August Weather in Kamakura, Japan

Last updated: August 21, 2025

August in Kamakura, Japan, offers a vibrant blend of warmth and moisture, with maximum temperatures soaring to 31°C (87°F) and an average of 27°C (80°F). While the days are sunny, the nights remain comfortably mild, dipping to a minimum of 21°C (70°F). However, visitors should be prepared for occasional rain, as the city experiences an average precipitation of 129 mm (5.1 in) over 12 days throughout the month. With humidity levels reaching 90%, the air can feel quite muggy, making it ideal for exploring coastal attractions while staying hydrated and taking occasional shelter from the refreshing summer showers.

August Temperature in Kamakura

In Kamakura, Japan, August marks the pinnacle of summer, with temperatures that reflect the season's warmth. With a minimum temperature hovering around 21°C (70°F), the nights offer a comfortable respite from the daytime heat. The average temperature peaks at a pleasant 27°C (80°F), inviting both locals and tourists to explore the region's stunning coastal landscapes and historic sites. At times, the maximum temperature can soar to 31°C (87°F), emphasizing the vibrancy of summer in this picturesque city. Overall, August presents a delightful and sunny atmosphere, making it an ideal month for outdoor adventures and cultural experiences.

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

The chart illustrates August temperature patterns in Kamakura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamakura, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464752576570768075676051
Data source: Temperature data for Kamakura 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 Kamakura

In August, Kamakura experiences a moderate precipitation level of 129 mm (5.1 in), a notable decrease compared to the intense downpours of July, which saw 226 mm due to the peak summer rains. The month is characterized by approximately 12 rainy days, allowing for a fresh and vibrant landscape, even as the summer heat persists. This pattern aligns with the general trend of increasing rainfall through the early months, peaking in October with 303 mm, but August serves as a transitional period, providing a brief respite before the heavier rains return in the fall. Overall, Kamakura’s climatic rhythm reveals a fascinating interplay between summer heat and seasonal rain, creating a lush backdrop for its historical sites and coastal beauty.

August Precipitation Trends in Kamakura

The chart displays monthly precipitation patterns in Kamakura, 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 Kamakura, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec646217214114819722612920830311182
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kamakura

In August, Kamakura, Japan, experiences a high humidity level at 90%, continuing the trend of a notably humid summer season. This month follows the peak of 93% in July, highlighting a pattern where humidity consistently rises from early summer. After a relatively mild April and May, where humidity levels were more moderate at 74% and 81%, the onset of June ushers in a significant increase as the weather becomes more oppressive. This intense humidity often persists through September, though it does taper off slightly to 86%. Overall, the data reflects a seasonal ebb and flow, with the summer months being marked by high moisture levels, creating a lush and vibrant atmosphere in this coastal city.

August Average Humidity in Kamakura

This chart illustrates the average monthly humidity levels in Kamakura, 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 Kamakura 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 Kamakura

In August, Kamakura, Japan, experiences a steadily high UV Index of 11, categorizing it as extreme with a burn time as short as 10 minutes. This trend highlights a peak in sun intensity that persists through July and August, showcasing the importance of sun protection during these months. As temperatures rise, UV exposure mirrors the summer's intensity, presenting a notable shift from earlier in the year when January and February recorded more moderate levels. As summer transitions into autumn, expect a slight decline in UV Index ratings, but vigilance is key. For those exploring Kamakura's beautiful beaches or historical sites, understanding the Kamakura UV Index is essential for safe outdoor enjoyment – check it out here.

Maximum UV Index Levels in Kamakura for August

The chart shows the monthly maximum UV Index (UVI) for Kamakura 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 Kamakura typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111111110754
Data source: Kamakura 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 Kamakura

August in Kamakura, Japan, shines with a brilliant 297 hours of sunshine, making it the sunniest month of the year. This peak contrasts sharply with the chilly winter months, where sunlight dwindles to just 187 hours in January. As spring unfolds, the days grow brighter, with March to May showcasing a steady rise, culminating in a vibrant 286 hours in May. Even as summer approaches, July sees a slight dip to 249 hours, but August takes the lead, providing ample warmth and bright skies. Following this sun-soaked month, September's daylight hours retreat modestly to 239, foreshadowing the gentle decline into autumn. The overall trend reflects a year where Kamakura dances between light and shadow, celebrating the sun’s generous embrace during its summer peak.

