Climateby Month

McAllen, TX weather in October

NOAA 1991-2020 normals and daily records · McAllen all year

Expect hot, oppressively humid, mostly dry weather in McAllen in October, with highs near 89°F and lows near 69°F. Rain falls on about 6 days.

Normal high
89°F
Normal low
69°F
Wet days
6
2.1 in total
Muggy days
19
dew point 65°F+

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high92°F85°F
Normal low73°F64°F
Chance of a wet day21%18%
Sunrise / sunset7:25 am / 7:19 pm7:41 am / 6:51 pm
Daylight11.9 h11.2 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

  1. 6 am69°Fdew point 65°F
  2. 9 am76°Fdew point 66°F
  3. Noon84°Fdew point 64°F
  4. 3 pm86°Fdew point 63°F
  5. 6 pm81°Fdew point 64°F
  6. 9 pm75°Fdew point 66°F

NOAA hourly normals (local standard time) from Mcallen Miller Intl Airport (2 mi away); average wind 9 mph; clear or few clouds in 63% of daytime hours, mostly cloudy or overcast in 26%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more16 of 31
  • Muggy daysdaily mean dew point 65°F or more19 of 31
  • Wet daysat least 0.01 in of rain or melted snow6 of 31
  • Notable rainat least 0.10 in3 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per October, counted from daily records for each year 1991-2020.

Rain in October

Normal precipitation is 2.1 in; a dry October brings about 0.7 in and a wet one about 2.7 in (25th and 75th percentiles). About 1 day brings half an inch or more, and about 1 an inch or more.

How October varies from year to year

  • Warmest October, 1991-20202016: average high 95°F
  • Coolest October1998: average high 85°F
  • Wettest October2002: 7.5 in
  • Driest October2010: no measurable precipitation
  • Highest reading104°F (October 18, 2012)
  • Lowest reading41°F (October 31, 1993)

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

SeptemberOctoberNovember
Normal high94°F89°F80°F
Normal low76°F69°F60°F
Wet days865
Comfortable days029
Daylight12.3 h11.5 h10.9 h

Highs change by -5°F from September and -9°F into November.

Nearby alternatives in October

How McAllen ranks in October

  • Normal high5th warmest of 378 cities; 1st of 38 in Texas
  • Wet days103rd driest of 378
  • Comfortable days316th most of 340

What to pack for McAllen in October

  • Light, breathable clothing – highs near 89°F and about 19 muggy days

Heating and cooling

October has 4 heating degree days and 438 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.

Questions

How hot is McAllen in October?

The normal high is 89°F and the normal low is 69°F. From 1991 to 2020 the hottest October reading was 104°F (October 18, 2012).

Does it rain a lot in McAllen in October?

About 6 days in October have at least 0.01 in of precipitation, and the normal total is 2.1 in. The wettest October in 1991-2020 was in 2002 (7.5 in); the driest was in 2010, with no measurable precipitation.

Is October a good time to visit McAllen?

October ranks 7th of 12 months on our comfort score for McAllen (41 out of 100). It has about 2 comfortable days and about 16 days at 90°F or hotter. The best months are January and December.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Mcallen Miller Intl Airport (USW00012959), 2.0 mi SW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Mcallen (USC00415701), 1.5 mi WSW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Mc Allen Miller Intl Arpt (722506-12959), 1.9 mi SSW of the city center, 99 ft . Hourly observations, 1991-2020.