Superior, IA Weather
Superior, IA climate is warm during summer when temperatures tend to be in the 70's and extremely cold during winter when temperatures tend to be in the 10's.
The warmest month of the year is July with an average maximum temperature of 82.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 4.00 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.
The annual average precipitation at Superior is 28.41 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.65 Inches.
Weather Data
Current Conditions
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Overcast, 36°F | Humidity: 82% | Dewpoint: 31°F |
| Wind Speed: W 8.1 MPH (7 KT) | Heat Index: 36°F | ||
| Barometer: 29.85 in. | Wind Chill: 30°F |
Weather Forecast
| Hi: 35°F | Today: Windy. Periods of snow late morning into late afternoon. Snow accumulation of an inch or less. Highs in the mid 30s. Northwest winds increasing to 20 to 30 mph with gusts to 40 mph in the afternoon. Chance of precipitation 80 percent. | |
| Lo: 21°F | ||
| Hi: 35°F | Thanksgiving day: Sunny in the morning...Then becoming partly cloudy. Highs in the mid 30s. Northwest winds 5 to 15 mph. | |
| Lo: 29°F | ||
| Hi: 49°F | Friday: Partly cloudy in the morning...Then becoming sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph. | |
| Lo: 29°F | ||
| Hi: 41°F | Saturday: Sunny in the morning...Then becoming partly cloudy. Highs in the lower 40s. | |
| Lo: 29°F | ||
| Hi: 39°F | Sunday: Partly sunny with a 20 percent chance of light snow. Highs in the upper 30s. | |
| Lo: 25°F | ||
| Hi: 39°F | Monday: Partly cloudy. Highs in the upper 30s. Lows in the lower 20s. | |
| Lo: 21°F | ||
| Hi: 39°F | Tuesday: Partly cloudy. Highs in the upper 30s. Lows in the lower 20s. | |
| Lo: 21°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:53 AM CST |
Sunrise: 7:25 AM CST |
| Sunset: 4:47 PM CST |
Civil Twilight: 5:19 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 22.9 | 29.0 | 40.7 | 56.4 | 70.4 | 79.6 | 82.8 | 80.2 | 72.8 | 60.5 | 41.3 | 27.1 | 55.3 |
| Mean °F | 13.5 | 19.6 | 31.2 | 44.9 | 58.4 | 68.0 | 71.6 | 69.0 | 60.2 | 48.1 | 32.0 | 18.3 | 44.6 |
| Min °F | 4.0 | 10.2 | 21.7 | 33.3 | 46.3 | 56.3 | 60.3 | 57.7 | 47.6 | 35.7 | 22.7 | 9.5 | 33.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.67 | 0.48 | 1.73 | 3.10 | 3.47 | 4.65 | 3.55 | 3.82 | 2.68 | 2.15 | 1.48 | 0.63 | 28.41 |

