Climate averages 1991–2020
St. Petersburg weather
in October.
A warm, moderately wet month: the 6th warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in St. Petersburg: daytime highs average 27.0°C and nights cool to about 21.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 63 mm of rain on roughly 7 days, which makes October a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 31 min on an average October day.
The nearest other city in this atlas is Largo (19 km away). In October its highs average 26.3°C, 0.7°C cooler than St. Petersburg, with 59 mm of rain.
Among the 498 cities listed in the United States, St. Petersburg ranks joint 52nd of 498 for the warmest October highs and 185th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; St. Petersburg is 5.6°C warmer than that mean.
From October to November, average highs fall by 3.6°C to 23.4°C, and monthly rainfall falls from 63 mm to 42 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
St. Petersburg climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.2°C13.3°C | 13.3°C | 64 | 6.3 | 10.611 h |
| February | 20.1°C14.3°C | 14.3°C | 49 | 5.8 | 11.211 h |
| March | 22.1°C16.2°C | 16.2°C | 57 | 6.0 | 12.012 h |
| April | 25.0°C19.2°C | 19.2°C | 44 | 5.1 | 12.813 h |
| May | 27.9°C22.1°C | 22.1°C | 53 | 6.7 | 13.514 h |
| June | 29.4°C24.7°C | 24.7°C | 136 | 16.1 | 13.914 h |
| July | 29.8°C25.5°C | 25.5°C | 135 | 20.0 | 13.714 h |
| August | 29.9°C25.6°C | 25.6°C | 146 | 21.2 | 13.113 h |
| September | 29.2°C24.7°C | 24.7°C | 139 | 15.8 | 12.312 h |
| October, selected | 27.0°C21.8°C | 21.8°C | 63 | 7.1 | 11.512 h |
| November | 23.4°C17.8°C | 17.8°C | 42 | 4.2 | 10.811 h |
| December | 20.8°C15.1°C | 15.1°C | 53 | 5.6 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Largo in OctoberUnited States · 19 kmHigh 26.3°C · Low 22.3°C · 59 mm rain
- Clearwater in OctoberUnited States · 25 kmHigh 26.2°C · Low 22.2°C · 59 mm rain
- Town 'n' Country in OctoberUnited States · 28 kmHigh 27.2°C · Low 21.0°C · 58 mm rain
- Tampa in OctoberUnited States · 29 kmHigh 27.8°C · Low 20.1°C · 58 mm rain
- Brandon in OctoberUnited States · 43 kmHigh 28.1°C · Low 20.1°C · 52 mm rain
- Lakeland in OctoberUnited States · 78 kmHigh 27.9°C · Low 19.8°C · 56 mm rain
- Spring Hill in OctoberUnited States · 80 kmHigh 27.6°C · Low 19.7°C · 62 mm rain
- Fort Myers in OctoberUnited States · 152 kmHigh 28.7°C · Low 21.2°C · 74 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for St. Petersburg) is explained once on the St. Petersburg year overview and on the Sources, method and limits page.