October Weather in St. Petersburg, United States

Last updated: February 24, 2025

October in St. Petersburg, United States showcases a delightful blend of warmth and variability, with maximum temperatures reaching a pleasant 31°C (87°F) and an average of 26°C (79°F). As the month unfolds, the city experiences a refreshing dip at night with minimum temperatures around 15°C (59°F). While the charm of autumn settles in, residents and visitors can expect about 67 mm (2.6 in) of precipitation over 10 days, contributing to the lush landscapes. With an average humidity of 79%, the air carries a gentle softness, perfect for enjoying the beautiful fall scenery and outdoor activities.

October Temperature in St. Petersburg

In October, St. Petersburg, United States, experiences a transition into the cooler months, with temperatures that reflect the comfortable balance of early autumn. The minimum temperature settles at a mild 15°C (59°F), while the average climbs to 26°C (79°F), peaking at a warm 31°C (87°F). This month showcases a noticeable drop from the summer highs, yet still offers plenty of warm days, making it a delightful time for outdoor activities. As the summer warmth gradually yields to cooler evenings, October provides a beautiful setting for both relaxation and exploration, inviting locals and visitors alike to enjoy its vibrant atmosphere.

October Weather in St. Petersburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in St. Petersburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec626568737781828281787065
Data source: Temperature data for St. Petersburg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in St. Petersburg

In October, St. Petersburg experiences a notable transition in its precipitation pattern, receiving 67 mm (2.6 in) of rain over 10 days. This marks a decrease from the heavy downpours of the summer months, particularly July and August, which average over 200 mm each. The shift towards milder rainfall is part of a steady decline in precipitation as the year progresses, following the wettest months of June (174 mm) and July (204 mm). Compared to September, which sees 143 mm, October's rainfall is a gentle tapering off. As the air cools, the city welcomes autumn's embrace, with a balanced mix of sunny and rainy days, setting the stage for the drier, cooler months ahead.

October Precipitation Trends in St. Petersburg

The chart displays monthly precipitation patterns in St. Petersburg, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec40502060105174204219143674666
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in St. Petersburg

In October, St. Petersburg experiences a slight increase in humidity, averaging around 79%, up from 78% in September. This rise reflects the city's transition into the more humid months that follow, with November and December nearing the peak levels of the year. Throughout the year, humidity levels tend to decrease from the winter months of January and February, both at 82%, steadily dipping to a low of 74% during the summer in July and August. As fall sets in, the humidity begins to climb again, suggesting a pattern of returning moisture as the region prepares for the wetter winter months.

October Average Humidity in St. Petersburg

This chart illustrates the average monthly humidity levels in St. Petersburg, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%79%78%76%75%74%75%78%80%82%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in St. Petersburg

As October unfolds in St. Petersburg, the UV Index registers at 9, placing it in the very high exposure category. This marks a slight decrease from the extreme levels observed during the summer months, yet it remains a reminder to practice sun safety. With a burn time of just 15 minutes, residents and visitors alike should still take precautions when enjoying the outdoors. This trend of decreasing UV levels is consistent as the year transitions into cooler months, yet, October maintains a notably high UV Index compared to earlier winter months. Staying informed about the sun’s intensity is essential; for detailed insights, visit the St. Petersburg UV Index.

Maximum UV Index Levels in St. Petersburg for October

The chart shows the monthly maximum UV Index (UVI) for St. Petersburg in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121111975
Data source: St. Petersburg October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in St. Petersburg

As October rolls in, St. Petersburg enjoys a pleasant 300 hours of sunshine, marking a slight dip from the vibrant highs of summer, yet still abundant enough to bask in the golden glow of autumn. This month continues a trend of generous sunlight that's characteristic of the earlier months, peaking in May with 335 hours. Interestingly, October's sunshine amount is closely aligned with the gradual slide toward winter, which typically brings less sunlight. The transition into November shows a decline to 279 hours, but overall, the sunshine pattern throughout the year reflects a warm embrace of nature, highlighting St. Petersburg as a delightful destination for sun-seekers even as the seasons change.

Monthly Sunshine Duration in St. Petersburg: October Highlighted

The October sunshine duration represents the total number of hours St. Petersburg experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec216h265h321h319h335h303h319h316h311h300h279h269h
Data source: St. Petersburg October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in St. Petersburg During October

As October rolls into St. Petersburg, the chance of sunny skies stands at a promising 51%, keeping pace with the sunnier months of spring and early fall. This month experiences a notable shift from the sweltering summer, where the sun seems elusive, with July and August sinking to just 17%. Following a somewhat cloudy September at 33%, October brightens the outlook, providing a vibrant backdrop for outdoor activities. Interestingly, as the year transitions towards winter, November and December also maintain relatively high probabilities of sunshine, at 55% and 57% respectively. Ultimately, October emerges as a delightful compromise between lingering warmth and the refreshing arrival of autumn.

