Ankeny weather in August: Ankeny, Iowa: normal highs, lows, rain and records for August
Ankeny in August has a normal high of 84°F and a normal low of 62°F, a daily mean of 73°F, falling from 85°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.72 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 120 mm of precipitation in August.
- NOAA stationAnkeny
- Station IDUSC00130241
- Location41.73°N 93.65°W
- Elevation975 ft (297 m)
- From the center3 miles
- Population76,727
- Jan 30° 12°
- Feb 34° 16°
- Mar 47° 27°
- Apr 61° 38°
- May 72° 50°
- Jun 82° 61°
- Jul 86° 65°
- Aug 84° 62°
- Sep 77° 53°
- Oct 64° 41°
- Nov 48° 29°
- Dec 35° 18°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ankeny in August?
The normal high is 84°F and the normal low 62°F, for a daily mean of 72.7°F. August is 2.5°F cooler than July and 7.7°F warmer than September. August is the 2nd warmest month of the year in Ankeny and the 3rd wettest. Across the month the normal high falls 3°F, from 85°F on August 1 to 82°F on August 31. From one year to the next August's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 70°F and 75°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 85°F | 64°F | 32% | 22% |
| August 8 | 85°F | 63°F | 32% | 22% |
| August 15 | 84°F | 62°F | 31% | 21% |
| August 22 | 83°F | 61°F | 30% | 20% |
| August 31 | 82°F | 58°F | 28% | 18% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 85°F | 64°F | 32% | 22% | 14 h 30 min |
| August 2 | 85°F | 64°F | 32% | 22% | 14 h 20 min |
| August 3 | 85°F | 64°F | 32% | 22% | 14 h 20 min |
| August 4 | 85°F | 64°F | 32% | 22% | 14 h 20 min |
| August 5 | 85°F | 64°F | 32% | 22% | 14 h 20 min |
| August 6 | 85°F | 64°F | 32% | 22% | 14 h 20 min |
| August 7 | 85°F | 63°F | 32% | 22% | 14 h 10 min |
| August 8 | 85°F | 63°F | 32% | 22% | 14 h 10 min |
| August 9 | 85°F | 63°F | 32% | 21% | 14 h 10 min |
| August 10 | 85°F | 63°F | 32% | 21% | 14 h 10 min |
| August 11 | 84°F | 63°F | 32% | 21% | 14 h |
| August 12 | 84°F | 63°F | 31% | 21% | 14 h |
| August 13 | 84°F | 63°F | 31% | 21% | 14 h |
| August 14 | 84°F | 62°F | 31% | 21% | 14 h |
| August 15 | 84°F | 62°F | 31% | 21% | 13 h 50 min |
| August 16 | 84°F | 62°F | 31% | 21% | 13 h 50 min |
| August 17 | 84°F | 62°F | 31% | 20% | 13 h 50 min |
| August 18 | 84°F | 62°F | 30% | 20% | 13 h 50 min |
| August 19 | 84°F | 61°F | 30% | 20% | 13 h 40 min |
| August 20 | 83°F | 61°F | 30% | 20% | 13 h 40 min |
| August 21 | 83°F | 61°F | 30% | 20% | 13 h 40 min |
| August 22 | 83°F | 61°F | 30% | 20% | 13 h 40 min |
| August 23 | 83°F | 61°F | 29% | 19% | 13 h 30 min |
| August 24 | 83°F | 60°F | 29% | 19% | 13 h 30 min |
| August 25 | 83°F | 60°F | 29% | 19% | 13 h 30 min |
| August 26 | 82°F | 60°F | 29% | 19% | 13 h 30 min |
| August 27 | 82°F | 60°F | 29% | 19% | 13 h 20 min |
| August 28 | 82°F | 59°F | 29% | 19% | 13 h 20 min |
| August 29 | 82°F | 59°F | 29% | 19% | 13 h 20 min |
| August 30 | 82°F | 59°F | 28% | 19% | 13 h 20 min |
| August 31 | 82°F | 58°F | 28% | 18% | 13 h 10 min |
- Normal high
- 84°FAugust average
- Normal low
- 62°FAugust average
- Precipitation
- 4.72 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 6
- Daylight
- 14 h 30 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 24
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00130241; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ankeny in August?
On a given August day the chance of 0.01 inch or more is 30% on average, highest around August 5 (32%). In all, 4.72 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Ankeny, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00130241.
What are the records for August in Ankeny?
The warmest August temperature on this station's record (since 1950) is 106°F, on August 16, 1983; the coldest is 39°F, on August 20, 1950. The wettest August brought 13.71 in (2010).
Source: records: ACIS, station USC00130241. Records and recent months use complete months only.
How does August in Ankeny compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, August normal highs run from 76°F in Northwood to 85°F in Donnellson; Ankeny's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.