Climate Decorah - Iowa
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 27 | 33 | 46 | 61 | 72 | 81 |
| Average low in ºF Av. low Lo | 9 | 13 | 25 | 36 | 47 | 56 |
| Av. precipitation in inch Av. precip. Pre. | 0.89 | 0.89 | 1.91 | 3.61 | 4.19 | 5.16 |
| Av. snowfall in inch Snowfall Sn | 9 | 8 | 5 | 1 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 84 | 82 | 75 | 62 | 46 | 30 |
| Average low in ºF Av. low Lo | 61 | 59 | 50 | 39 | 27 | 13 |
| Av. precipitation in inch Av. precip. Pre. | 4.27 | 4.74 | 3.33 | 2.36 | 2.11 | 1.22 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 3 | 11 |
Decorah experiences a humid continental climate, marked by very strong seasonal contrasts. Summers are warm and bring the most precipitation, while winters are cold and snowy. Significant snowfall is a notable feature, with winter moisture often arriving as snow. Precipitation is moderate overall, spread relatively evenly throughout the year.
Decorah Climate Graph - Iowa Climate Chart
Daily normals Decorah - Iowa - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 27.0 | 9.6 | 0.04 | 0.04 | 0.20 | 0.50 |
| 2 Jan | 27.0 | 9.4 | 0.08 | 0.08 | 0.51 | 1.30 |
| 3 Jan | 26.9 | 9.3 | 0.12 | 0.12 | 0.71 | 1.80 |
| 4 Jan | 26.9 | 9.2 | 0.12 | 0.12 | 0.91 | 2.30 |
| 5 Jan | 26.8 | 9.1 | 0.16 | 0.16 | 1.18 | 3.00 |
| 6 Jan | 26.8 | 9.0 | 0.20 | 0.20 | 1.42 | 3.60 |
| 7 Jan | 26.8 | 8.8 | 0.20 | 0.20 | 1.69 | 4.30 |
| 8 Jan | 26.8 | 8.7 | 0.24 | 0.24 | 1.89 | 4.80 |
| 9 Jan | 26.8 | 8.7 | 0.28 | 0.28 | 2.20 | 5.60 |
| 10 Jan | 26.8 | 8.6 | 0.31 | 0.31 | 2.40 | 6.10 |
| 11 Jan | 26.8 | 8.5 | 0.31 | 0.31 | 2.72 | 6.90 |
| 12 Jan | 26.8 | 8.4 | 0.35 | 0.35 | 2.99 | 7.60 |
| 13 Jan | 26.9 | 8.4 | 0.39 | 0.39 | 3.31 | 8.40 |
| 14 Jan | 26.9 | 8.3 | 0.39 | 0.39 | 3.58 | 9.10 |
| 15 Jan | 26.9 | 8.2 | 0.43 | 0.43 | 3.90 | 9.90 |
| 16 Jan | 27.0 | 8.2 | 0.47 | 0.47 | 4.21 | 10.70 |
| 17 Jan | 27.1 | 8.2 | 0.47 | 0.47 | 4.49 | 11.40 |
| 18 Jan | 27.1 | 8.2 | 0.51 | 0.51 | 4.80 | 12.20 |
| 19 Jan | 27.2 | 8.2 | 0.55 | 0.55 | 5.20 | 13.20 |
| 20 Jan | 27.3 | 8.2 | 0.55 | 0.55 | 5.51 | 14.00 |
| 21 Jan | 27.4 | 8.2 | 0.59 | 0.59 | 5.91 | 15.00 |
| 22 Jan | 27.5 | 8.2 | 0.63 | 0.63 | 6.18 | 15.70 |
| 23 Jan | 27.6 | 8.2 | 0.67 | 0.67 | 6.61 | 16.80 |
| 24 Jan | 27.7 | 8.3 | 0.67 | 0.67 | 6.89 | 17.50 |
| 25 Jan | 27.8 | 8.4 | 0.71 | 0.71 | 7.28 | 18.50 |
| 26 Jan | 27.9 | 8.4 | 0.75 | 0.75 | 7.60 | 19.30 |
| 27 Jan | 28.1 | 8.5 | 0.79 | 0.79 | 7.99 | 20.30 |
| 28 Jan | 28.2 | 8.6 | 0.79 | 0.79 | 8.31 | 21.10 |
| 29 Jan | 28.4 | 8.8 | 0.83 | 0.83 | 8.70 | 22.10 |
| 30 Jan | 28.5 | 8.9 | 0.87 | 0.87 | 9.02 | 22.90 |