Percentage of Sunny Days in October in St. Petersburg

The chart illustrates the percentage of sunny days in St. Petersburg throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often St. Petersburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%51%54%63%59%18%23%17%33%51%55%57%
Data source: St. Petersburg October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in St. Petersburg in October

As the months transition from summer to autumn in St. Petersburg, United States, daylight duration begins to wane, reflecting the yearly shift in seasons. Starting the year with a bright 10 hours in January, the days progressively lengthen to reach a peak of 13 hours from May through August, offering ample time for outdoor activities under the sun. However, by October, daylight decreases to 11 hours, marking the beginning of the retreat into shorter days that Will continue into winter, where the sun graces the horizon for just 10 hours again by November and December. This rhythmic ebb and flow of sunlight not only influences daily life but also prepares the community for the cozy embrace of the winter months ahead.

Average Daylight Hours in St. Petersburg for October

The chart illustrates the variation in daylight duration in St. Petersburg throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 35m11h 12m12h12h 50m13h 31m13h 51m13h 40m13h 4m12h 16m11h 27m10h 45m10h 23m
Data source: St. Petersburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in St. Petersburg

As October rolls into St. Petersburg, the wind begins to pick up slightly, averaging 4.6 m/s (10 mph), a refreshing change from the calmer breezes of September. This increase suggests the subtle transition of seasons, as the warm summer months give way to the crispness of fall. Interestingly, October’s winds are just a notch below the steady strength seen in the earlier months of the year, maintaining a consistent pattern of breezy days that engage outdoor enthusiasts. Overall, while the winds in St. Petersburg are relatively mild, the autumn air carries with it a hint of excitement, invigorating the landscape and inviting residents to embrace the beauty of the season.

Average October Wind Speed in St. Petersburg

The chart displays monthly wind speed patterns in St. Petersburg, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.95.34.95.05.04.13.84.23.44.6 m/s5.03.6
Data source: St. Petersburg October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in St. Petersburg Compares to Other Months

The weather in St. Petersburg changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in St. Petersburg and find detailed weather information for every month.

October weather in St. Petersburg features warm temperatures, with a minimum of 15°C (59°F), an average of 26°C (79°F), and a maximum of 31°C (87°F). The month also experiences an average of 10 days of precipitation, totaling 67 mm (2.6 in), while humidity levels hover around 79%. In contrast, January brings a much cooler climate, with minimum temperatures dropping to 3°C (37°F), an average of 17°C (62°F), and a maximum of 24°C (75°F). Precipitation is less frequent in January, falling over just 4 days and totaling 40 mm (1.6 in), with humidity slightly higher at 82%. For a more detailed overview, check out St. Petersburg weather in January.

October and February present distinctly different weather patterns. In October, temperatures range from a minimum of 15°C (59°F) to a maximum of 31°C (87°F), averaging around 26°C (79°F), with a higher incidence of rainfall totaling 67 mm (2.6 in) across approximately 10 days. The humidity in October sits at a comfortable 79%, making for a warm and humid month. In contrast, February features milder temperatures, with a minimum of 9°C (48°F) and a maximum of 25°C (78°F), averaging 19°C (66°F). Precipitation is lower in February, at 50 mm (2.0 in) over just 5 days, alongside a slightly elevated humidity level of 82%. For a more detailed look at the weather conditions, you can check out St. Petersburg weather in February.

In October, St. Petersburg experiences warmer weather with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (87°F), accompanied by significant precipitation of 67 mm (2.6 in) over about 10 days. The humidity remains high at 79%, contributing to the muggy feel typical of the region during this time. In contrast, March sees cooler temperatures, with an average range of 8°C (46°F) to 26°C (80°F) and considerably less rainfall of only 20 mm (0.8 in) over just 3 days. Despite the drop in temperature and precipitation, the humidity remains consistent at 79%, making both months equally humid but with distinct temperature profiles. For more detailed information on March weather, check St. Petersburg weather in March.

When comparing the weather in October and April, October tends to be slightly warmer, with average temperatures reaching 26°C (79°F) and maximums around 31°C (87°F), while April has an average of 23°C (73°F) and maximums peaking at 28°C (83°F). Both months see moderate precipitation, with October receiving 67 mm (2.6 in) over approximately 10 days, compared to April's 60 mm (2.4 in) over 7 days. Humidity levels remain high in both months, with October at 79% and April slightly lower at 78%. For more detailed insights, check out St. Petersburg weather in April.

