November Weather in Osan, South Korea

Last updated: October 30, 2025

November in Osan, South Korea, ushers in a cool and crisp atmosphere, with temperatures ranging from a maximum of 21°C (70°F) to a minimum of -5°C (23°F). The month offers an average temperature of 8°C (46°F), making it a refreshing transition into winter. Despite the chill, November does experience some moisture, with 54 mm (2.1 in) of rain spread over approximately 5 days, contributing to a humidity level of around 80%. This combination of temperatures and precipitation creates a distinct backdrop for autumn activities, making it a unique time to experience the vibrant seasonal changes in Osan.

November Temperature in Osan

As November arrives in Osan, South Korea, the city's temperatures begin to drop, marking a transition into the heart of winter. With minimum temperatures dipping to around -5°C (23°F), residents experience a noticeable chill compared to the milder October. The average temperature hovers around 8°C (46°F), offering a crisp feel as the days grow shorter. Fortunately, the highs can reach up to 21°C (70°F), providing moments of warmth that contrast with the cooler evenings. This month serves as a poignant reminder of the shifting seasons, bridging the gap between the vibrant autumn hues and the stark, cold beauty of winter ahead.

November Weather in Osan: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Osan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osan, November typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (70°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec293244546472798071594632
Data source: Temperature data for Osan 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.

November Precipitation in Osan

In November, Osan, South Korea, experiences a notable shift in precipitation patterns as the autumn season gives way to winter. With an average rainfall of 54 mm (2.1 in) spread over five days, November's precipitation mirrors that of April, suggesting a wetter month compared to the drier early months of the year. This transitional period is characterized by a distinct decline from the summer's heavy downpours, which peak in July and August with 235 mm and 255 mm, respectively. As temperatures cool, the frequency of rain diminishes, yet the amount of precipitation remains significant, contributing to the region's lush landscapes before the onset of winter's dry spell. Overall, November serves as a reminder of the balance between the lingering warmth of autumn and the approaching chill of winter, making it a crucial month in Osan's annual climate cycle.

November Precipitation Trends in Osan

The chart displays monthly precipitation patterns in Osan, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Osan, November typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec212347549880235256136625426
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Osan

November in Osan, South Korea, sees humidity levels that hover around 80%, maintaining a notable consistency from the previous months. As autumn sets in, the humidity starts to level off after the summer peak, where July and August both experience a high of 91%. While November's humidity is slightly lower than October's 79%, it still reflects the lingering moisture from the summer months. This trend of increasing humidity from the spring through to fall culminates in a gentle drop as winter approaches, with December's level anticipated to be 74%. Overall, November exemplifies the transition from the humid summer months into the drier winter season, making it a unique point in Osan’s annual climate pattern.

November Average Humidity in Osan

This chart illustrates the average monthly humidity levels in Osan, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Osan is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%65%65%75%81%85%91%91%77%79%80%74%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Osan

As November settles over Osan, South Korea, residents can expect a moderate UV Index of 4, which translates to a burn time of 30 minutes for unprotected skin. This marks a notable decline from the preceding months of high and extreme UV exposure, as summer's intense rays fade. After peaking at an UV Index of 11 during the sweltering months of July and August, autumn brings a welcome relief, though precautions are still advisable for outdoor activities. As the year winds down, awareness of UV levels remains crucial; for more detailed monthly insights, check out the comprehensive guide at Osan UV Index.

Maximum UV Index Levels in Osan for November

The chart shows the monthly maximum UV Index (UVI) for Osan in November, 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 November, the maximum UV index in Osan typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891011119643
Data source: Osan November 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.

November Sunshine in Osan

As November rolls into Osan, South Korea, the city experiences a gentle decline in sunshine hours with 231 hours of daylight, a subtle shift from the vibrant brightness of summer months. After basking in 318 hours of sunshine in June, the days gradually shorten, highlighting the transition into winter. November stands as the last month of autumn, where the warmth of late fall lingers in the air, and the sunlight dimly reflects off the colorful foliage. This pattern of gradually decreasing daylight from the sunny heights of spring and early summer to the cooler tones of late fall illustrates the rhythmic dance of seasons in Osan, creating a unique ambiance as the year approaches its end.

Monthly Sunshine Duration in Osan: November Highlighted

The November sunshine duration represents the total number of hours Osan experiences direct sunlight during the month of November, excluding cloudy or obstructed periods. This chart compares the sunshine duration of November with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec198h242h283h289h315h318h293h290h261h266h231h235h
Data source: Osan November Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Osan During November

As November rolls into Osan, South Korea, residents can look forward to a notable increase in sunshine, with a 57% chance of sunny days—a significant uptick compared to the preceding months. This shift marks a welcome transition from the gloomier summer months, where July and August see only 30% and 31% chance of sun respectively. Interestingly, it indicates a trend towards clearer skies as the year winds down, with November's sunny potential even surpassing that of October at 47%. This improvement continues into December, which boasts a 63% likelihood of sunshine, suggesting that while the temperatures drop, the sun still shines brightly for those enjoying the fall season in Osan.

