August Weather in Chichibu, Japan

Last updated: August 21, 2025

In Chichibu, Japan, the weather in August is defined by its warm, humid conditions, showcasing a maximum temperature of 35°C (94°F) and a comforting average of 25°C (77°F). While the heat can be intense, evening temperatures drop to a refreshing 13°C (56°F). This month experiences significant rainfall, with a total precipitation of 242 mm (9.5 in) over 25 days, contributing to the region's lush, green landscapes. The humidity reaches a staggering 90%, enhancing the vibrant atmosphere and creating a unique summer experience for visitors and locals alike.

August Temperature in Chichibu

In August, Chichibu experiences a delightful summer warmth, with temperatures showcasing a significant uptrend compared to earlier months. The minimum temperature hovers around 13°C (56°F), offering a refreshing start to the day, while the average climbs to a balmy 25°C (77°F). Rarely is the heat oppressive, as the maximum can reach a sunny 35°C (94°F), perfect for outdoor activities and enjoying the lush surroundings. This month marks a peak in the seasonal cycle, transitioning from July's warmth but still feeling vibrantly alive, underscoring Chichibu's dynamic climate as it thrives under August's embrace.

August Weather in Chichibu: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Chichibu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chichibu, August 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).
JanFebMarAprMayJunJulAugSepOctNovDec363845526266737668594940
Data source: Temperature data for Chichibu 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.

August Precipitation in Chichibu

In August, Chichibu experiences a substantial precipitation total of 242 mm (9.5 in), marking a continuation of the region's wettest season. This month, rainfall graces the area on 25 days, showcasing the persistent showers that characterize the latter part of summer. Although overall precipitation slightly decreases from July’s heavy 377 mm (14.8 in), August still maintains a significant amount of rainfall, contributing to the lush greenery and vibrant landscapes that define this picturesque locale. The transition from July's peak to August indicates a seasonal shift, where rainfall remains plentiful yet begins to taper off, setting the stage for the drier months ahead.

August Precipitation Trends in Chichibu

The chart displays monthly precipitation patterns in Chichibu, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Chichibu, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec55591521581862453772422853595957
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chichibu

In Chichibu, Japan, August marks a peak in humidity levels, with an average of 90%. This month is part of a notable trend where the summer months exhibit exceptionally high humidity, particularly July, which sees its highest at 93%. Following June’s sweltering 88%, the air in August remains thick with moisture, providing a sultry backdrop against the picturesque scenery. As we transition into September, humidity begins to ease to 86%, hinting at the approach of autumn. Overall, the data illustrates a clear seasonal pattern, where humidity levels generally rise from late spring through summer before gradually declining in the fall, creating a dynamic climate that shapes life in this beautiful region.

August Average Humidity in Chichibu

This chart illustrates the average monthly humidity levels in Chichibu, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Chichibu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chichibu

In August, Chichibu experiences a UV Index of 11, maintaining its classification of extreme exposure, with a burn time as short as 10 minutes. This trend of heightened UV levels continues from the previous months of July and June, which also recorded an Index of 11. Notably, the intensity peaks earlier in the summer, with May hitting 11 as well, making this season particularly crucial for skin protection. As we transition to September, the UV Index slightly decreases to 10, yet remains in the very high category. This pattern underscores the importance of being vigilant against UV exposure during Chichibu’s summer months. For more details on UV levels, visit Chichibu UV Index.

Maximum UV Index Levels in Chichibu for August

The chart shows the monthly maximum UV Index (UVI) for Chichibu in August, 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 August, the maximum UV index in Chichibu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Chichibu August 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.

August Sunshine in Chichibu

August in Chichibu, Japan, shines brightly with 276 hours of glorious sunshine, making it one of the sunniest months of the year. This warmth follows a steady climb from the depths of winter, where sunshine hours begin at a modest 192 in January. As spring approaches, the city basks in an increasing embrace of sunlight, reaching a peak in late spring and early summer with 284 hours in May. Although July sees a slight dip to 228 hours, August regains momentum, showcasing the region’s vibrant summer. As autumn creeps in, sunlight begins to wane, with September dropping to 226 hours. Chichibu’s seasonal narrative of sunshine illuminates the beauty of its climate, highlighting the rich interplay between vibrant summer days and the gradual retreat of light as the year unfolds.

