St. George weather in October: St. George, Utah: normal highs, lows, rain and records for October
St. George in October has a normal high of 79°F and a normal low of 47°F, a daily mean of 63°F, falling from 86°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 3 days in a normal October, 0.77 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 8°C, 20 mm of precipitation in October.
- NOAA stationSt George
- Station IDUSC00427516
- Location37.12°N 113.61°W
- Elevation2,857 ft (871 m)
- Population106,288
- Jan 54° 28°
- Feb 59° 32°
- Mar 68° 39°
- Apr 75° 46°
- May 85° 56°
- Jun 96° 65°
- Jul 102° 72°
- Aug 100° 70°
- Sep 92° 61°
- Oct 79° 47°
- Nov 64° 35°
- Dec 53° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. George in October?
The normal high is 79°F and the normal low 47°F, for a daily mean of 63.0°F. October is 13.5°F cooler than September and 13.8°F warmer than November. October is the 6th warmest month of the year in St. George and the 6th wettest. Across the month the normal high falls 14°F, from 86°F on October 1 to 72°F on October 31. From one year to the next October's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 60°F and 66°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 11%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 86°F | 54°F | 8% | 4% |
| October 8 | 83°F | 51°F | 9% | 5% |
| October 15 | 79°F | 48°F | 9% | 5% |
| October 22 | 76°F | 45°F | 10% | 6% |
| October 31 | 72°F | 41°F | 11% | 6% |
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 | 86°F | 54°F | 8% | 4% | 11 h 50 min |
| October 2 | 86°F | 54°F | 8% | 4% | 11 h 50 min |
| October 3 | 85°F | 53°F | 8% | 5% | 11 h 50 min |
| October 4 | 85°F | 53°F | 8% | 5% | 11 h 40 min |
| October 5 | 84°F | 52°F | 8% | 5% | 11 h 40 min |
| October 6 | 84°F | 52°F | 8% | 5% | 11 h 40 min |
| October 7 | 83°F | 51°F | 9% | 5% | 11 h 40 min |
| October 8 | 83°F | 51°F | 9% | 5% | 11 h 30 min |
| October 9 | 82°F | 50°F | 9% | 5% | 11 h 30 min |
| October 10 | 82°F | 50°F | 9% | 5% | 11 h 30 min |
| October 11 | 81°F | 50°F | 9% | 5% | 11 h 30 min |
| October 12 | 81°F | 49°F | 9% | 5% | 11 h 30 min |
| October 13 | 80°F | 49°F | 9% | 5% | 11 h 20 min |
| October 14 | 80°F | 48°F | 9% | 5% | 11 h 20 min |
| October 15 | 79°F | 48°F | 9% | 5% | 11 h 20 min |
| October 16 | 79°F | 47°F | 9% | 5% | 11 h 20 min |
| October 17 | 78°F | 47°F | 10% | 5% | 11 h 10 min |
| October 18 | 78°F | 46°F | 10% | 5% | 11 h 10 min |
| October 19 | 77°F | 46°F | 10% | 5% | 11 h 10 min |
| October 20 | 77°F | 46°F | 10% | 6% | 11 h 10 min |
| October 21 | 76°F | 45°F | 10% | 6% | 11 h |
| October 22 | 76°F | 45°F | 10% | 6% | 11 h |
| October 23 | 75°F | 44°F | 10% | 6% | 11 h |
| October 24 | 75°F | 44°F | 11% | 6% | 11 h |
| October 25 | 74°F | 43°F | 11% | 6% | 11 h |
| October 26 | 74°F | 43°F | 11% | 6% | 10 h 50 min |
| October 27 | 73°F | 42°F | 11% | 6% | 10 h 50 min |
| October 28 | 73°F | 42°F | 11% | 6% | 10 h 50 min |
| October 29 | 72°F | 42°F | 11% | 6% | 10 h 50 min |
| October 30 | 72°F | 41°F | 11% | 6% | 10 h 40 min |
| October 31 | 72°F | 41°F | 11% | 6% | 10 h 40 min |
- Normal high
- 79°FOctober average
- Normal low
- 47°FOctober average
- Precipitation
- 0.77 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 11 h 50 min to 10 h 40 minOctober 1 to October 31
- Days at 70°F or more
- 27
- Days at 80°F or more
- 17
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00427516; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. George in October?
On a given October day the chance of 0.01 inch or more is 9% on average, highest around October 26 (11%). In all, 0.77 in falls on 3 days of a normal October.
In a normal October in St. George, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00427516.
What are the records for October in St. George?
The warmest October temperature on this station's record (since 1893) is 101°F, on October 2, 2024; the coldest is 20°F, on October 31, 1895. The wettest October brought 3.07 in (1957); the snowiest, 1.3 inches (1971).
The October mean against the 1991-2020 normal of 63.0°F: 2021 61.2°F (−1.8), 2022 66.1°F (+3.1), 2023 65.2°F (+2.2), 2024 69.9°F (+6.9), 2025 65.0°F (+2.0). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.2°F | −1.8°F | 1.26 in |
| 2022 | 66.1°F | +3.1°F | 0.17 in |
| 2023 | 65.2°F | +2.2°F | 0.16 in |
| 2024 | 69.9°F | +6.9°F | 0.09 in |
| 2025 | 65.0°F | +2.0°F | 1.05 in |
Source: records: ACIS, station USC00427516; recent months: ACIS, station USC00427516. Records and recent months use complete months only.
How does October in St. George compare across Utah?
Across the 97 places PlainClimate covers in Utah, October normal highs run from 48°F in Brian Head to 79°F in St. George; St. George's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.