Climateby Month

St. George, UT weather in October

NOAA 1991-2020 normals and daily records · St. George all year

Expect mild, mostly dry weather in St. George in October, with highs near 79°F and lows near 47°F. Rain falls on about 3 days. Good for outdoor plans.

Normal high
79°F
Normal low
47°F
Wet days
3
0.8 in total
Daylight
11.2 h

How October changes from start to finish

Normal values at the start and end of October
October 1October 31
Normal high86°F72°F
Normal low54°F41°F
Chance of a wet day8%11%
Sunrise / sunset7:29 am / 7:18 pm7:57 am / 6:38 pm
Daylight11.8 h10.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)14 of 31
  • Hot dayshigh 90°F or more4 of 31
  • Wet daysat least 0.01 in of rain or melted snow3 of 31
  • Notable rainat least 0.10 in2 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 0.8 in; a dry October brings about 0.01 in and a wet one about 1.1 in (25th and 75th percentiles). About 1 day brings half an inch or more.

How October varies from year to year

  • Warmest October, 1991-20201999: average high 87°F
  • Coolest October2009: average high 74°F
  • Wettest October2018: 1.7 in
  • Driest October1995: no measurable precipitation
  • Highest reading98°F (October 10, 1996)
  • Lowest reading24°F (October 31, 2019)

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 high92°F79°F64°F
Normal low61°F47°F35°F
Wet days233
Comfortable days11415
Daylight12.4 h11.2 h10.2 h

Highs change by -13°F from September and -15°F into November.

Nearby alternatives in October

How St. George ranks in October

  • Normal high114th warmest of 378 cities; 1st of 7 in Utah
  • Wet days65th driest of 378

What to pack for St. George in October

  • Layers – afternoons near 79°F but nights near 47°F

Heating and cooling

October has 121 heating degree days and 61 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is St. George in October?

The normal high is 79°F and the normal low is 47°F. From 1991 to 2020 the hottest October reading was 98°F (most recently on October 10, 1996).

Does it rain a lot in St. George in October?

About 3 days in October have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest October in 1991-2020 was in 2018 (1.7 in); the driest was in 1995, with no measurable precipitation.

Is October a good time to visit St. George?

October ranks 4th of 12 months on our comfort score for St. George (64 out of 100). It has about 14 comfortable days (judged by temperature only) and about 4 days at 90°F or hotter. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: St George (USC00427516), 1.6 mi NW of the city center, 2,857 ft (161 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).