St. Petersburg weather in October: St. Petersburg, Florida: normal highs, lows, rain and records for October
St. Petersburg in October has a normal high of 84°F and a normal low of 70°F, a daily mean of 77°F, falling from 87°F on the 1st to 81°F by the 31st. Measurable precipitation falls on 6 days in a normal October, 2.49 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 21°C, 63 mm of precipitation in October.
- NOAA stationSt Petersburg International Airport
- Station IDUSW00012873
- Location27.91°N 82.69°W
- Elevation11 ft (3 m)
- From the center11 miles
- Population267,102
- Jan 71° 53°
- Feb 73° 55°
- Mar 77° 59°
- Apr 82° 64°
- May 87° 70°
- Jun 90° 75°
- Jul 90° 76°
- Aug 91° 76°
- Sep 89° 75°
- Oct 84° 70°
- Nov 77° 61°
- Dec 73° 56°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is St. Petersburg in October?
The normal high is 84°F and the normal low 70°F, for a daily mean of 76.9°F. October is 5.2°F cooler than September and 7.9°F warmer than November. October is the 6th warmest month of the year in St. Petersburg and the 9th wettest. Across the month the normal high falls 6°F, from 87°F on October 1 to 81°F on October 31. From one year to the next October's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 75°F and 79°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 87°F | 74°F | 32% | 19% |
| October 8 | 86°F | 72°F | 27% | 15% |
| October 15 | 85°F | 70°F | 23% | 13% |
| October 22 | 83°F | 68°F | 21% | 11% |
| October 31 | 81°F | 65°F | 19% | 9% |
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 | 87°F | 74°F | 32% | 19% | 12 h |
| October 2 | 87°F | 73°F | 31% | 18% | 11 h 50 min |
| October 3 | 87°F | 73°F | 30% | 18% | 11 h 50 min |
| October 4 | 87°F | 73°F | 30% | 17% | 11 h 50 min |
| October 5 | 87°F | 73°F | 29% | 17% | 11 h 50 min |
| October 6 | 87°F | 73°F | 28% | 16% | 11 h 50 min |
| October 7 | 86°F | 72°F | 28% | 16% | 11 h 50 min |
| October 8 | 86°F | 72°F | 27% | 15% | 11 h 40 min |
| October 9 | 86°F | 72°F | 26% | 15% | 11 h 40 min |
| October 10 | 86°F | 72°F | 26% | 15% | 11 h 40 min |
| October 11 | 86°F | 71°F | 25% | 14% | 11 h 40 min |
| October 12 | 85°F | 71°F | 25% | 14% | 11 h 40 min |
| October 13 | 85°F | 71°F | 24% | 13% | 11 h 40 min |
| October 14 | 85°F | 71°F | 24% | 13% | 11 h 30 min |
| October 15 | 85°F | 70°F | 23% | 13% | 11 h 30 min |
| October 16 | 84°F | 70°F | 23% | 12% | 11 h 30 min |
| October 17 | 84°F | 70°F | 22% | 12% | 11 h 30 min |
| October 18 | 84°F | 69°F | 22% | 12% | 11 h 30 min |
| October 19 | 84°F | 69°F | 21% | 11% | 11 h 30 min |
| October 20 | 83°F | 69°F | 21% | 11% | 11 h 20 min |
| October 21 | 83°F | 68°F | 21% | 11% | 11 h 20 min |
| October 22 | 83°F | 68°F | 21% | 11% | 11 h 20 min |
| October 23 | 83°F | 68°F | 20% | 10% | 11 h 20 min |
| October 24 | 82°F | 67°F | 20% | 10% | 11 h 20 min |
| October 25 | 82°F | 67°F | 20% | 10% | 11 h 20 min |
| October 26 | 82°F | 67°F | 20% | 10% | 11 h 20 min |
| October 27 | 82°F | 66°F | 19% | 10% | 11 h 10 min |
| October 28 | 81°F | 66°F | 19% | 10% | 11 h 10 min |
| October 29 | 81°F | 66°F | 19% | 9% | 11 h 10 min |
| October 30 | 81°F | 65°F | 19% | 9% | 11 h 10 min |
| October 31 | 81°F | 65°F | 19% | 9% | 11 h 10 min |
- Normal high
- 84°FOctober average
- Normal low
- 70°FOctober average
- Precipitation
- 2.49 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 12 h to 11 h 10 minOctober 1 to October 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 86%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012873; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in St. Petersburg in October?
On a given October day the chance of 0.01 inch or more is 24% on average, highest around October 1 (32%). In all, 2.49 in falls on 6 days of a normal October, 1 of them with an inch or more.
In a normal October in St. Petersburg, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012873.
How humid and windy is St. Petersburg in October?
At 3 p.m. the normal temperature is 79°F with 55% relative humidity and a dew point of 62°F; at 6 a.m. it is 67°F with 84% humidity. The wind averages 8.9 mph, most often from the north in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 67°F | 62°F | 84% | 8.3 mph | 72% |
| 9 a.m. | 71°F | 63°F | 75% | 9.3 mph | 69% |
| noon | 78°F | 63°F | 59% | 9.8 mph | 66% |
| 3 p.m. | 79°F | 62°F | 55% | 10.1 mph | 65% |
| 6 p.m. | 74°F | 63°F | 68% | 9.3 mph | 72% |
| 9 p.m. | 71°F | 63°F | 76% | 8.6 mph | 76% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012873. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in St. Petersburg?
The warmest October temperature on this station's record (since 1998) is 93°F, on October 3, 2005; the coldest is 49°F, on October 29, 2008. The wettest October brought 11.68 in (2024).
The October mean against the 1991-2020 normal of 76.9°F: 2021 79.8°F (+2.9), 2022 75.8°F (−1.1), 2023 76.6°F (−0.3), 2025 78.4°F (+1.5). 2 of 4 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 79.8°F | +2.9°F | 1.21 in |
| 2022 | 75.8°F | −1.1°F | 1.55 in |
| 2023 | 76.6°F | −0.3°F | 1.01 in |
| 2025 | 78.4°F | +1.5°F | 1.11 in |
Source: records: ACIS, station USW00012873; recent months: ACIS, station USW00012873. Records and recent months use complete months only.
How does October in St. Petersburg compare across Florida?
Across the 106 places PlainClimate covers in Florida, October normal highs run from 79°F in Lake City to 88°F in Homestead; St. Petersburg's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- St. Petersburg in September89°F by day, 75°F at night
- St. Petersburg in November77°F by day, 61°F at night
- St. Petersburg through the yearEvery month, frost dates, records and recent years
- Florida in OctoberThe statewide normal and the warmest and coolest places
- Homestead: Florida's warmest Octobernormal high 88°F