Valparaiso weather in August: Valparaiso, Indiana: normal highs, lows, rain and records for August
Valparaiso in August has a normal high of 83°F and a normal low of 62°F, a daily mean of 73°F, falling from 84°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 3.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 99 mm of precipitation in August.
- NOAA stationValparaiso Porter County Municipal Airport
- Station IDUSW00004846
- Location41.45°N 87.01°W
- Elevation770 ft (235 m)
- Population35,065
- Jan 34° 18°
- Feb 38° 22°
- Mar 49° 31°
- Apr 62° 40°
- May 73° 51°
- Jun 82° 61°
- Jul 85° 64°
- Aug 83° 62°
- Sep 78° 55°
- Oct 65° 44°
- Nov 51° 34°
- Dec 39° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Valparaiso in August?
The normal high is 83°F and the normal low 62°F, for a daily mean of 72.8°F. August is 1.8°F cooler than July and 6.6°F warmer than September. August is the 2nd warmest month of the year in Valparaiso and the wettest. Across the month the normal high falls 2°F, from 84°F on August 1 to 82°F on August 31. From one year to the next August's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 71°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 84°F | 64°F | 37% | 19% |
| August 8 | 84°F | 63°F | 36% | 19% |
| August 15 | 84°F | 63°F | 37% | 20% |
| August 22 | 83°F | 62°F | 37% | 20% |
| August 31 | 82°F | 60°F | 36% | 19% |
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 | 84°F | 64°F | 37% | 19% | 14 h 30 min |
| August 2 | 84°F | 64°F | 37% | 19% | 14 h 20 min |
| August 3 | 84°F | 64°F | 37% | 19% | 14 h 20 min |
| August 4 | 84°F | 64°F | 37% | 19% | 14 h 20 min |
| August 5 | 84°F | 64°F | 36% | 19% | 14 h 20 min |
| August 6 | 84°F | 63°F | 36% | 19% | 14 h 10 min |
| August 7 | 84°F | 63°F | 36% | 19% | 14 h 10 min |
| August 8 | 84°F | 63°F | 36% | 19% | 14 h 10 min |
| August 9 | 84°F | 63°F | 36% | 19% | 14 h 10 min |
| August 10 | 84°F | 63°F | 36% | 19% | 14 h 10 min |
| August 11 | 84°F | 63°F | 36% | 20% | 14 h |
| August 12 | 84°F | 63°F | 36% | 20% | 14 h |
| August 13 | 84°F | 63°F | 36% | 20% | 14 h |
| August 14 | 84°F | 63°F | 37% | 20% | 14 h |
| August 15 | 84°F | 63°F | 37% | 20% | 13 h 50 min |
| August 16 | 83°F | 63°F | 37% | 20% | 13 h 50 min |
| August 17 | 83°F | 63°F | 37% | 20% | 13 h 50 min |
| August 18 | 83°F | 62°F | 37% | 20% | 13 h 50 min |
| August 19 | 83°F | 62°F | 37% | 20% | 13 h 40 min |
| August 20 | 83°F | 62°F | 37% | 20% | 13 h 40 min |
| August 21 | 83°F | 62°F | 37% | 20% | 13 h 40 min |
| August 22 | 83°F | 62°F | 37% | 20% | 13 h 40 min |
| August 23 | 83°F | 62°F | 37% | 20% | 13 h 30 min |
| August 24 | 83°F | 61°F | 37% | 20% | 13 h 30 min |
| August 25 | 83°F | 61°F | 37% | 20% | 13 h 30 min |
| August 26 | 82°F | 61°F | 37% | 20% | 13 h 30 min |
| August 27 | 82°F | 61°F | 36% | 20% | 13 h 20 min |
| August 28 | 82°F | 61°F | 36% | 19% | 13 h 20 min |
| August 29 | 82°F | 60°F | 36% | 19% | 13 h 20 min |
| August 30 | 82°F | 60°F | 36% | 19% | 13 h 20 min |
| August 31 | 82°F | 60°F | 36% | 19% | 13 h 10 min |
- Normal high
- 83°FAugust average
- Normal low
- 62°FAugust average
- Precipitation
- 3.89 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 3
- 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
- 20
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004846; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Valparaiso in August?
On a given August day the chance of 0.01 inch or more is 36% on average, highest around August 20 (37%). In all, 3.89 in falls on 11 days of a normal August, 1 of them with an inch or more.
In a normal August in Valparaiso, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004846.
What are the records for August in Valparaiso?
The warmest August temperature on this station's record (since 1997) is 96°F, on August 24, 2023; the coldest is 43°F, on August 15, 2014. The wettest August brought 10.49 in (2014).
The August mean against the 1991-2020 normal of 72.8°F: 2021 74.2°F (+1.4), 2022 72.4°F (−0.4), 2023 70.2°F (−2.6), 2024 71.5°F (−1.3), 2025 71.6°F (−1.2), 2026 71.2°F (−1.6). 1 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.2°F | +1.4°F | 3.28 in |
| 2022 | 72.4°F | −0.4°F | 1.81 in |
| 2023 | 70.2°F | −2.6°F | 4.24 in |
| 2024 | 71.5°F | −1.3°F | 3.95 in |
| 2025 | 71.6°F | −1.2°F | 2.85 in |
| 2026 | 71.2°F | −1.6°F | 3.39 in |
Source: records: ACIS, station USW00004846; recent months: ACIS, station USW00004846. Records and recent months use complete months only.
How does August in Valparaiso compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, August normal highs run from 80°F in Angola to 88°F in English; Valparaiso's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.