Hilliard, Columbus Weather
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Climate of Hilliard: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), August is usually the hottest month in Hilliard, with average daytime highs around 29°C. January is the coolest, when nights typically fall to about -7°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 36°C, so the seasons feel very different from each other.
The area receives about 990 mm of rain in a typical year. Most of it falls from May to June, and May is the wettest month at roughly 105 mm.
For outdoor plans and travel, July to October usually offer the most comfortable weather in Hilliard, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 2° | -7° | 65 mm | 85% |
| Feb | 3° | -6° | 62 mm | 84% |
| Mar | 9° | -1° | 85 mm | 81% |
| Apr | 17° | 5° | 95 mm | 77% |
| May | 22° | 11° | 105 mm | 78% |
| Jun | 26° | 16° | 104 mm | 77% |
| Jul | 29° | 18° | 93 mm | 74% |
| Aug | 29° | 17° | 78 mm | 70% |
| Sep | 26° | 13° | 77 mm | 70% |
| Oct | 18° | 6° | 77 mm | 74% |
| Nov | 11° | 0° | 71 mm | 79% |
| Dec | 4° | -4° | 74 mm | 85% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Hilliard. Values describe typical conditions, not a forecast.
About Hilliard weather
Hilliard, in Ohio's humid continental climate, with warm summers and cold winters typical of the Midwest, is positioned about 161 km north-east of Cincinnati. The warmer months mean warm, humid summers (June–August) with highs in the high 20s to low 30s°C. Finally, there's cold winters (December–February) with regular snow, especially near Lake Erie. This page shows live, auto-refreshing weather for Hilliard: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Hilliard is about 161 km north-east of Cincinnati, in Ohio.
Hilliard sees cold winters (December–February) with regular snow, especially near Lake Erie.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Hilliard's exact coordinates. No fixed schedule, the page updates whenever you load it.
August is usually the hottest month in Hilliard, with average daytime highs of about 29°C and nights around 17°C.
The coldest nights come in January, when the average low is about -7°C and daytime highs reach around 2°C. Frost is possible on clear, calm nights.
Hilliard receives about 990 mm of rain in a typical year. May is the wettest month at roughly 105 mm, and the main rainy period is May to June.
July to October usually offer the most comfortable weather in Hilliard, with mild daytime temperatures and little rain.
In November Hilliard typically sees daytime highs near 11°C and lows near 0°C, with about 71 mm of rain over the month and average humidity around 79%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Hilliard updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Hilliard's day-to-day weather follows the broader pattern of Ohio described above. See the hourly weather forecast or the air quality index for more detail.