Armour, SD Weather
Armour, SD climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 89.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 8.20 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 26 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit.
The annual average precipitation at Armour is 23.72 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 3.71 Inches.
Weather Data
Current Conditions
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Fair, 26°F | Humidity: 88% | Dewpoint: 23°F |
| Wind Speed: N 7 MPH | Heat Index: 26°F | ||
| Barometer: 29.99 in. | Wind Chill: 18°F |
Weather Forecast
| Hi: 40°F | Today: Breezy. Mostly cloudy. Slight chance of sprinkles or flurries in the afternoon. Highs around 40. South winds 5 to 10 mph becoming northwest 15 to 25 mph with gusts to around 35 mph in the afternoon. | |
| Lo: 29°F | ||
| Hi: 41°F | Monday: Partly cloudy in the morning...Then becoming sunny. Highs in the lower 40s. Northwest winds 10 to 20 mph. | |
| Lo: 21°F | ||
| Hi: 41°F | Tuesday: Sunny. Highs in the lower 40s. Southeast winds 5 to 15 mph. | |
| Lo: 25°F | ||
| Hi: 49°F | Wednesday: Partly cloudy. Highs in the upper 40s. Lows in the mid 20s. | |
| Lo: 25°F | ||
| Hi: 45°F | Thanksgiving day: Mostly cloudy. Highs in the mid 40s. Lows in the mid 20s. | |
| Lo: 25°F | ||
| Hi: 39°F | Friday: Mostly cloudy. Highs in the upper 30s. | |
| Lo: 21°F |
Moon, Sunrise and Sunset
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Moon Phase: Waning Crescent Moon | Civil Twilight: 7:04 AM CST |
Sunrise: 7:36 AM CST |
| Sunset: 5:02 PM CST |
Civil Twilight: 5:34 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 30.0 | 37.2 | 48.6 | 62.4 | 73.7 | 83.5 | 89.0 | 87.3 | 78.5 | 64.9 | 44.8 | 33.2 | 61.1 |
| Mean °F | 19.1 | 25.9 | 36.7 | 49.3 | 60.8 | 70.5 | 75.9 | 74.1 | 64.5 | 51.5 | 34.6 | 22.8 | 48.8 |
| Min °F | 8.2 | 14.6 | 24.7 | 36.1 | 47.8 | 57.5 | 62.7 | 60.9 | 50.5 | 38.1 | 24.3 | 12.4 | 36.5 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.60 | 0.69 | 1.73 | 2.53 | 3.71 | 3.31 | 3.14 | 2.29 | 2.25 | 1.75 | 1.11 | 0.61 | 23.72 |

