Last updated: October 30, 2025
Experience the varied October weather of Osan, South Korea, where temperatures gracefully oscillate between a maximum of 29°C (84°F) and a minimum of 1°C (33°F), creating an invigorating climate. The average temperature settles around a comfortable 15°C (59°F), ideal for outdoor exploration. While rain is present, with 62 mm (2.5 in) of precipitation over 5 days, the 79% humidity adds a refreshing, albeit slightly brisk, feel to the air. October in Osan is a vibrant time to enjoy the beautiful fall foliage and bustling seasonal activities amidst dynamic weather changes.
In October, Osan, South Korea experiences a delightful shift in temperatures as the region transitions into fall. With a minimum of around 1°C (33°F) and an average of 15°C (59°F), the cool air envelops the city, perfect for outdoor activities. The maximum temperatures can reach up to 29°C (84°F), providing a pleasant, warm respite during the day. Compared to the sweltering summers, October's temperatures are refreshingly mild, making it an ideal time for residents and visitors alike to enjoy the vibrant autumn foliage. This month marks a clear departure from the heat and humidity of summer, paving the way for the crisp air and cooler days of November.
In October, Osan, South Korea experiences a transition in its precipitation patterns, with the cumulative rainfall amounting to 62 mm (2.5 in) over five days. This marks a noticeable reduction compared to the heavy downpours of the summer months, particularly July and August, which collectively received over 490 mm of rain. As autumn settles in, October’s rainfall is a gentle shift from the earlier months, reflecting a more moderate climate with clearer skies interspersed with occasional showers. With an average of just over 12 mm of rain per day during the rainy days, residents can expect a mix of crisp fall air and refreshing rain that nourishes the vibrant autumn foliage.
In October, Osan, South Korea, experiences a noticeable shift in humidity levels as they stabilize at 79%. This month marks a transition from the high humidity of summer, which peaks in July and August at an impressive 91%, to slightly drier conditions in the later months. The humidity levels in October remain relatively high, reflecting the lingering warmth of early fall. Compared to the lofty heights of summer, this drop is refreshing yet still contributes to the overall moisture in the air, paving the way for the cooler, crisper days of November, where humidity hovers around 80%. As such, October serves as a bridge between the sultry summer and the more temperate winter, showcasing Osan's dynamic climate.
As October arrives in Osan, South Korea, the UV Index dips to 6, indicating a high level of sun exposure with a recommended burn time of 25 minutes. This marks a notable decrease from the intense extreme levels seen in the summer months, where the index soared to 11 in both July and August. Overall, the trend reflects a transition from the scorching summer sun to a more moderate fall climate, though caution is still advised on sunny days. As the days grow shorter and the temperatures cool down, it’s essential to remain aware of UV levels—check out more details at Osan UV Index.
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In October, Osan, South Korea, basks in a warm embrace of 266 hours of sunshine, marking a slight dip from the radiant September days but still vibrant enough to enjoy autumn's beauty. As the year progresses, this month showcases a remarkable trend; after the peak of 315 hours in May and the steady rays of June, sunshine hours gradually decline, ushering in the cooler months. October's glow, however, remains more generous than the 231 hours seen in November, keeping spirits high before the chill of winter sets in. As nature dons her fall colors, Osan’s October invites residents and visitors alike to relish the crisp air and cozy sunlit afternoons.
In Osan, South Korea, the likelihood of sunny weather in October stands at a decent 47%, making it one of the more pleasant months for sunshine as autumn sets in. This figure reflects a slight rebound from the summer months, where the chances dipped to around 30% in July and August. As the seasons transition, one can observe a gradual increase in sunny days, with October emerging as a promising time to enjoy the outdoors. Notably, the sunniest months follow closely, with November and December seeing even higher probabilities of clear skies. Therefore, while October may not guarantee endless sunshine, it's certainly a more inviting time compared to the preceding sweltering summer days.
