October Weather in Constanta, Romania

Last updated: August 27, 2025

In October, Constanta, Romania experiences a mild transition from summer to autumn, with maximum temperatures reaching up to 24°C (76°F) and an average of 16°C (60°F), while nighttime lows drop to a cool 7°C (45°F). This month welcomes about 50 mm (2.0 in) of rain over 5 days, contributing to a humidity level of 77%. As the landscape transforms, visitors can enjoy the crisp air and changing foliage, making it an ideal time for exploration and experiencing the charm of this coastal city.

October Temperature in Constanta

In October, Constanta, Romania transitions into the heart of autumn, offering a pleasant yet crisp climate. With minimum temperatures averaging 7°C (45°F) and delightful highs reaching 24°C (76°F), the month strikes a beautiful balance between summer's warmth and winter's chill. The average temperature settles comfortably around 16°C (60°F), creating an inviting atmosphere for outdoor activities while the leaves begin to change. As the days grow shorter and the nights cooler, October marks a significant shift from the warmer months, allowing residents and visitors alike to enjoy the vibrant autumn scenery against the backdrop of the Black Sea.

October Weather in Constanta: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Constanta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Constanta, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec384043506171757669605144
Data source: Temperature data for Constanta 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 Constanta

In October, Constanta experiences a return to more substantial precipitation, matching January and July with a notable 50 mm (2.0 in) of rainfall over five days. This trend marks a significant shift from the drier summer months, particularly August and September, which recorded only 11 mm (0.4 in) and 21 mm (0.8 in) respectively. As autumn deepens, the weather shifts from the balmy summer, hinting at the transition towards winter's wetter conditions. With November on the horizon bringing an expected 54 mm (2.1 in) of rain across more days, October’s moderate showers serve as a precursor to the increasingly frequent precipitation that characterizes the approaching winter months.

October Precipitation Trends in Constanta

The chart displays monthly precipitation patterns in Constanta, 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. In Constanta, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec504244283067501121505468
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Constanta

In October, Constanta experiences a noticeable shift in humidity levels, with readings averaging 77%. This marks a rise from the drier months of August and September, where humidity dipped to 53% and 61%, respectively. Thus, October serves as a transitional period, where the air begins to grow heavier and more moisture-laden in anticipation of the colder months ahead. Interestingly, while this level is lower than the winter peak in January at 87%, October's humidity is a significant increase from the summer lows, emphasizing the region’s dynamic climate. The steady climb in humidity from the summer months through to November reflects a clear seasonal trend, as Constanta prepares for the wetter, chillier winter months that follow.

October Average Humidity in Constanta

This chart illustrates the average monthly humidity levels in Constanta, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Constanta is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%76%73%68%65%53%61%77%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Constanta

In October, Constanta, Romania experiences a moderate UV Index of 5, indicating an increased need for sun protection. This month's burn time is approximately 30 minutes, offering a window for outdoor activities while still requiring vigilance. As we transition from the high summer UV levels—peaking at 9 in June and July—to the milder conditions of fall, the gradual decrease in intensity signifies a shift in exposure risks. Despite this decline, it's essential to remain aware, as October still poses a noteworthy risk for UV-related harm, reinforcing the importance of safeguarding your skin. For more insights on UV levels throughout the year, visit Constanta UV Index.

Maximum UV Index Levels in Constanta for October

The chart shows the monthly maximum UV Index (UVI) for Constanta 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. In October, the maximum UV index in Constanta typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Constanta 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 Constanta

As the year progresses in Constanta, Romania, October showcases a delightful shift from the vibrant summer months to the crisp autumn air, gradually settling at 292 hours of sunshine. This marks a significant decrease from the sun-soaked days of July and August, which boast the year's highest hours—an impressive 434 and 407 respectively. However, October’s sunshine still offers a warm farewell to the season, delivering more light than the drearier months that follow, such as November and December. This decline in sunny hours reflects a broader trend of diminishing daylight as autumn takes hold, yet it serves as a gentle reminder of the radiant summer that just passed, inviting locals and visitors alike to enjoy the beauty of Constanta’s fall landscape while basking in the soft glow of October’s sun.

Monthly Sunshine Duration in Constanta: October Highlighted

The October sunshine duration represents the total number of hours Constanta 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.
JanFebMarAprMayJunJulAugSepOctNovDec158h229h301h353h408h417h434h407h343h292h214h194h
Data source: Constanta October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Constanta During October

As autumn settles in, October in Constanta, Romania brings a notable decrease in sunny weather, with a 33% chance of clear skies. This marks a shift from the vibrant summer months, where July and August boast sunny probabilities of 77% and 75%, respectively. While September offers a more favorable 60% chance, October's cooler days signal the onset of winter, bringing the likelihood of sunshine closer to the winter months, which linger around the 30% mark. Even though October might not deliver the same sunny charm as the summer, its mild weather still provides pleasant days for enjoying the coastal scenery.

