Decatur, NE
Climate overview — based on NOAA 1991-2020 normals from ONAWA 3NW, IA US.
Year-round temperatures (°F)
Climate summary
Decatur has an annual average temperature of 48.5°F with about 29.9 inches of precipitation per year and 31 inches of snow. The warmest month is July (average high 86.0°F), and the coldest is January (average low 8.5°F). May is typically the wettest month (4.58 in) and January the driest (0.54 in). Snow typically falls from October through April.
Best time to visit Decatur
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Decatur'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 | 2 | |
| 1900s | 16 | |
| 1910s | 22 | |
| 1920s | 9 | |
| 1930s | 100 | |
| 1940s | 28 | |
| 1950s | 47 | |
| 1960s | 25 | |
| 1970s | 22 | |
| 1980s | 29 | |
| 1990s | 21 | |
| 2000s | 42 | |
| 2010s | 3 |
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 | 30.2°F | 8.5°F | 19.4°F | 0.54 in | 7.9 in | 5 |
| February | 35.6°F | 12.5°F | 24.0°F | 0.78 in | 6.6 in | 4 |
| March | 49.8°F | 23.9°F | 36.8°F | 1.57 in | 4.5 in | 6 |
| April | 62.7°F | 34.7°F | 48.7°F | 3.28 in | 1.8 in | 8 |
| May | 73.5°F | 47.9°F | 60.7°F | 4.58 in | — | 9 |
| June | 83.1°F | 59.0°F | 71.0°F | 4.18 in | — | 9 |
| July | 86.0°F | 62.6°F | 74.3°F | 3.39 in | — | 8 |
| August | 83.7°F | 59.4°F | 71.5°F | 4.07 in | — | 7 |
| September | 78.1°F | 50.3°F | 64.2°F | 2.97 in | — | 6 |
| October | 65.4°F | 37.3°F | 51.3°F | 2.31 in | 0.3 in | 5 |
| November | 48.6°F | 23.7°F | 36.1°F | 1.50 in | 2.8 in | 5 |
| December | 34.4°F | 13.5°F | 24.0°F | 0.69 in | 7.1 in | 4 |
Climate twins of Decatur
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).