Ann Arbor weather in July: Ann Arbor, Michigan: normal highs, lows, rain and records for July
Ann Arbor in July has a normal high of 84°F and a normal low of 57°F, a daily mean of 71°F, holding near 84°F all month. Measurable precipitation falls on 11 days in a normal July, 3.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 14°C, 81 mm of precipitation in July.
- NOAA stationAnn Arbor Municipal Airport
- Station IDUSW00094889
- Location42.22°N 83.74°W
- Elevation839 ft (256 m)
- From the center4 miles
- Population122,925
- Jan 32° 15°
- Feb 35° 16°
- Mar 45° 25°
- Apr 59° 35°
- May 70° 46°
- Jun 79° 54°
- Jul 84° 57°
- Aug 81° 57°
- Sep 74° 48°
- Oct 62° 38°
- Nov 48° 30°
- Dec 36° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ann Arbor in July?
The normal high is 84°F and the normal low 57°F, for a daily mean of 70.5°F. July is 4.1°F warmer than June and 1.3°F warmer than August. July is the warmest month of the year in Ann Arbor and the 3rd wettest. Across the month the normal high rises 1°F, from 83°F on July 1 to 84°F on July 31. From one year to the next July's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Julys in three average between 68°F and 73°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 83°F | 56°F | 35% | 18% |
| July 8 | 84°F | 57°F | 35% | 18% |
| July 15 | 84°F | 57°F | 35% | 18% |
| July 22 | 84°F | 58°F | 36% | 18% |
| July 31 | 84°F | 58°F | 37% | 19% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 15, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 83°F | 56°F | 35% | 18% | 15 h 10 min |
| July 2 | 83°F | 56°F | 35% | 17% | 15 h 10 min |
| July 3 | 83°F | 56°F | 35% | 17% | 15 h 10 min |
| July 4 | 83°F | 56°F | 35% | 17% | 15 h 10 min |
| July 5 | 83°F | 56°F | 35% | 17% | 15 h 10 min |
| July 6 | 84°F | 56°F | 35% | 18% | 15 h 10 min |
| July 7 | 84°F | 57°F | 35% | 18% | 15 h 10 min |
| July 8 | 84°F | 57°F | 35% | 18% | 15 h 10 min |
| July 9 | 84°F | 57°F | 35% | 18% | 15 h 10 min |
| July 10 | 84°F | 57°F | 35% | 18% | 15 h 10 min |
| July 11 | 84°F | 57°F | 35% | 18% | 15 h |
| July 12 | 84°F | 57°F | 35% | 18% | 15 h |
| July 13 | 84°F | 57°F | 35% | 18% | 15 h |
| July 14 | 84°F | 57°F | 35% | 18% | 15 h |
| July 15 | 84°F | 57°F | 35% | 18% | 15 h |
| July 16 | 84°F | 57°F | 35% | 18% | 15 h |
| July 17 | 84°F | 57°F | 35% | 18% | 15 h |
| July 18 | 84°F | 57°F | 35% | 18% | 15 h |
| July 19 | 84°F | 58°F | 35% | 18% | 14 h 50 min |
| July 20 | 84°F | 58°F | 36% | 18% | 14 h 50 min |
| July 21 | 84°F | 58°F | 36% | 18% | 14 h 50 min |
| July 22 | 84°F | 58°F | 36% | 18% | 14 h 50 min |
| July 23 | 84°F | 58°F | 36% | 18% | 14 h 50 min |
| July 24 | 84°F | 58°F | 36% | 19% | 14 h 40 min |
| July 25 | 84°F | 58°F | 36% | 19% | 14 h 40 min |
| July 26 | 84°F | 58°F | 37% | 19% | 14 h 40 min |
| July 27 | 84°F | 58°F | 37% | 19% | 14 h 40 min |
| July 28 | 84°F | 58°F | 37% | 19% | 14 h 40 min |
| July 29 | 84°F | 58°F | 37% | 19% | 14 h 40 min |
| July 30 | 84°F | 58°F | 37% | 19% | 14 h 30 min |
| July 31 | 84°F | 58°F | 37% | 19% | 14 h 30 min |
- Normal high
- 84°FJuly average
- Normal low
- 57°FJuly average
- Precipitation
- 3.20 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 15 h 10 min to 14 h 30 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 24
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094889; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ann Arbor in July?
On a given July day the chance of 0.01 inch or more is 35% on average, highest around July 31 (37%). In all, 3.20 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Ann Arbor, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094889.
What are the records for July in Ann Arbor?
The warmest July temperature on this station's record (since 1998) is 102°F, on July 17, 2012; the coldest is 37°F, on July 6, 2001. The wettest July brought 8.41 in (2011).
The July mean against the 1991-2020 normal of 70.5°F: 2021 70.3°F (−0.2), 2022 70.4°F (−0.1), 2023 69.3°F (−1.2), 2024 69.9°F (−0.6), 2025 71.9°F (+1.4). 1 of 5 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.3°F | −0.2°F | 3.98 in |
| 2022 | 70.4°F | −0.1°F | 2.62 in |
| 2023 | 69.3°F | −1.2°F | 2.13 in |
| 2024 | 69.9°F | −0.6°F | 4.00 in |
| 2025 | 71.9°F | +1.4°F | 4.15 in |
Source: records: ACIS, station USW00094889; recent months: ACIS, station USW00094889. Records and recent months use complete months only.
How does July in Ann Arbor compare across Michigan?
Across the 140 places PlainClimate covers in Michigan, July normal highs run from 72°F in Copper Harbor to 86°F in Tecumseh; Ann Arbor's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.