Flandreau, SD Weather
Flandreau, SD 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 82.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 0.90 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.
The annual average precipitation at Flandreau is 23.71 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 3.84 Inches.
Weather Data
Current Conditions
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Fair, 21°F | Humidity: 86% | Dewpoint: 18°F |
| Wind Speed: CALM | Heat Index: 21°F | ||
| Barometer: 30.13 in. | Wind Chill: 21°F |
Weather Forecast
| Hi: 51°F | Today: Sunny and warmer. Highs in the lower 50s. Southwest winds 5 to 15 mph. | |
| Lo: 29°F | ||
| Hi: 55°F | Monday: Breezy. Sunny in the morning...Then becoming partly cloudy. Highs in the mid 50s. South winds 15 to 25 mph. | |
| Lo: 35°F | ||
| Hi: 49°F | Tuesday: Mostly cloudy with isolated light rain showers. Highs in the upper 40s. Northwest winds 10 to 15 mph becoming north around 20 mph in the afternoon. Chance of rain 20 percent. | |
| Lo: 25°F | ||
| Hi: 49°F | Wednesday: Partly cloudy. Highs in the upper 40s. Lows in the upper 20s. | |
| Lo: 29°F | ||
| Hi: 49°F | Thursday: Partly cloudy. Highs in the upper 40s. Lows in the upper 20s. | |
| Lo: 29°F | ||
| Hi: 49°F | Friday: Partly cloudy. Highs in the upper 40s. Lows in the upper 20s. | |
| Lo: 29°F | ||
| Hi: 49°F | Saturday: Partly cloudy. Highs in the upper 40s. Lows in the upper 20s. | |
| Lo: 29°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:58 AM CDT |
Sunrise: 7:27 AM CDT |
| Sunset: 7:40 PM CDT |
Civil Twilight: 8:09 PM CDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 22.1 | 28.4 | 39.8 | 55.7 | 68.8 | 77.9 | 82.5 | 80.5 | 71.9 | 59.3 | 39.9 | 26.5 | 54.4 |
| Mean °F | 11.5 | 17.9 | 30.1 | 44.3 | 57.2 | 66.9 | 71.5 | 69.1 | 59.1 | 46.6 | 30.2 | 17.0 | 43.5 |
| Min °F | 0.9 | 7.4 | 20.3 | 32.8 | 45.5 | 55.8 | 60.4 | 57.6 | 46.3 | 33.9 | 20.5 | 7.4 | 32.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.41 | 0.39 | 1.34 | 2.22 | 3.00 | 3.84 | 3.37 | 3.06 | 2.55 | 2.05 | 1.08 | 0.40 | 23.71 |