Monthly Sunshine Duration in Kamakura: August Highlighted

The August sunshine duration represents the total number of hours Kamakura 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h224h255h269h286h262h249h297h239h205h226h226h
Data source: Kamakura August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kamakura During August

In Kamakura, Japan, August brings a moderate probability of sunny weather, with a 38% chance of sunshine. This month experiences a slight uptick compared to the earlier summer months, as July holds a mere 35% likelihood of sun. However, both August and July fall below the yearly average, revealing a trend where late summer months tend to have more overcast conditions. As you approach autumn, the chance of clear skies increases, peaking in December with 67% sunshine. Thus, while August may not promise abundant sunshine, it still offers a beacon of hope for those seeking warmth and blue skies before the fall sets in.

Percentage of Sunny Days in August in Kamakura

The chart illustrates the percentage of sunny days in Kamakura 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 Kamakura experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%64%41%49%24%25%35%38%29%48%62%67%
Data source: Kamakura August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kamakura in August

In Kamakura, Japan, the daylight duration follows a captivating seasonal rhythm throughout the year. As winter transitions into spring, daylight gradually increases, reaching a delightful 14 hours in the vibrant month of May. This extended brightness is maintained through June and July, offering long, sun-soaked days perfect for enjoying the picturesque landscapes. However, as August arrives, daylight begins to taper off slightly to 13 hours, signaling the onset of late summer. The trend continues into autumn, with daylight reducing steadily to 12 hours in September and further diminishing to 10 hours by November. This ebb and flow of sunlight not only highlights the beauty of each season but also invites residents and visitors alike to seize the opportunity to explore Kamakura's natural and cultural wonders.

Average Daylight Hours in Kamakura for August

The chart illustrates the variation in daylight duration in Kamakura throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 4m14h 1m14h 29m14h 15m13h 26m12h 22m11h 16m10h 18m9h 48m
Data source: Kamakura daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kamakura

In Kamakura, Japan, the August winds present a gentle breath of air, averaging 5.0 m/s (11 mph). This month showcases a slight uptick from the languid summer breezes of July and June, where wind speeds dipped to 3.3 m/s (7 mph) and 3.7 m/s (8 mph), respectively. However, as the region transitions into September, the winds regain their strength, mirroring the steadier patterns seen in the earlier months of the year. Notably, from January through May, wind speeds consistently hover around 5.2 to 5.8 m/s (12 to 13 mph), creating an inviting atmosphere for beachgoers and outdoor enthusiasts. This blend of seasonal softness and inviting currents makes August an enchanting time to experience the coastal charm of Kamakura.

Average August Wind Speed in Kamakura

The chart displays monthly wind speed patterns in Kamakura, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.35.85.45.25.33.73.35.0 m/s5.25.45.35.4
Data source: Kamakura August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kamakura Compares to Other Months

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

In August, temperatures are warm with a minimum of 21°C (70°F) and averaging around 27°C (80°F), peaking at 31°C (87°F). The month typically experiences high humidity levels at 90% and receives considerable rainfall, totaling 129 mm (5.1 in) over 12 days. In contrast, January presents a much cooler climate, featuring temperatures ranging from a low of 1°C (34°F) to an average of 8°C (47°F) and a maximum of 18°C (64°F). This winter month sees significantly less precipitation, with only 64 mm (2.5 in) over about 6 days, and a lower humidity level of 76%. For more details, you can check Kamakura weather in January.

August and February showcase stark differences in weather patterns. In August, temperatures soar with a minimum of 21°C (70°F) and an average of 27°C (80°F), reaching a maximum of 31°C (87°F). This month is also characterized by high humidity levels at 90% and significant rainfall, totaling 129 mm (5.1 in) over about 12 days. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 2°C (36°F) to an average of 8°C (47°F), peaking at a maximum of 17°C (63°F). Precipitation is lighter in February, amounting to 62 mm (2.4 in) over 8 days and with lower humidity at 74%. For more detailed information, check out Kamakura weather in February.

August and March present contrasting weather conditions. In August, temperatures are notably warmer, with averages around 27°C (80°F) and highs reaching 31°C (87°F), while humidity remains high at 90%. This month also sees significant rainfall, totaling 129 mm (5.1 in) spread over 12 days. In contrast, March features much cooler weather, with average temperatures around 11°C (52°F) and a maximum of 19°C (66°F). Although March experiences slightly higher precipitation at 172 mm (6.8 in) over the same number of days, the humidity is more moderate at 70%. For more details, you can refer to Kamakura weather in March.