Monthly Sunshine Duration in Chichibu: August Highlighted

The August sunshine duration represents the total number of hours Chichibu experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec192h236h262h279h284h262h228h276h226h206h230h235h
Data source: Chichibu August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chichibu During August

August in Chichibu, Japan, presents a moderate likelihood of sunny weather, with only a 25% chance of sunshine. This marks a notable decline compared to the sunnier months of winter and early spring, where percentages often exceed 50%. As the summer progresses, the opportunities for clear skies diminish, following a trend evident from June to August, where the sunshine probability hovers between 18% and 26%. Interestingly, as the year transitions into fall, the chances of sunlight gradually improve again, suggesting that while August may not deliver the brightest days, the weather is set for a sunnier turn in the months ahead.

Percentage of Sunny Days in August in Chichibu

The chart illustrates the percentage of sunny days in Chichibu throughout the year, with August 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 Chichibu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%71%40%46%22%18%26%25%20%45%57%68%
Data source: Chichibu August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chichibu in August

In Chichibu, Japan, the daylight duration follows a distinct seasonal rhythm, peaking in the late spring and summer months. Despite August being a warm summer month, it experiences a gentle decline in daylight hours, offering approximately 13 hours of sunlight. This is a slight decrease from June and July, which bask in a consistent 14 hours. As the transition into autumn begins, daylight diminishes gradually, with September bringing 12 hours and leading into the shorter days of October and November. This trend highlights Chichibu's dynamic light patterns, where each month gracefully shifts, reflecting the changing seasons and inviting residents and visitors to embrace the natural beauty throughout the year.

Average Daylight Hours in Chichibu for August

The chart illustrates the variation in daylight duration in Chichibu throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h10h 51m11h 57m13h 6m14h 4m14h 33m14h 18m13h 28m12h 22m11h 14m10h 15m9h 44m
Data source: Chichibu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Chichibu

In Chichibu, Japan, the August wind offers a gentle respite, with an average speed of 1.4 m/s (3 mph). This slight breeze is part of a notable trend that sees wind speeds gradually declining during the summer months. From a peak of 2.3 m/s (5 mph) in February, the winds have steadily diminished, reaching their lowest in July and August. Yet, with autumn approaching, speeds begin to rise again in September, hinting at the upcoming seasonal changes. This rhythmic ebb and flow of the wind not only shapes Chichibu's climate but also enhances its serene landscapes, making summer afternoons a unique blend of warmth and soft whispers of the breeze.

Average August Wind Speed in Chichibu

The chart displays monthly wind speed patterns in Chichibu, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.32.02.01.71.51.31.4 m/s1.31.71.72.0
Data source: Chichibu August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Chichibu Compares to Other Months

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

August and January present stark contrasts in weather. In August, temperatures range from a minimum of 13°C (56°F) to a scorching maximum of 35°C (94°F), with an average of 25°C (77°F). The month is characterized by high humidity at 90% and considerable precipitation, totaling 242 mm (9.5 inches) over 25 rainy days. In contrast, January basks in much colder conditions, with temperatures from a frigid -12°C (10°F) to a maximum of 16°C (61°F) and an average of only 2°C (36°F). The winter month experiences significantly less rainfall, with just 55 mm (2.2 inches) across 8 days, and lower humidity at 76%. For more details on the winter climate, visit Chichibu weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures range from a minimum of 13°C (56°F) to a sweltering maximum of 35°C (94°F), with an average temperature of 25°C (77°F). The month is characterized by high humidity at 90% and significant rainfall, accumulating 242 mm (9.5 in) over 25 days. In contrast, February experiences much colder temperatures, peaking at 21°C (70°F) during the day but plummeting to a chilly minimum of -12°C (10°F) at night, with an average of just 3°C (38°F). Precipitation is also markedly lower in February, totaling 59 mm (2.3 in) over 10 days, and humidity sits at a more comfortable 74%. For a detailed overview of February weather, you can visit Chichibu weather in February.

In comparing the weather of August and March, it's evident that these months showcase stark contrasts. August is characterized by warm temperatures, with a minimum of 13°C and averages reaching 25°C, peaking at a sweltering 35°C. The month is humid, with an average humidity of 90% and considerable precipitation, totaling 242 mm over 25 days. In contrast, March brings a chillier atmosphere, where temperatures can drop to a minimum of -4°C, while averaging around 7°C and peaking at a milder 24°C. The precipitation is less intense in March, totaling 152 mm over 14 days, and the humidity is lower at 70%. For a more in-depth look at March weather, you can visit Chichibu weather in March.

When comparing the weather in August and April, it becomes evident that these months present starkly different climates. August features much warmer temperatures, with daily averages around 25°C (77°F) and highs reaching up to 35°C (94°F), while April's temperatures range from a chilly -2°C (28°F) at night to a mild average of 11°C (52°F). Precipitation is notably higher in August, with 242 mm (9.5 in) spread over 25 days, compared to April's 158 mm (6.2 in) over 16 days. Additionally, the humidity in August is significantly elevated at 90%, while April experiences a more comfortable 74%. For a more detailed look at April weather specifics, you can visit Chichibu weather in April.