As autumn settles over Osan, South Korea, October brings a gentle decline in daylight, with approximately 11 hours of sunlight each day. This marks a transition from the long, sun-kissed days of summer, which peak at 14 hours in June, July, and August, to the cozy, shorter days that characterize the winter months. Following the gradual reduction in daylight starting in September, October offers a balanced mix of daylight before reaching 10 hours in November. As the days grow shorter, the vibrant colors of fall create a beautiful backdrop, encouraging outdoor activities during the golden hours of the day.
As October sweeps into Osan, South Korea, the winds begin to whisper a shift from the summer's gentle breezes. With an average speed of 2.4 m/s (5 mph), this month sees a slight decline in wind intensity compared to the previous months, continuing a trend of gradual reduction following the summer's peak. From a breezy spring and summer, where winds danced at an average of 2.9 m/s, October ushers in a more tranquil atmosphere, reminiscent of late autumn's embrace. As the trees begin to shed their vibrant leaves, the winds become a subtle backdrop, softly signaling the approach of winter's chill while offering a serene respite from the bluster of the earlier months.
Weather in Osan varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Osan, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present starkly contrasting weather conditions. In October, temperatures range from a minimum of 1°C (33°F) to a maximum of 29°C (84°F), with an average of 15°C (59°F). The month experiences about 62 mm (2.5 in) of rainfall over five days, accompanied by a high humidity level of 79%. In contrast, January is much colder, featuring minimum temperatures dipping to -17°C (2°F) and a maximum of 13°C (55°F), with an average temperature of -2°C (29°F). This month sees significantly less precipitation, with only 21 mm (0.8 in) over just two days, and a lower humidity of 71%. For more detailed information on January's weather, visit Osan weather in January.
October and February present distinctly different weather patterns. In October, temperatures range from a chilly 1°C (33°F) to a comfortable 29°C (84°F), with an average of 15°C (59°F), making it a pleasant month as summer transitions to fall. The month receives about 62 mm (2.5 in) of precipitation over roughly 5 days, accompanied by a relatively high humidity level of 79%.
In contrast, February is much colder, with temperatures dropping to a minimum of -15°C (4°F) and an average of 0°C (33°F), peaking at 18°C (65°F). This month sees significantly less precipitation at 23 mm (0.9 in) over around 4 days and a lower humidity of 65%. These factors create a stark contrast between October's mild, humid conditions and February's harsh, dry cold. For more detailed information, check out Osan weather in February.
In comparing the weather of October and March, October boasts a much warmer average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F). In contrast, March is cooler, with an average temperature of just 7°C (44°F) and temperatures dipping as low as -6°C (21°F). Both months experience similar precipitation, with October receiving slightly more at 62 mm (2.5 in) compared to March's 47 mm (1.9 in), but each month sees rain for about five days. Additionally, October has a higher humidity level at 79%, while March's humidity sits at a more moderate 65%. For more details on March weather in a specific location, you can check Osan weather in March.
October and April present distinct weather patterns that highlight the transition between seasons. In October, temperatures typically range from a cool 1°C (33°F) to a warm 29°C (84°F), with an average of 15°C (59°F). This month receives about 62 mm (2.5 in) of precipitation over approximately five days and features a humidity level of 79%. In contrast, April experiences slightly cooler temperatures, with lows of -1°C (30°F) and highs averaging 28°C (82°F), while the average temperature sits at 12°C (54°F). The precipitation in April is a bit lower, totaling 54 mm (2.1 in) over the same number of days, and the humidity is slightly lower at 75%. For more detailed insights about April weather, you can check Osan weather in April.
October and May present distinct weather patterns, each with its own charm. October generally experiences cooler temperatures, with a minimum of 1°C (33°F) and an average of 15°C (59°F), while May is warmer, featuring a minimum of 6°C (42°F) and an average of 18°C (64°F). The maximum temperatures in October can reach 29°C (84°F), whereas May can see highs of up to 31°C (89°F). Precipitation is slightly less in October at 62 mm (2.5 in) over 5 days, compared to May's 98 mm (3.9 in) over 8 days, although humidity levels remain similar, with October at 79% and May at 81%. For a closer look at the specific weather trends during this time, you can visit Osan weather in May.