In October, temperatures begin to cool slightly with a minimum of 15°C (59°F) and an average high of 26°C (79°F), while May tends to be warmer, starting at a minimum of 18°C (64°F) and averaging a high of 25°C (77°F). Both months experience similar maximum temperatures, peaking at 31°C (87°F) in October and 30°C (87°F) in May. However, October sees less precipitation at 67 mm (2.6 in) over approximately 10 days, compared to May's higher total of 105 mm (4.1 in) within the same number of rain days. Humidity levels are comparable, with October at 79% and May slightly lower at 76%. For a detailed overview of May's weather, you can visit St. Petersburg weather in May.

In October, temperatures in St. Petersburg typically range from a minimum of 15°C (59°F) to a maximum of 31°C (87°F), with an average of 26°C (79°F). In contrast, June tends to be warmer, with temperatures starting at a minimum of 23°C (74°F) and peaking at 32°C (89°F), averaging 27°C (81°F). October experiences less rainfall, accumulating about 67 mm (2.6 in) over roughly 10 days, while June sees significantly more precipitation at 174 mm (6.8 in) over 19 days. Humidity levels are slightly higher in October at 79%, compared to 75% in June, making for a muggy atmosphere as summer begins to transition into fall. For more detailed information, you can check St. Petersburg weather in June.

When comparing the weather in October and July, October presents a more moderate climate. While July boasts higher minimum and average temperatures, with lows around 25°C (77°F) and an average of 28°C (82°F), October's temperatures range from a minimum of 15°C (59°F) to an average of 26°C (79°F). July also sees significantly more rainfall, with a total of 204 mm (8.0 in) over 25 days compared to October's 67 mm (2.6 in) across 10 days. Despite slightly higher humidity in October at 79%, July maintains a comfortable 74%, making July feel warmer and wetter overall. For a more detailed look at July weather, visit St. Petersburg weather in July.

In comparing the weather of October and August, October enjoys a more moderate temperature range with a minimum of 15°C (59°F) and an average of 26°C (79°F), while August features warmer conditions with a minimum of 25°C (77°F) and an average of 28°C (83°F). August experiences significantly higher precipitation, totaling 219 mm (8.6 in) over 25 days, compared to October's 67 mm (2.6 in) over just 10 days. Although October is slightly more humid at 79%, it offers a more comfortable atmosphere compared to the heat and humidity of August, which stands at 74%. For a detailed look at August weather, check out St. Petersburg weather in August.

In comparing the weather of October to September, October tends to be slightly cooler, with a minimum temperature of 15°C (59°F) and an average of 26°C (79°F), compared to September's minimum of 23°C (74°F) and average of 27°C (82°F). Despite October's lower temperatures, it sees less precipitation overall, accumulating 67 mm (2.6 in) over 10 days, while September experiences significantly more rainfall at 143 mm (5.6 in) over 18 days. Humidity remains quite similar between the two months, with October at 79% and September at 78%. For more details on September's weather specifics, visit St. Petersburg weather in September.

October generally experiences warmer temperatures compared to November, with averages around 26°C (79°F) and a maximum of 31°C (87°F). In contrast, November sees cooler averages of 21°C (70°F), with a maximum of 28°C (83°F). While October is marked by higher precipitation levels of 67 mm (2.6 in) over approximately 10 days, November brings a decrease in rainfall, with 46 mm (1.8 in) over just 6 days. Humidity levels remain relatively high in both months, with October at 79% and November slightly higher at 82%. For more detailed information, you can check St. Petersburg weather in November.

October and December present contrasting weather patterns. In October, the temperatures are warmer, with average highs reaching up to 31°C (87°F) and a notable humidity level of 79%. The month experiences about 67 mm (2.6 in) of precipitation over 10 days. In contrast, December brings cooler temperatures, with averages around 19°C (66°F) and maximums of 25°C (77°F). While precipitation is slightly lower at 66 mm (2.6 in) over just 6 days, the humidity increases to 84%. For those interested in more details about December's weather, you can visit St. Petersburg weather in December.

Compare St. Petersburg's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in St. Petersburg

As October unfolds in St. Petersburg, the weather showcases a delightful transition from the sweltering summer months to a milder autumn perfection. With average temperatures settling around 26°C (79°F), residents and visitors alike revel in a warm yet comfortable climate that's markedly different from the scorching highs of July and August. While the humidity remains notable at 79%, the precipitation sees a shift, bringing about 10 days of rain and a total of 67 mm, which refreshes the landscape without the torrential downpours typical of summer. This blend of warm days and balmy evenings makes October an ideal time to explore the city's charms. For more insights into the weather patterns throughout the year, visit St. Petersburg Climate.