Percentage of Sunny Days in October in Constanta

The chart illustrates the percentage of sunny days in Constanta 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 Constanta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%35%42%41%44%45%77%75%60%33%32%26%
Data source: Constanta October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Constanta in October

As October unfolds in Constanta, Romania, the days begin to shorten, offering approximately 10 hours of daylight. This decline continues the gradual trend observed since the summer months, where daylight peaked at 15 hours in both June and July. Following this summer surge, daylight hours steadily diminish through the autumn months, dropping to 12 hours in September before settling into the shorter days of October. The transition from the vibrant light of summer to the softer hues of autumn creates a picturesque atmosphere as nature prepares for the winter season, inviting residents and visitors alike to celebrate the beauty of the shifting seasons.

Average Daylight Hours in Constanta for October

The chart illustrates the variation in daylight duration in Constanta throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 16m10h 27m11h 56m13h 28m14h 47m15h 27m15h 6m13h 56m12h 28m10h 56m9h 36m8h 54m
Data source: Constanta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Constanta

As October settles in Constanta, Romania, the coastal winds begin to pick up, with an average wind speed of 5.9 m/s (13 mph), marking a noticeable increase from the calmer summer months. Following a gradual decline from the breezy conditions of spring and early summer, where winds hovered around 4.2 to 4.5 m/s, October brings a refreshing change that hints at the chill of the approaching winter. This uptick in wind speed aligns with the year’s trend of fluctuating breezes, as the transition from the warmer months to the chillier ones often stirs up a little more movement in the air. As November looms, the wind speeds dip slightly to 5.1 m/s, but October's gusts serve as a vibrant reminder of nature's dynamic rhythms along Constanta's scenic coastline.

Average October Wind Speed in Constanta

The chart displays monthly wind speed patterns in Constanta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.35.15.54.24.44.54.54.35.35.9 m/s5.16.7
Data source: Constanta October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Constanta Compares to Other Months

Weather in Constanta varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Constanta, focusing on differences in temperature, rainfall, humidity, and UV levels.

October weather is generally milder compared to January, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 24°C (76°F). This fall month experiences about 50 mm (2.0 in) of precipitation over roughly 5 days and has a humidity level of 77%. In contrast, January brings much colder conditions, with temperatures ranging from a frigid -10°C (14°F) to a maximum of 14°C (57°F). Like October, January also sees approximately 50 mm (2.0 in) of precipitation, but spread over 7 days and with an increased humidity of 87%. For more detailed weather information, you can visit Constanta weather in January.

October and February present quite contrasting weather conditions. In October, the temperature ranges from a mild 7°C (45°F) to a warm 24°C (76°F), with an average of 16°C (60°F). The humidity levels are moderately high at 77%, accompanied by 50 mm (2.0 in) of precipitation over about 5 days. In contrast, February brings much colder temperatures, with a minimum of -6°C (22°F) and a maximum of 15°C (59°F), averaging just 5°C (41°F). This month experiences slightly less precipitation at 42 mm (1.7 in), but it is spread over 7 days, leading to higher humidity at 83%. For a more detailed look at February weather, you can visit Constanta weather in February.

October and March present distinct weather patterns that significantly influence daily life. In October, temperatures range from a minimum of 7°C (45°F) to a comfortable maximum of 24°C (76°F), with an average of 16°C (60°F). This month also experiences about 50 mm (2.0 in) of precipitation spread over approximately 5 days, accompanied by a humidity level of 77%. In contrast, March is characterized by colder temperatures, with a chilly minimum of -9°C (17°F) and a maximum that reaches up to 16°C (61°F), averaging only 6°C (43°F). Additionally, March sees slightly lower precipitation at 44 mm (1.7 in), but it is spread out over more days, about 8. Humidity in March is slightly higher at 80%. For more detailed weather information, check Constanta weather in March.

When comparing October and April weather, October tends to be warmer with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 24°C (76°F), while April features cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 20°C (69°F). Additionally, October receives more precipitation, totaling 50 mm (2.0 in) over about 5 days, compared to April's 28 mm (1.1 in) spread over 6 days. Both months exhibit similar levels of humidity, with October at 77% and April slightly lower at 76%. For more detailed information on April weather in Constanta, you can visit Constanta weather in April.