October and June present notably different weather conditions. In October, temperatures vary from a chilly minimum of 1°C (33°F) to a comfortable maximum of 29°C (84°F), with an average of 15°C (59°F). The month receives 62 mm (2.5 in) of precipitation over about 5 days, accompanied by a humidity level of 79%. In contrast, June boasts warmer temperatures, with a minimum of 12°C (53°F) and a maximum reaching 33°C (91°F), averaging 22°C (72°F). This month experiences slightly more rainfall, totaling 80 mm (3.1 in) across 7 days, and humidity peaks at 85%. For more detailed insights on June weather, you can check out Osan weather in June.
In comparison to July, October experiences significantly cooler temperatures, with an average of 15°C (59°F) compared to July's warmer 26°C (79°F). While July reaches maximum temperatures of 36°C (98°F), October's highs are much more moderate at 29°C (84°F). Additionally, October sees less precipitation, with 62 mm (2.5 in) over just 5 days, whereas July is characterized by more rain, totaling 235 mm (9.3 in) over 14 days. The humidity also remains slightly lower in October at 79%, compared to 91% in July. For more details on July weather in Osan, you can visit Osan weather in July.
In comparing the weather of October and August, a stark contrast is evident. October experiences milder temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 29°C (84°F) with an average of 15°C (59°F), while August is much warmer, with temperatures fluctuating between 16°C (61°F) and a scorching 38°C (101°F) and an average of 27°C (80°F). Precipitation levels also differ significantly; October has 62 mm (2.5 in) of rain over 5 days, whereas August sees a much higher total of 255 mm (10.1 in) over 14 days, indicating a more humid and wetter month. Additionally, the humidity in October stands at 79%, compared to 91% in the sweltering August heat. For more detailed information about the weather in August, you can check Osan weather in August.
October weather shows a notable shift from September, with a significant drop in minimum temperatures, dropping from 9°C (48°F) in September to just 1°C (33°F) in October. While October averages a milder temperature of 15°C (59°F), September remains warmer with an average of 22°C (71°F). Additionally, October experiences less precipitation at 62 mm (2.5 in) over 5 days, compared to September's 136 mm (5.4 in) spread over 9 days. Humidity remains fairly comparable with October at 79% and September slightly lower at 77%. For more information, you can visit Osan weather in September.
October and November present a notable shift in weather conditions. In October, temperatures range from a minimum of 1°C (33°F) to a maximum of 29°C (84°F), with an average temperature of 15°C (59°F). The month sees a fair amount of precipitation, totaling 62 mm (2.5 in) over five days, combined with a humidity level of 79%. In contrast, November experiences colder weather, with temperatures dipping lower, ranging from -5°C (23°F) to a maximum of 21°C (70°F) and averaging at 8°C (46°F). Precipitation slightly decreases to 54 mm (2.1 in) over the same five days, while humidity remains close, at 80%. For more detailed insights on November's weather, you can visit Osan weather in November.
October and December present starkly contrasting weather conditions. In October, temperatures range from a minimum of 1°C (33°F) to a maximum of 29°C (84°F), with an average of 15°C (59°F), making it a relatively warm month with some pleasant days. The humidity is on the higher side at 79%, and it sees about 62 mm (2.5 in) of precipitation over 5 days. In contrast, December brings much colder temperatures, with a minimum of -14°C (8°F) and an average of 0°C (33°F), reaching a maximum of only 13°C (56°F). The precipitation decreases to 26 mm (1.0 in) over the same number of days, and humidity drops slightly to 74%. For more details on December weather, check out Osan weather in December.
As October unfolds in Osan, the weather presents a refreshing shift from the warmer months of summer. With average temperatures settling around a mild 15°C (59°F), the chill in the air signals the onset of autumn. Unlike the stifling heat of previous months, October brings moderate conditions, with maximum highs reaching 29°C (84°F) and minimum lows dipping to 1°C (33°F), creating a comfortable atmosphere for outdoor activities. While the skies may open up with about 62 mm (2.5 in) of precipitation over five days, the 79% humidity adds a pleasant crispness to the air. This transitional month represents a perfect blend of warmth and coolness, making it an ideal time to explore the beauty of Osan. For more details on the weather throughout the year, visit Osan Climate.