When comparing the weather in August and May, notable differences emerge. August boasts much warmer temperatures, with a minimum of 13°C (56°F) and an average high of 35°C (94°F), while May's temperatures range from a chilly minimum of 3°C (38°F) to a milder average maximum of 31°C (87°F). Moreover, August is characterized by higher humidity at 90%, compared to May's 81%. Precipitation is also significant, with August receiving 242 mm (9.5 in) over 25 days, while May has lower rainfall at 186 mm (7.3 in) spread across 17 days. For more details, check out Chichibu weather in May.

In comparing the weather of August and June, we see notable differences in temperature and precipitation patterns. August tends to be warmer, with average temperatures reaching around 25°C (77°F) and a maximum of 35°C (94°F), compared to June's average of 19°C (67°F) and a high of 31°C (88°F). Despite the warmth, August experiences higher humidity at 90%, compared to June's slightly lower 88%. Precipitation levels are comparable, with August receiving 242 mm (9.5 in) over 25 days and June experiencing 245 mm (9.7 in) over 21 days. For more detailed information on June weather, you can visit Chichibu weather in June.

In comparing the weather between August and July, August tends to be slightly warmer with an average temperature of 25°C (77°F) compared to July's average of 23°C (74°F). However, July experiences a marginally cooler minimum temperature of 15°C (59°F) against August's minimum of 13°C (56°F). Precipitation levels are notably higher in July, totaling 377 mm (14.8 in) over 26 days, compared to August's 242 mm (9.5 in) over 25 days. Humidity remains relatively high in both months, with August at 90% and July a bit higher at 93%. For more detailed insights, check out Chichibu weather in July.

August typically features higher temperatures, with averages around 25°C (77°F) and peaks reaching 35°C (94°F), making it the warmest month compared to September's cooler average of 20°C (69°F) and maximums of 33°C (91°F). However, September sees slightly more precipitation at 285 mm (11.2 in) over 24 days, compared to August's 242 mm (9.5 in) over 25 days. Humidity levels also remain high in both months, but August is marginally more humid at 90% compared to September's 86%. For more detailed weather conditions in September, visit Chichibu weather in September.

August and October present strikingly different weather patterns. In August, temperatures average a warm 25°C (77°F), with highs reaching up to 35°C (94°F), while experiencing high humidity levels around 90%. However, this month is also marked by significant precipitation, totaling 242 mm (9.5 in) over 25 days. In contrast, October cools down considerably, with average temperatures dropping to 15°C (59°F) and overnight lows dipping to 4°C (40°F). Although October has more precipitation at 359 mm (14.1 in), it occurs over fewer days (21), and the humidity is slightly lower at 83%. For more specific details about October weather, you can check Chichibu weather in October.

August and November present a stark contrast in weather patterns. In August, temperatures range from a cool 13°C (56°F) to a scorching 35°C (94°F), with an average of 25°C (77°F). The month is notably humid with a humidity level of 90% and significant precipitation, totaling 242 mm (9.5 in) over 25 days. In contrast, November sees much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (70°F), averaging around 10°C (49°F). The precipitation drops significantly to 59 mm (2.3 in) over just 9 days, and humidity is also lower at 80%. For more information on weather specifics in November, you can check Chichibu weather in November.

In August, the weather is characterized by warm temperatures, with averages around 25°C (77°F) and maximums reaching up to 35°C (94°F). The humidity is notably high at 90%, and the month is quite rainy, receiving about 242 mm (9.5 in) of precipitation over 25 days. In contrast, December brings much cooler conditions, with an average temperature of only 5°C (40°F) and maximums peaking at 19°C (67°F). The month is relatively dry, with just 57 mm (2.2 in) of precipitation over 8 days, and the humidity drops to 78%. For a closer look at December weather patterns, you can visit Chichibu weather in December.

Compare Chichibu's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Chichibu

In August, Chichibu experiences a notable shift in weather, characterized by higher temperatures and increased humidity compared to other months. The warmth peaks, creating a vibrant summer atmosphere, while the frequent rain—experienced on nearly 25 days—adds a lush green backdrop to the landscape. With humidity hovering around 90%, this month can feel somewhat stifling, yet it also brings a unique charm to the region's summer events and outdoor activities. For a deeper insight into how Chichibu's climate varies throughout the year, visit Chichibu Climate.