Percentage of Sunny Days in November in Osan

The chart illustrates the percentage of sunny days in Osan throughout the year, with November 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 Osan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%53%43%43%39%40%30%31%39%47%57%63%
Data source: Osan November chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Osan in November

As November rolls into Osan, South Korea, the daylight begins to wane, following a gradual decline that starts in the vibrant months of late summer and early autumn. With 10 hours of daylight, November marks the transition into the shorter days of winter, echoing January and December when sunshine retreats to just 9 hours. The most striking trend throughout the year is the peak of daylight in the spring and summer, reaching a lively 14 hours in both May and June, before tapering off. This rhythmic ebb and flow of daylight cultivates a distinct seasonal atmosphere, where the cozy embrace of winter approaches, gently reminding residents of the natural cycle around them.

Average Daylight Hours in Osan for November

The chart illustrates the variation in daylight duration in Osan throughout the year, with November highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 48m11h 57m13h 9m14h 9m14h 40m14h 24m13h 32m12h 23m11h 12m10h 9m9h 37m
Data source: Osan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

November Winds in Osan

As November sweeps in, the wind in Osan, South Korea, showcases a subtle shift characterized by an average speed of 2.7 m/s (6 mph). This month’s winds mirror the gentle breezes of late summer and early fall, but they carry the crisp anticipation of winter approaching. Compared to previous months, November's winds emulate the speeds seen in September but are a touch lighter than the early winter gusts of December, which average 2.9 m/s (7 mph). The trend reveals a gradual increase from the quiet summer months, particularly July's calmest winds at 2.0 m/s (4 mph), creating a soothing atmosphere for those enjoying the season's transition. As the final leaves cling to the trees and the air grows cooler, November's breezes invite a moment of reflection and appreciation for the changing landscape.

Average November Wind Speed in Osan

The chart displays monthly wind speed patterns in Osan, with values for each month shown alongside November's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how November's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.42.72.92.92.22.02.32.72.42.7 m/s2.9
Data source: Osan November wind data, generated using information from the Copernicus Climate Change Service.

How November Weather in Osan Compares to Other Months

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

November weather presents a notable contrast to January, characterized by milder temperatures and higher humidity. In November, average temperatures range from a minimum of -5°C (23°F) to a maximum of 21°C (70°F), with an average of 8°C (46°F). The month sees an average precipitation of 54 mm (2.1 in) spread over about 5 days, contributing to a higher humidity level of 80%.

In contrast, January is much colder, with average temperatures ranging from a minimum of -17°C (2°F) to a maximum of 13°C (55°F), leading to an overall average of -2°C (29°F). Additionally, January experiences significantly less precipitation, with only 21 mm (0.8 in) over just 2 days, and humidity drops to 71%. For a more detailed view of weather conditions during this month, see Osan weather in January.

November and February present contrasting weather conditions. In November, temperatures range from a minimum of -5°C (23°F) to a comfortable maximum of 21°C (70°F), with an average of 8°C (46°F). The month experiences around 54 mm (2.1 in) of precipitation over five days, accompanied by high humidity levels of 80%. In contrast, February is significantly colder, with a minimum of -15°C (4°F) and a maximum of 18°C (65°F), resulting in an average temperature of 0°C (33°F). February sees less precipitation, totaling just 23 mm (0.9 in) over four days, and lower humidity at 65%. For more detailed insights into February weather, you can check Osan weather in February.

In comparing the weather of November and March, both months experience similar maximum temperatures, reaching up to 21°C (70°F). However, November typically sees an average temperature of 8°C (46°F), slightly warmer than March's average of 7°C (44°F). Precipitation is also comparable, with November receiving 54 mm (2.1 in) and March bringing in 47 mm (1.9 in), both occurring over five days. Nevertheless, November is marked by higher humidity at 80%, whereas March's humidity is lower at 65%. For more specific details about March weather, you can check out Osan weather in March.

November and April showcase contrasting yet relatively mild weather patterns. November experiences a broader temperature range with minimums dipping to -5°C (23°F) and maximums reaching 21°C (70°F), while April enjoys slightly warmer temperatures, with lows around -1°C (30°F) and highs peaking at 28°C (82°F). Both months receive the same amount of precipitation—54 mm (2.1 in) over approximately five days—but April's humidity is a bit lower at 75%, compared to November's higher level of 80%. For more detailed insights into April's climate, you can check out Osan weather in April.

