McKinney, TX weather in October
Expect mild weather with some rain in McKinney in October, with highs near 78°F and lows near 54°F. Rain falls on about 7 days. Good for outdoor plans.
- Normal high
- 78°F
- Normal low
- 54°F
- Wet days
- 7
- 5.0 in total
- Muggy days
- 5
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 84°F | 72°F |
| Normal low | 60°F | 49°F |
| Chance of a wet day | 20% | 23% |
| Sunrise / sunset | 7:20 am / 7:11 pm | 7:43 am / 6:36 pm |
| Daylight | 11.8 h | 10.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical October day
- 6 am60°Fdew point 54°F
- 9 am66°Fdew point 55°F
- Noon74°Fdew point 53°F
- 3 pm77°Fdew point 52°F
- 6 pm72°Fdew point 52°F
- 9 pm67°Fdew point 53°F
NOAA hourly normals (local standard time) from Dallas Ft Worth Airport (31 mi away); average wind 10 mph; clear or few clouds in 46% of daytime hours, mostly cloudy or overcast in 39%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 of 31
- Hot dayshigh 90°F or more3 of 31
- Muggy daysdaily mean dew point 65°F or more5 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain in October
Normal precipitation is 5.0 in; a dry October brings about 1.9 in and a wet one about 7.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How October varies from year to year
- Warmest October, 1991-20202016: average high 82°F
- Coolest October2009: average high 71°F
- Wettest October2018: 12.2 in
- Driest October2005: 0.2 in
- Highest reading97°F (October 6, 2019)
- Lowest reading28°F (October 28, 2008)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 88°F | 78°F | 66°F |
| Normal low | 66°F | 54°F | 44°F |
| Wet days | 6 | 7 | 6 |
| Comfortable days | 2 | 12 | 15 |
| Daylight | 12.4 h | 11.3 h | 10.5 h |
Highs change by -10°F from September and -12°F into November.
Nearby alternatives in October
- Cooler: Oklahoma City, OK165 mi · high 73°F · 8 wet days
How McKinney ranks in October
- Normal high133rd warmest of 378 cities; 35th of 38 in Texas
- Wet days170th driest of 378
- Comfortable days174th most of 340
Heating and cooling
October has 90 heating degree days and 123 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is McKinney in October?
The normal high is 78°F and the normal low is 54°F. From 1991 to 2020 the hottest October reading was 97°F (October 6, 2019).
Does it rain a lot in McKinney in October?
About 7 days in October have at least 0.01 in of precipitation, and the normal total is 5.0 in. The wettest October in 1991-2020 was in 2018 (12.2 in); the driest was in 2005 (0.2 in).
Is October a good time to visit McKinney?
October ranks 4th of 12 months on our comfort score for McKinney (60 out of 100). It has about 12 comfortable days and about 3 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature and frost dates: Mckinney Muni Airport (USW00053914), 1.9 mi SE of the city center, 580 ft (50 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Frisco (USC00413370), 10 mi W of the city center, 747 ft (117 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Dallas Ft Worth Airport (USW00003927), 31 mi SW of the city center, 560 ft (70 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Dallas/Ft Worth International Airport (722590-03927), 31 mi SW of the city center, 544 ft (86 ft lower than the city). Hourly observations, 1991-2020.