Twin Brooks, SD
Climate overview — based on NOAA 1991-2020 normals from MILBANK 4 NW, SD US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Twin Brooks has an annual average temperature of 44°F with about 0 inches of precipitation per year. The warmest month is July (average high 84.2°F), and the coldest is January (average low 1.9°F).
Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
60.5°F
warmest to coldest month
Best time to visit Twin Brooks
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Twin Brooks's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 23 | |
| 1900s | 35 | |
| 1910s | 32 | |
| 1920s | 26 | |
| 1930s | 86 | |
| 1940s | 32 | |
| 1950s | 22 | |
| 1960s | 21 | |
| 1970s | 14 | |
| 1980s | 39 | |
| 1990s | 14 | |
| 2000s | 22 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 22.4°F | 1.9°F | 12.2°F | in | — | — |
| February | 27.0°F | 6.4°F | 16.7°F | in | — | — |
| March | 39.9°F | 19.0°F | 29.4°F | in | — | — |
| April | 55.0°F | 32.3°F | 43.6°F | in | — | — |
| May | 68.6°F | 46.1°F | 57.3°F | in | — | — |
| June | 78.8°F | 57.1°F | 68.0°F | in | — | — |
| July | 84.2°F | 61.2°F | 72.7°F | in | — | — |
| August | 81.6°F | 58.9°F | 70.3°F | in | — | — |
| September | 74.4°F | 49.0°F | 61.7°F | in | — | — |
| October | 58.8°F | 34.8°F | 46.8°F | in | — | — |
| November | 42.2°F | 21.1°F | 31.7°F | in | — | — |
| December | 27.4°F | 8.2°F | 17.8°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when