| 31 Jan | 28.7 | 9.1 | 0.91 | 0.91 | 9.41 | 23.90 |
Weather history Decorah - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 78.1 | 55.0 | 0.08 | 0.00 | 0.0 |
| 02 Jun | - | - | - | - | - |
| 03 Jun | 84.0 | 48.9 | 0.00 | 0.00 | 0.0 |
| 04 Jun | 87.1 | 52.0 | 0.00 | 0.00 | 0.0 |
| 05 Jun | 81.0 | 64.9 | 0.59 | 0.00 | 0.0 |
| 06 Jun | 84.9 | 64.9 | 0.43 | 0.00 | 0.0 |
| 07 Jun | 84.9 | 62.1 | 1.00 | 0.00 | 0.0 |
| 08 Jun | 72.0 | 66.9 | 0.43 | 0.00 | 0.0 |
| 09 Jun | 84.9 | 68.0 | 0.17 | 0.00 | 0.0 |
| 10 Jun | - | - | - | - | - |
| 11 Jun | - | - | - | - | - |
| 12 Jun | 81.0 | 53.1 | 0.00 | 0.00 | 0.0 |
| 13 Jun | - | - | - | - | - |
| 14 Jun | - | - | - | - | - |
| 15 Jun | - | - | - | - | - |
| 16 Jun | - | - | - | - | - |
| 17 Jun | - | - | - | - | - |
| 18 Jun | - | - | - | - | - |
| 19 Jun | - | - | - | - | - |
| 20 Jun | - | - | - | - | - |
| 21 Jun | - | - | - | - | - |
| 22 Jun | - | - | - | - | - |
| 23 Jun | - | - | - | - | - |
| 24 Jun | - | - | - | - | - |
| 25 Jun | - | - | - | - | - |
| 26 Jun | - | - | - | - | - |
| 27 Jun | - | - | - | - | - |
| 28 Jun | - | - | - | - | - |
| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Decorah
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 82.0 ºF | 27 ºF | |
| Average low temperature Av. low temp. | 59.5 ºF | 9 ºF | |
| Total precipitation Total precip. | 2.70 inch | 0.89 inch | |
| Total snowfall Total snowfall | 0.00 inch | 9 inch | |
| Highest max temperature Highest max temp. | 87.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 72.0 ºF | - | |
| Highest min temperature Highest min temp. | 68.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 48.9 ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Decorah - Iowa
| Country | United States | |
|---|---|---|
| State | Iowa | |
| County | Winneshiek | |
| City | Decorah | |
| Zip Code | 52101 | |
| Longitude | -91.74 dec. degr. | |
| Latitude | 43.28 dec. degr. | |
| Altitude - Elevation | 1152ft | |
| ICAO | - | |
| IATA | - |
Date and Time Decorah - Iowa
| Local Time | 04:32 AM | |
|---|---|---|
| Sunrise | 05:24 AM | |
| Sunset | 08:50 PM | |
| Day/Night | Night | |
| Timezone | Chicago -6:00 | |
| Timezone DB | America - Chicago |
Map of Decorah - Iowa
USGS National Map — Open interactive map
Decorah weather averages
| Annual high temperature | 58ºF |
| Annual low temperature | 36ºF |
| Average annual precip. | 34.68 inch |
| Av. annual snowfall | 37 inch |
Station Data
Monthly averages Decorah
Longitude: -91.7394, Latitude: 43.2755
Average weather Decorah, IA - 52101
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, ...