In comparing the weather between October and May, both months exhibit mild temperatures, with average highs hovering around 16°C (60°F) and 16°C (61°F) respectively. October boasts a wider temperature range, from a minimum of 7°C (45°F) to a maximum of 24°C (76°F), while May has slightly warmer lows and highs, ranging from 9°C (49°F) to 25°C (77°F). Precipitation is more abundant in October, accumulating to 50 mm (2.0 in) over about five days, compared to May's relatively drier 30 mm (1.2 in) spread over seven days. Despite this, October’s humidity is a touch higher at 77%, compared to May’s 73%. For more insights on the weather in May, check out Constanta weather in May.

October and June present contrasting weather patterns. In October, temperatures range from a chilly minimum of 7°C (45°F) to a comfortable average of 16°C (60°F), peaking at a moderate 24°C (76°F). With about 50 mm (2.0 in) of precipitation spread over an average of five days, the month also brings a higher humidity level of 77%. In contrast, June sees warmer temperatures, with a minimum of 12°C (54°F), an average of 21°C (71°F), and a maximum reaching 29°C (84°F). However, it experiences more rainfall, totaling 67 mm (2.6 in) across ten days, along with slightly lower humidity at 68%. For more details, check out Constanta weather in June.

October and July showcase distinct climatic contrasts. In October, temperatures range from a crisp minimum of 7°C (45°F) to a comfortable maximum of 24°C (76°F), with an average of 16°C (60°F). The month typically experiences 50 mm (2.0 in) of rainfall over about 5 days, accompanied by a higher humidity of 77%. In stark contrast, July boasts warmer temperatures, with lows around 17°C (62°F) and highs peaking at 31°C (87°F), averaging 24°C (75°F). Precipitation remains similar at 50 mm (2.0 in), but occurs slightly more frequently, over 6 days, with lower humidity levels at 65%. For a deeper dive into the weather in July, you can check out Constanta weather in July.

The weather in October is noticeably cooler than in August, with average temperatures dropping from 25°C (77°F) in August to just 16°C (60°F) in October. While August enjoys higher maximum temperatures reaching up to 30°C (87°F), October's highs only reach 24°C (76°F). Additionally, October experiences more precipitation, averaging 50 mm (2.0 in) over five days, compared to August's drier conditions with only 11 mm (0.4 in) of rain over three days. Furthermore, humidity levels in October are higher at 77%, contrasting sharply with the more comfortable 53% humidity often felt in August. For a detailed look at August weather, visit Constanta weather in August.

In comparing the weather of October and September, it's clear that October tends to be cooler and wetter. While September boasts milder temperatures with a minimum of 11°C (52°F) and an average high of 28°C (83°F), October sees lower temperatures, with a minimum of 7°C (45°F) and a maximum of 24°C (76°F). Additionally, October experiences increased precipitation, with 50 mm (2.0 in) over 5 days compared to just 21 mm (0.8 in) during 3 days in September. The humidity also rises significantly in October to 77%, compared to 61% in September. For more details, you can check Constanta weather in September.

October typically experiences milder temperatures, with averages around 16°C (60°F) and maximums reaching up to 24°C (76°F). It has relatively low humidity at 77% and experiences about 50 mm (2.0 in) of precipitation over approximately 5 days. In contrast, November sees a more significant drop in temperature, with a minimum of -1°C (31°F) and an average of 11°C (51°F), while maximums reach 21°C (69°F). The humidity increases to 85%, and the month receives slightly more rainfall, totaling 54 mm (2.1 in) spread over about 9 days. For more detailed information, you can refer to Constanta weather in November.

October and December present contrasting weather patterns. In October, temperatures range from a mild 7°C (45°F) at night to a comfortable 24°C (76°F) during the day, with average temperatures around 16°C (60°F). The month sees about 50 mm (2.0 in) of precipitation over approximately 5 days, coupled with a humidity level of 77%. In sharp contrast, December experiences colder conditions, with daytime highs peaking at 16°C (61°F) but nighttime lows dropping to -5°C (24°F). Precipitation increases to 68 mm (2.7 in) spread across 12 days, and humidity also rises to 86%. For a more detailed look at what to expect, visit Constanta weather in December.

Compare Constanta's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Constanta

As October unfolds in Constanta, the weather showcases a delightful transition from the warmth of summer to the crispness of autumn. Temperatures begin to dip, with pleasant days giving way to cooler evenings, marking a significant departure from the summer highs. The increased chance of rain—with five days of precipitation—adds a refreshing touch to the air, while the humidity remains notably high. This month’s blend of milder temperatures and occasional showers makes it a unique time to experience the coastal charm of Constanta. For those interested in the broader climate patterns throughout the year, explore more at Constanta Climate.