Richardson weather in August: Richardson, Texas: normal highs, lows, rain and records for August
Richardson in August has a normal high of 95°F and a normal low of 75°F, a daily mean of 85°F, falling from 97°F on the 1st to 92°F by the 31st. Measurable precipitation falls on 5 days in a normal August, 2.48 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 35°C and low of 24°C, 63 mm of precipitation in August.
- NOAA stationRichardson
- Station IDUSC00417588
- Location33.00°N 96.74°W
- Elevation678 ft (207 m)
- From the center3 miles
- Population118,221
- Jan 56° 36°
- Feb 60° 40°
- Mar 69° 48°
- Apr 75° 55°
- May 83° 64°
- Jun 90° 71°
- Jul 94° 75°
- Aug 95° 75°
- Sep 87° 67°
- Oct 78° 56°
- Nov 66° 46°
- Dec 57° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Richardson in August?
The normal high is 95°F and the normal low 75°F, for a daily mean of 84.7°F. August is 0.1°F cooler than July and 7.5°F warmer than September. August is the 2nd warmest month of the year in Richardson and the 11th wettest. Across the month the normal high falls 5°F, from 97°F on August 1 to 92°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 82°F and 87°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 20%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 97°F | 76°F | 16% | 11% |
| August 8 | 96°F | 76°F | 17% | 12% |
| August 15 | 95°F | 75°F | 18% | 12% |
| August 22 | 94°F | 74°F | 19% | 13% |
| August 31 | 92°F | 72°F | 20% | 14% |
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 | 97°F | 76°F | 16% | 11% | 13 h 50 min |
| August 2 | 97°F | 76°F | 16% | 11% | 13 h 50 min |
| August 3 | 97°F | 76°F | 16% | 11% | 13 h 40 min |
| August 4 | 97°F | 76°F | 16% | 11% | 13 h 40 min |
| August 5 | 97°F | 76°F | 16% | 11% | 13 h 40 min |
| August 6 | 97°F | 76°F | 16% | 11% | 13 h 40 min |
| August 7 | 96°F | 76°F | 17% | 11% | 13 h 40 min |
| August 8 | 96°F | 76°F | 17% | 12% | 13 h 40 min |
| August 9 | 96°F | 76°F | 17% | 12% | 13 h 30 min |
| August 10 | 96°F | 76°F | 17% | 12% | 13 h 30 min |
| August 11 | 96°F | 76°F | 17% | 12% | 13 h 30 min |
| August 12 | 96°F | 76°F | 18% | 12% | 13 h 30 min |
| August 13 | 96°F | 75°F | 18% | 12% | 13 h 30 min |
| August 14 | 96°F | 75°F | 18% | 12% | 13 h 30 min |
| August 15 | 95°F | 75°F | 18% | 12% | 13 h 20 min |
| August 16 | 95°F | 75°F | 18% | 13% | 13 h 20 min |
| August 17 | 95°F | 75°F | 18% | 13% | 13 h 20 min |
| August 18 | 95°F | 74°F | 18% | 13% | 13 h 20 min |
| August 19 | 95°F | 74°F | 19% | 13% | 13 h 20 min |
| August 20 | 94°F | 74°F | 19% | 13% | 13 h 20 min |
| August 21 | 94°F | 74°F | 19% | 13% | 13 h 10 min |
| August 22 | 94°F | 74°F | 19% | 13% | 13 h 10 min |
| August 23 | 94°F | 73°F | 19% | 13% | 13 h 10 min |
| August 24 | 93°F | 73°F | 19% | 13% | 13 h 10 min |
| August 25 | 93°F | 73°F | 19% | 13% | 13 h 10 min |
| August 26 | 93°F | 73°F | 19% | 13% | 13 h |
| August 27 | 93°F | 73°F | 20% | 13% | 13 h |
| August 28 | 92°F | 72°F | 20% | 13% | 13 h |
| August 29 | 92°F | 72°F | 20% | 14% | 13 h |
| August 30 | 92°F | 72°F | 20% | 14% | 13 h |
| August 31 | 92°F | 72°F | 20% | 14% | 12 h 50 min |
- Normal high
- 95°FAugust average
- Normal low
- 75°FAugust average
- Precipitation
- 2.48 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 27
- Daylight
- 13 h 50 min to 12 h 50 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00417588; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Richardson in August?
On a given August day the chance of 0.01 inch or more is 18% on average, highest around August 31 (20%). In all, 2.48 in falls on 5 days of a normal August, 1 of them with an inch or more.
In a normal August in Richardson, 27 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00417588.
What are the records for August in Richardson?
The August mean against the 1991-2020 normal of 84.7°F: 2021 83.2°F (−1.5), 2022 85.2°F (+0.5), 2023 91.5°F (+6.8), 2024 88.8°F (+4.1), 2025 85.0°F (+0.3), 2026 90.7°F (+6.0). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 83.2°F | −1.5°F | 4.80 in |
| 2022 | 85.2°F | +0.5°F | 5.72 in |
| 2023 | 91.5°F | +6.8°F | 0.12 in |
| 2024 | 88.8°F | +4.1°F | 0.00 in |
| 2025 | 85.0°F | +0.3°F | 5.18 in |
| 2026 | 90.7°F | +6.0°F | 0.30 in |
Source: recent months: ACIS, station USC00417588. Records and recent months use complete months only.
How does August in Richardson compare across Texas?
Across the 321 places PlainClimate covers in Texas, August normal highs run from 87°F in Marfa to 101°F in Del Rio; Richardson's is 95°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.