Climate Denison - Iowa
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 30 | 35 | 47 | 61 | 72 | 82 |
| Average low in ºF Av. low Lo | 11 | 16 | 26 | 37 | 50 | 60 |
| Av. precipitation in inch Av. precip. Pre. | 0.72 | 0.78 | 2.07 | 3.30 | 4.44 | 4.87 |
| Av. snowfall in inch Snowfall Sn | 8 | 7 | 6 | 2 | 0 | 0 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 85 | 83 | 76 | 64 | 47 | 33 |
| Average low in ºF Av. low Lo | 65 | 63 | 53 | 41 | 28 | 15 |
| Av. precipitation in inch Av. precip. Pre. | 4.27 | 3.86 | 3.04 | 2.41 | 1.49 | 1.01 |
| Av. snowfall in inch Snowfall Sn | 0 | 0 | 0 | 0 | 3 | 10 |
Denison experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and bring the most precipitation, contributing to the moderate annual total. Winters are cold, with significant snowfall. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Denison Climate Graph - Iowa Climate Chart
Daily normals Denison - Iowa - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 29.9 | 12.2 | 0.04 | 0.04 | 0.20 | 0.50 |
| 2 Jan | 29.9 | 12.0 | 0.04 | 0.04 | 0.51 | 1.30 |
| 3 Jan | 29.9 | 11.9 | 0.08 | 0.08 | 0.71 | 1.80 |
| 4 Jan | 29.9 | 11.8 | 0.08 | 0.08 | 0.98 | 2.50 |
| 5 Jan | 29.9 | 11.7 | 0.12 | 0.12 | 1.18 | 3.00 |
| 6 Jan | 29.9 | 11.7 | 0.12 | 0.12 | 1.42 | 3.60 |
| 7 Jan | 29.9 | 11.6 | 0.16 | 0.16 | 1.61 | 4.10 |
| 8 Jan | 29.9 | 11.5 | 0.20 | 0.20 | 1.89 | 4.80 |
| 9 Jan | 29.9 | 11.4 | 0.20 | 0.20 | 2.09 | 5.30 |
| 10 Jan | 30.0 | 11.3 | 0.24 | 0.24 | 2.28 | 5.80 |
| 11 Jan | 30.0 | 11.3 | 0.24 | 0.24 | 2.52 | 6.40 |
| 12 Jan | 30.0 | 11.2 | 0.28 | 0.28 | 2.72 | 6.90 |
| 13 Jan | 30.1 | 11.2 | 0.28 | 0.28 | 2.99 | 7.60 |
| 14 Jan | 30.1 | 11.1 | 0.31 | 0.31 | 3.19 | 8.10 |
| 15 Jan | 30.2 | 11.1 | 0.31 | 0.31 | 3.39 | 8.60 |
| 16 Jan | 30.2 | 11.1 | 0.35 | 0.35 | 3.70 | 9.40 |
| 17 Jan | 30.3 | 11.0 | 0.39 | 0.39 | 3.90 | 9.90 |
| 18 Jan | 30.3 | 11.0 | 0.39 | 0.39 | 4.21 | 10.70 |
| 19 Jan | 30.4 | 11.0 | 0.43 | 0.43 | 4.41 | 11.20 |
| 20 Jan | 30.5 | 11.0 | 0.43 | 0.43 | 4.69 | 11.90 |
| 21 Jan | 30.5 | 11.1 | 0.47 | 0.47 | 4.88 | 12.40 |
| 22 Jan | 30.6 | 11.1 | 0.47 | 0.47 | 5.20 | 13.20 |
| 23 Jan | 30.7 | 11.1 | 0.51 | 0.51 | 5.39 | 13.70 |
| 24 Jan | 30.8 | 11.2 | 0.55 | 0.55 | 5.71 | 14.50 |
| 25 Jan | 30.9 | 11.2 | 0.55 | 0.55 | 5.91 | 15.00 |
| 26 Jan | 31.0 | 11.3 | 0.59 | 0.59 | 6.18 | 15.70 |
| 27 Jan | 31.1 | 11.4 | 0.63 | 0.63 | 6.50 | 16.50 |
| 28 Jan | 31.2 | 11.5 | 0.63 | 0.63 | 6.69 | 17.00 |
| 29 Jan | 31.4 | 11.6 | 0.67 | 0.67 | 7.01 | 17.80 |
| 30 Jan | 31.5 | 11.7 | 0.71 | 0.71 | 7.20 | 18.30 |
| 31 Jan | 31.6 | 11.9 | 0.71 | 0.71 | 7.52 | 19.10 |
Weather history Denison - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | - | - | - | - | - |
| 02 Jun | - | - | - | - | - |
| 03 Jun | - | - | - | - | - |
| 04 Jun | - | - | - | - | - |
| 05 Jun | - | - | - | - | - |
| 06 Jun | - | - | 0.00 | - | - |
| 07 Jun | - | - | - | - | - |
| 08 Jun | - | - | - | - | - |
| 09 Jun | - | - | - | - | - |
| 10 Jun | - | - | - | - | - |
| 11 Jun | - | - | - | - | - |
| 12 Jun | - | - | - | - | - |
| 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 Denison
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | - ºF | 30 ºF | |
| Average low temperature Av. low temp. | - ºF | 11 ºF | |
| Total precipitation Total precip. | 0.00 inch | 0.72 inch | |
| Total snowfall Total snowfall | - inch | 8 inch | |
| Highest max temperature Highest max temp. | - ºF | - | |
| Lowest max temperature Lowest max temp. | - ºF | - | |
| Highest min temperature Highest min temp. | - ºF | - | |
| Lowest min temperature Lowest min temp. | - ºF | - | |
Past weather June 2026 incomplete - Missing data
Geo Denison - Iowa
| Country | United States | |
|---|---|---|
| State | Iowa | |
| County | Crawford | |
| City | Denison | |
| Zip Code | 51442 | |
| Longitude | -95.38 dec. degr. | |
| Latitude | 41.99 dec. degr. | |
| Altitude - Elevation | 1266ft | |
| ICAO | - | |
| IATA | - |
Date and Time Denison - Iowa
| Local Time | 04:38 AM | |
|---|---|---|
| Sunrise | 05:43 AM | |
| Sunset | 09:00 PM | |
| Day/Night | Night | |
| Timezone | Chicago -6:00 | |
| Timezone DB | America - Chicago |
Map of Denison - Iowa
USGS National Map — Open interactive map
Denison weather averages
| Annual high temperature | 60ºF |
| Annual low temperature | 39ºF |
| Average annual precip. | 32.26 inch |
| Av. annual snowfall | 36 inch |
Station Data
Monthly averages Denison
Longitude: -95.3805, Latitude: 41.9866
Average weather Denison, IA - 51442
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, ...