Terril, IA
Climate overview — based on NOAA 1991-2020 normals from SPIRIT LAKE, IA US.
Year-round temperatures (°F)
Climate summary
Terril has an annual average temperature of 45.7°F with about 29.1 inches of precipitation per year and 41.5 inches of snow. The warmest month is July (average high 82.8°F), and the coldest is January (average low 7.1°F). June is typically the wettest month (4.77 in) and January the driest (0.55 in). Snow typically falls from October through April.
Best time to visit Terril
Full guide →Climate change signal
All-time records →89 of 366 (24.3%) of Terril'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 | 119 | |
| 1900s | 46 | |
| 1940s | 0 | |
| 1950s | 10 | |
| 1990s | 20 | |
| 2000s | 58 | |
| 2010s | 41 | |
| 2020s | 72 |
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 | 24.0°F | 7.1°F | 15.6°F | 0.55 in | 9.5 in | 5 |
| February | 28.3°F | 11.0°F | 19.6°F | 0.63 in | 8.2 in | 5 |
| March | 41.6°F | 23.2°F | 32.4°F | 1.43 in | 6.0 in | 6 |
| April | 55.9°F | 35.1°F | 45.5°F | 2.99 in | 5.1 in | 9 |
| May | 68.2°F | 47.6°F | 57.9°F | 4.13 in | 0.1 in | 10 |
| June | 78.9°F | 58.6°F | 68.7°F | 4.77 in | — | 9 |
| July | 82.8°F | 62.6°F | 72.7°F | 3.53 in | — | 7 |
| August | 80.1°F | 60.2°F | 70.1°F | 3.69 in | — | 8 |
| September | 73.1°F | 52.1°F | 62.6°F | 3.03 in | — | 6 |
| October | 59.0°F | 38.6°F | 48.8°F | 2.09 in | 0.4 in | 7 |
| November | 42.3°F | 24.9°F | 33.6°F | 1.39 in | 4.2 in | 4 |
| December | 28.6°F | 12.9°F | 20.8°F | 0.82 in | 8.0 in | 5 |
Climate twins of Terril
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).