Westerville weather in July: Westerville, Ohio: normal highs, lows, rain and records for July
Westerville in July has a normal high of 86°F and a normal low of 65°F, a daily mean of 75°F, holding near 86°F all month. Measurable precipitation falls on 12 days in a normal July, 4.56 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 18°C, 116 mm of precipitation in July.
- NOAA stationWesterville
- Station IDUSC00338951
- Location40.13°N 82.94°W
- Elevation802 ft (244 m)
- From the center2 miles
- Population38,612
- Jan 38° 22°
- Feb 42° 24°
- Mar 53° 32°
- Apr 66° 42°
- May 76° 52°
- Jun 83° 61°
- Jul 86° 65°
- Aug 85° 63°
- Sep 79° 56°
- Oct 67° 45°
- Nov 53° 35°
- Dec 42° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Westerville in July?
The normal high is 86°F and the normal low 65°F, for a daily mean of 75.4°F. July is 3.2°F warmer than June and 1.6°F warmer than August. July is the warmest month of the year in Westerville and the 2nd wettest. Across the month the normal high falls 1°F, from 86°F on July 1 to 85°F on July 31. From one year to the next July's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Julys in three average between 73°F and 78°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 86°F | 64°F | 38% | 26% |
| July 8 | 86°F | 65°F | 38% | 26% |
| July 15 | 86°F | 65°F | 37% | 25% |
| July 22 | 86°F | 65°F | 36% | 25% |
| July 31 | 85°F | 65°F | 34% | 23% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 6, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 86°F | 64°F | 38% | 26% | 15 h |
| July 2 | 86°F | 64°F | 38% | 26% | 15 h |
| July 3 | 86°F | 65°F | 38% | 26% | 15 h |
| July 4 | 86°F | 65°F | 38% | 26% | 15 h |
| July 5 | 86°F | 65°F | 38% | 26% | 15 h |
| July 6 | 86°F | 65°F | 38% | 26% | 15 h |
| July 7 | 86°F | 65°F | 38% | 26% | 15 h |
| July 8 | 86°F | 65°F | 38% | 26% | 14 h 50 min |
| July 9 | 86°F | 65°F | 38% | 26% | 14 h 50 min |
| July 10 | 86°F | 65°F | 37% | 26% | 14 h 50 min |
| July 11 | 86°F | 65°F | 37% | 26% | 14 h 50 min |
| July 12 | 86°F | 65°F | 37% | 25% | 14 h 50 min |
| July 13 | 86°F | 65°F | 37% | 25% | 14 h 50 min |
| July 14 | 86°F | 65°F | 37% | 25% | 14 h 50 min |
| July 15 | 86°F | 65°F | 37% | 25% | 14 h 50 min |
| July 16 | 86°F | 65°F | 37% | 25% | 14 h 50 min |
| July 17 | 86°F | 65°F | 36% | 25% | 14 h 40 min |
| July 18 | 86°F | 65°F | 36% | 25% | 14 h 40 min |
| July 19 | 86°F | 65°F | 36% | 25% | 14 h 40 min |
| July 20 | 86°F | 65°F | 36% | 25% | 14 h 40 min |
| July 21 | 86°F | 65°F | 36% | 25% | 14 h 40 min |
| July 22 | 86°F | 65°F | 36% | 25% | 14 h 40 min |
| July 23 | 86°F | 65°F | 36% | 25% | 14 h 30 min |
| July 24 | 86°F | 65°F | 35% | 24% | 14 h 30 min |
| July 25 | 86°F | 65°F | 35% | 24% | 14 h 30 min |
| July 26 | 86°F | 65°F | 35% | 24% | 14 h 30 min |
| July 27 | 86°F | 65°F | 35% | 24% | 14 h 30 min |
| July 28 | 86°F | 65°F | 34% | 24% | 14 h 30 min |
| July 29 | 85°F | 65°F | 34% | 23% | 14 h 20 min |
| July 30 | 85°F | 65°F | 34% | 23% | 14 h 20 min |
| July 31 | 85°F | 65°F | 34% | 23% | 14 h 20 min |
- Normal high
- 86°FJuly average
- Normal low
- 65°FJuly average
- Precipitation
- 4.56 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 15 h to 14 h 20 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00338951; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Westerville in July?
On a given July day the chance of 0.01 inch or more is 36% on average, highest around July 1 (38%). In all, 4.56 in falls on 12 days of a normal July, 1 of them with an inch or more.
In a normal July in Westerville, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00338951.
What are the records for July in Westerville?
The warmest July temperature on this station's record (since 1897) is 102°F, on July 14, 1954; the coldest is 41°F, on July 1, 1988. The wettest July brought 9.60 in (1990).
The July mean against the 1991-2020 normal of 75.4°F: 2021 74.1°F (−1.3), 2022 75.1°F (−0.3), 2023 74.8°F (−0.6), 2024 74.4°F (−1.0), 2025 77.3°F (+1.9), 2026 76.1°F (+0.7). 2 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.1°F | −1.3°F | 6.72 in |
| 2022 | 75.1°F | −0.3°F | 7.28 in |
| 2023 | 74.8°F | −0.6°F | 5.44 in |
| 2024 | 74.4°F | −1.0°F | 2.39 in |
| 2025 | 77.3°F | +1.9°F | 4.84 in |
| 2026 | 76.1°F | +0.7°F | 5.99 in |
Source: records: ACIS, station USC00338951; recent months: ACIS, station USC00338951. Records and recent months use complete months only.
How does July in Westerville compare across Ohio?
Across the 99 places PlainClimate covers in Ohio, July normal highs run from 81°F in Hiram to 87°F in Fairfield; Westerville's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.