November and May present stark contrasts in weather. November experiences cooler temperatures, with averages ranging from a chilly -5°C (23°F) at night to a mild 21°C (70°F) during the day. The month receives an average of 54 mm (2.1 in) of precipitation over approximately 5 days, and the humidity hovers around 80%. In contrast, May ushers in a warmer climate, boasting minimum temperatures of 6°C (42°F) and daytime highs reaching 31°C (89°F) on average. Rainfall increases to 98 mm (3.9 in) over 8 days, accompanied by a similar humidity level of 81%. For a more detailed look at May's weather, you can visit Osan weather in May.

November and June present stark contrasts in weather patterns. In November, temperatures can dip as low as -5°C (23°F) during the night, with an average daytime temperature of 8°C (46°F) and a maximum reaching 21°C (70°F). The month experiences around 54 mm (2.1 in) of precipitation over approximately 5 days, accompanied by high humidity at 80%. In contrast, June offers a much warmer climate, with minimum temperatures starting at 12°C (53°F) and averaging 22°C (72°F), peaking at a sweltering 33°C (91°F). This month sees increased rainfall, totaling 80 mm (3.1 in) over about 7 days, with humidity slightly higher at 85%. For more detailed insights, check Osan weather in June.

November and July present starkly contrasting weather patterns. In November, temperatures range from a chilly -5°C (23°F) to a milder 21°C (70°F), with an average of 8°C (46°F). The month experiences 54 mm (2.1 in) of precipitation over about five days and has a humidity level of 80%. In contrast, July boasts significantly warmer temperatures, with minimums of 18°C (65°F), highs reaching up to 36°C (98°F), and an average of 26°C (79°F). This summer month is also much wetter, receiving 235 mm (9.3 in) of rain over fourteen days, coupled with higher humidity at 91%. For a detailed look at July weather patterns, visit Osan weather in July.

November and August present two starkly contrasting weather experiences. In November, temperatures range from a chilly -5°C (23°F) at night to a mild 21°C (70°F) during the day, making it considerably cooler than August, which boasts a minimum temperature of 16°C (61°F) and a maximum of 38°C (101°F). While November brings only about 54 mm (2.1 in) of precipitation over five days, August sees significantly more rainfall, totaling 255 mm (10.1 in) over 14 days, contributing to higher humidity levels that average around 91%. For those interested in detailed weather patterns, you can visit Osan weather in August.

November and September exhibit striking contrasts in weather patterns. In November, temperatures range from a minimum of -5°C (23°F) to a maximum of 21°C (70°F), with an average of 8°C (46°F), making it significantly cooler than September, which enjoys milder temperatures ranging from 9°C (48°F) to 31°C (88°F) and an average of 22°C (71°F). Additionally, November sees lower precipitation levels of 54 mm (2.1 in) over 5 days, compared to September's higher rainfall of 136 mm (5.4 in) spread across 9 days. Humidity levels are also comparable, with November at 80% and September slightly lower at 77%. For more detailed insights into September weather, visit Osan weather in September.

In comparing the weather between November and October, we observe a significant drop in average temperatures. November sees temperatures ranging from a chilly minimum of -5°C (23°F) to a maximum of 21°C (70°F), while October enjoys milder conditions, with lows of 1°C (33°F) and highs reaching up to 29°C (84°F). Precipitation levels are slightly lower in November at 54 mm (2.1 in) over five days, compared to October's 62 mm (2.5 in) over the same number of days. Humidity remains relatively consistent, with November at 80% and October slightly lower at 79%. For a detailed overview of October's conditions, you can explore Osan weather in October.

November tends to be milder compared to December, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 21°C (70°F). In contrast, December experiences colder conditions, with temperatures dipping as low as -14°C (8°F) and averaging around 0°C (33°F). While November sees relatively higher precipitation of 54 mm (2.1 in) over 5 days, December records less rainfall at 26 mm (1.0 in) but maintains a similar frequency of rainy days. Additionally, humidity levels are slightly higher in November at 80%, compared to December's 74%. For more details on the specific weather conditions in December, you can check Osan weather in December.

Compare Osan's Climate with Cities Worldwide

Conclusion: What to Expect From November Weather in Osan

As November arrives in Osan, the weather begins to shift distinctly from the milder autumn months. With afternoons offering a maximum of 21°C and average temperatures dipping to around 8°C, the crisp air signals the official onset of late autumn. Nights can be quite cool, often plunging to -5°C, making cozy layers a necessity. Additionally, the month brings about an increase in humidity levels, reaching around 80%, which can add a slight chill to the already cooler temperatures. Rainfall is also more present, with 54 mm over just 5 days, making it essential to keep an umbrella handy to tackle the occasional wet spell. As the landscape starts to change, November in Osan is the perfect time to witness the stunning transformation of nature while enjoying the crisp yet refreshing weather. For more detailed insights, explore Osan Climate.