Westerville, OH
Climate overview — based on NOAA 1991-2020 normals from WESTERVILLE, OH US.
Year-round temperatures (°F)
Climate summary
Westerville has an annual average temperature of 53.9°F with about 42.2 inches of precipitation per year and 19 inches of snow. The warmest month is July (average high 85.9°F), and the coldest is January (average low 22.0°F). June is typically the wettest month (5.02 in) and February the driest (2.36 in). Snow typically falls from November through March.
Best time to visit Westerville
Full guide →Climate change signal
All-time records →47 of 366 (12.8%) of Westerville'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.
| 1950s | 67 | |
| 1960s | 42 | |
| 1970s | 29 | |
| 1980s | 61 | |
| 1990s | 48 | |
| 2000s | 45 | |
| 2010s | 53 | |
| 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 | 37.7°F | 22.0°F | 29.9°F | 2.93 in | 6.9 in | 13 |
| February | 42.0°F | 24.0°F | 33.0°F | 2.36 in | 5.3 in | 11 |
| March | 52.6°F | 31.9°F | 42.3°F | 3.42 in | 2.8 in | 12 |
| April | 66.3°F | 41.9°F | 54.1°F | 3.91 in | 0.1 in | 14 |
| May | 75.5°F | 52.4°F | 63.9°F | 4.22 in | — | 14 |
| June | 83.2°F | 61.1°F | 72.2°F | 5.02 in | — | 12 |
| July | 85.9°F | 64.9°F | 75.4°F | 4.56 in | — | 12 |
| August | 84.6°F | 63.1°F | 73.8°F | 3.64 in | — | 9 |
| September | 79.1°F | 56.0°F | 67.6°F | 3.29 in | — | 9 |
| October | 67.3°F | 44.7°F | 56.0°F | 2.95 in | — | 11 |
| November | 53.4°F | 34.9°F | 44.2°F | 2.88 in | 0.5 in | 11 |
| December | 42.1°F | 27.0°F | 34.6°F | 3.05 in | 3.4 in | 13 |
Climate twins of Westerville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).