Richardson weather in October: Richardson, Texas: normal highs, lows, rain and records for October
Richardson in October has a normal high of 78°F and a normal low of 56°F, a daily mean of 67°F, falling from 83°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 8 days in a normal October, 5.26 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 13°C, 134 mm of precipitation in October.
- 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 October?
The normal high is 78°F and the normal low 56°F, for a daily mean of 66.8°F. October is 10.4°F cooler than September and 10.9°F warmer than November. October is the 6th warmest month of the year in Richardson and the wettest. Across the month the normal high falls 11°F, from 83°F on October 1 to 72°F on October 31. From one year to the next October's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 65°F and 69°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 25%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 83°F | 62°F | 20% | 14% |
| October 8 | 81°F | 59°F | 22% | 16% |
| October 15 | 78°F | 57°F | 24% | 17% |
| October 22 | 75°F | 54°F | 25% | 18% |
| October 31 | 72°F | 50°F | 25% | 18% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 83°F | 62°F | 20% | 14% | 11 h 50 min |
| October 2 | 83°F | 62°F | 21% | 15% | 11 h 50 min |
| October 3 | 82°F | 61°F | 21% | 15% | 11 h 50 min |
| October 4 | 82°F | 61°F | 21% | 15% | 11 h 50 min |
| October 5 | 82°F | 61°F | 22% | 15% | 11 h 40 min |
| October 6 | 81°F | 60°F | 22% | 15% | 11 h 40 min |
| October 7 | 81°F | 60°F | 22% | 16% | 11 h 40 min |
| October 8 | 81°F | 59°F | 22% | 16% | 11 h 40 min |
| October 9 | 80°F | 59°F | 23% | 16% | 11 h 40 min |
| October 10 | 80°F | 59°F | 23% | 16% | 11 h 30 min |
| October 11 | 80°F | 58°F | 23% | 16% | 11 h 30 min |
| October 12 | 79°F | 58°F | 23% | 17% | 11 h 30 min |
| October 13 | 79°F | 57°F | 24% | 17% | 11 h 30 min |
| October 14 | 78°F | 57°F | 24% | 17% | 11 h 30 min |
| October 15 | 78°F | 57°F | 24% | 17% | 11 h 30 min |
| October 16 | 78°F | 56°F | 24% | 17% | 11 h 20 min |
| October 17 | 77°F | 56°F | 24% | 17% | 11 h 20 min |
| October 18 | 77°F | 55°F | 24% | 18% | 11 h 20 min |
| October 19 | 76°F | 55°F | 25% | 18% | 11 h 20 min |
| October 20 | 76°F | 54°F | 25% | 18% | 11 h 20 min |
| October 21 | 76°F | 54°F | 25% | 18% | 11 h 10 min |
| October 22 | 75°F | 54°F | 25% | 18% | 11 h 10 min |
| October 23 | 75°F | 53°F | 25% | 18% | 11 h 10 min |
| October 24 | 74°F | 53°F | 25% | 18% | 11 h 10 min |
| October 25 | 74°F | 53°F | 25% | 18% | 11 h 10 min |
| October 26 | 74°F | 52°F | 25% | 18% | 11 h |
| October 27 | 73°F | 52°F | 25% | 18% | 11 h |
| October 28 | 73°F | 51°F | 25% | 18% | 11 h |
| October 29 | 72°F | 51°F | 25% | 18% | 11 h |
| October 30 | 72°F | 51°F | 25% | 18% | 11 h |
| October 31 | 72°F | 50°F | 25% | 18% | 10 h 50 min |
- Normal high
- 78°FOctober average
- Normal low
- 56°FOctober average
- Precipitation
- 5.26 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 11 h 50 min to 10 h 50 minOctober 1 to October 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 15
- Sunshine
- 80%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 October?
On a given October day the chance of 0.01 inch or more is 24% on average, highest around October 26 (25%). In all, 5.26 in falls on 8 days of a normal October, 2 of them with an inch or more.
In a normal October in Richardson, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00417588.
What are the records for October in Richardson?
The October mean against the 1991-2020 normal of 66.8°F: 2021 70.6°F (+3.8), 2022 67.0°F (+0.3), 2023 67.7°F (+0.9), 2024 75.4°F (+8.6), 2025 72.8°F (+6.0). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.6°F | +3.8°F | 3.94 in |
| 2022 | 67.0°F | +0.3°F | 6.37 in |
| 2023 | 67.7°F | +0.9°F | 8.46 in |
| 2024 | 75.4°F | +8.6°F | 0.76 in |
| 2025 | 72.8°F | +6.0°F | 2.51 in |
Source: recent months: ACIS, station USC00417588. Records and recent months use complete months only.
How does October in Richardson compare across Texas?
Across the 321 places PlainClimate covers in Texas, October normal highs run from 71°F in Channing to 89°F in McAllen; Richardson's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.