Union, KY
Climate overview — based on NOAA 1991-2020 normals from CINCINNATI NORTHERN KY AP, KY US.
Year-round temperatures (°F)
Climate summary
Union has an annual average temperature of 54.7°F with about 45.3 inches of precipitation per year and 23.3 inches of snow. The warmest month is July (average high 86.0°F), and the coldest is January (average low 23.1°F). June is typically the wettest month (4.75 in) and September the driest (3.11 in). Snow typically falls from October through April.
Best time to visit Union
Full guide →Climate change signal
All-time records →42 of 366 (11.5%) of Union'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.
| 1940s | 11 | |
| 1950s | 67 | |
| 1960s | 43 | |
| 1970s | 39 | |
| 1980s | 47 | |
| 1990s | 37 | |
| 2000s | 47 | |
| 2010s | 54 | |
| 2020s | 21 |
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 | 39.6°F | 23.1°F | 31.4°F | 3.30 in | 7.7 in | 13 |
| February | 43.7°F | 25.8°F | 34.7°F | 3.17 in | 6.7 in | 12 |
| March | 53.5°F | 33.8°F | 43.6°F | 4.16 in | 3.4 in | 13 |
| April | 65.5°F | 43.7°F | 54.6°F | 4.53 in | 0.4 in | 13 |
| May | 74.5°F | 53.7°F | 64.1°F | 4.67 in | — | 14 |
| June | 82.6°F | 62.1°F | 72.3°F | 4.75 in | — | 12 |
| July | 86.0°F | 65.9°F | 75.9°F | 3.83 in | — | 11 |
| August | 85.2°F | 64.6°F | 74.9°F | 3.43 in | — | 9 |
| September | 78.9°F | 57.3°F | 68.1°F | 3.11 in | — | 8 |
| October | 66.7°F | 45.7°F | 56.2°F | 3.35 in | 0.2 in | 9 |
| November | 53.8°F | 35.1°F | 44.4°F | 3.23 in | 0.8 in | 10 |
| December | 43.3°F | 27.9°F | 35.6°F | 3.73 in | 4.1 in | 12 |
Climate twins of Union
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).