05 Jun | 82.0 | 64.9 | 2.36 | - | - |
| 06 Jun | 82.9 | 66.9 | T | - | - |
| 07 Jun | 89.1 | 69.1 | 0.00 | - | - |
| 08 Jun | 80.1 | 69.1 | 0.17 | - | - |
| 09 Jun | 84.9 | 66.0 | 0.09 | - | - |
| 10 Jun | 89.1 | 70.0 | 0.00 | - | - |
| 11 Jun | - | - | - | - | - |
| 12 Jun | - | - | - | - | - |
| 13 Jun | 82.0 | 42.1 | 0.00 | - | - |
| 14 Jun | 75.9 | - | 0.23 | - | - |
| 15 Jun | - | - | - | - | - |
| 16 Jun | 75.9 | 36.0 | 0.00 | - | - |
| 17 Jun | 71.1 | - | 3.43 | - | - |
| 18 Jun | 78.1 | - | T | - | - |
| 19 Jun | 75.9 | 54.0 | 0.00 | - | - |
| 20 Jun | 77.0 | 53.1 | 0.14 | - | - |
| 21 Jun | 78.1 | 57.9 | 0.00 | - | - |
| 22 Jun | - | - | - | - | - |
| 23 Jun | - | - | - | - | - |
| 24 Jun | - | - | - | - | - |
| 25 Jun | - | - | - | - | - |
| 26 Jun | - | - | - | - | - |
| 27 Jun | - | - | - | - | - |
| 28 Jun | - | - | - | - | - |
| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Marshalltown
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 80.5 ºF | 28 ºF | |
| Average low temperature Av. low temp. | 58.0 ºF | 9 ºF | |
| Total precipitation Total precip. | 6.72 inch | 0.86 inch | |
| Total snowfall Total snowfall | - inch | 5 inch | |
| Highest max temperature Highest max temp. | 89.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 71.1 ºF | - | |
| Highest min temperature Highest min temp. | 70.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 36.0 ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Marshalltown - Iowa
| Country | United States | |
|---|---|---|
| State | Iowa | |
| County | Marshall | |
| City | Marshalltown | |
| Zip Code | 50158 | |
| Longitude | -92.92 dec. degr. | |
| Latitude | 42.11 dec. degr. | |
| Altitude - Elevation | 971ft | |
| ICAO | - | |
| IATA | - |
Date and Time Marshalltown - Iowa
| Local Time | 07:18 PM | |
|---|---|---|
| Sunrise | 05:34 AM | |
| Sunset | 08:53 PM | |
| Day/Night | Day | |
| Timezone | Central Daylight Time | |
| Timezone DB | America - Chicago |
Map of Marshalltown - Iowa
USGS National Map — Open interactive map
Marshalltown weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 37ºF |
| Average annual precip. | 37.35 inch |
| Av. annual snowfall | 25 inch |
Station Data
Monthly averages Marshalltown
Longitude: -92.9178, Latitude: 42.1127
Average weather Marshalltown, IA - 50158
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...