August and April present quite distinct weather patterns. In August, temperatures are significantly warmer, with a minimum of 21°C (70°F) and an average of 27°C (80°F), peaking at 31°C (87°F). The month also experiences high humidity at 90%, along with substantial rainfall totaling 129 mm (5.1 in) spread over 12 days. In contrast, April offers a cooler climate, characterized by a minimum temperature of 6°C (43°F) and a maximum of 21°C (70°F), with an average of 14°C (58°F). Although it experiences slightly higher precipitation at 141 mm (5.5 in), the humidity remains lower at 74%. For a detailed look at the weather trends in April, check out Kamakura weather in April.

In comparing the weather of August and May, we see notable differences in temperature and humidity. August generally presents warmer conditions with average temperatures reaching 27°C (80°F) and maximums peaking at 31°C (87°F), while May tends to be cooler, with average highs of only 23°C (74°F). Additionally, August has higher humidity levels at 90%, contributing to a more oppressive feel compared to May's more comfortable 81%. Despite August receiving slightly less precipitation overall, with 129 mm (5.1 in) over 12 days, May experiences a bit more rain at 148 mm (5.8 in) across 11 days. For more detailed information, you can check Kamakura weather in May.

In comparing the weather between June and August, we see a clear shift in temperatures and precipitation patterns. August tends to be warmer, with average temperatures reaching 27°C (80°F) and maximums hitting 31°C (87°F), while June has cooler averages of 21°C (70°F) with a maximum of 26°C (79°F). Additionally, August experiences lower rainfall at 129 mm (5.1 in) over 12 days, compared to June's higher precipitation of 197 mm (7.8 in) over 13 days. Despite the difference in rainfall, both months maintain high humidity levels, with August slightly higher at 90% compared to June's 88%. For more detailed information, you can visit Kamakura weather in June.

When comparing the weather in August to July, it's evident that August is typically warmer and slightly drier. The minimum temperature in August is 21°C (70°F), compared to July's 19°C (66°F), with average highs reaching 31°C (87°F) in August versus 28°C (83°F) in July. However, July experiences significantly more precipitation at 226 mm (8.9 in) over 17 days, while August has 129 mm (5.1 in) on 12 days. Humidity levels remain relatively high in both months, with August at 90% and July slightly higher at 93%. For a more detailed look at July's weather, you can visit Kamakura weather in July.

In comparing the weather of August and September, we see a notable shift in temperature and precipitation patterns. August typically enjoys warmer temperatures, with a minimum of 21°C (70°F) and maximum reaching 31°C (87°F), while averaging around 27°C (80°F). However, it also features high humidity at 90% and considerable rainfall of 129 mm (5.1 in) spread over 12 days. In contrast, September experiences slightly cooler temperatures, with a minimum of 18°C (65°F) and a maximum of 29°C (84°F), averaging 24°C (75°F). Although humidity remains high at 86%, September tends to be wetter, receiving 208 mm (8.2 in) of precipitation over 17 days. For more detailed information on September weather, you can visit Kamakura weather in September.

August and October present quite different weather patterns. In August, temperatures are significantly warmer, with a minimum of 21°C (70°F) and an average of 27°C (80°F), peaking at a maximum of 31°C (87°F). Humidity is notably high at 90%, and the month sees about 129 mm (5.1 in) of precipitation over roughly 12 days. In contrast, October brings cooler temperatures, with a minimum of 13°C (56°F) and an average of 20°C (68°F), reaching a maximum of 26°C (79°F). However, October is also wetter, experiencing 303 mm (11.9 in) of rainfall across 17 days, while maintaining a lower humidity level of 83%. For more detailed information, you can check Kamakura weather in October.

August and November present a stark contrast in weather conditions. In August, temperatures peak at an average of 27°C (80°F), with highs reaching up to 31°C (87°F), while the humidity remains high at 90%. This month also experiences significant rainfall, totaling 129 mm (5.1 in) over 12 days. In contrast, November brings cooler temperatures, with an average of 15°C (60°F) and maximums of only 21°C (71°F). The precipitation slightly decreases to 111 mm (4.4 in) across the same number of rainy days, and humidity drops to 80%. For a closer look at November's weather patterns, you can explore Kamakura weather in November.

August and December exhibit striking contrasts in weather. August boasts warm temperatures, with a minimum of 21°C (70°F) and an average of 27°C (80°F), peaking at 31°C (87°F). The month is marked by high humidity at 90% and significant precipitation, totaling 129 mm (5.1 in) over 12 days. In contrast, December experiences much cooler conditions, with temperatures ranging from a low of 3°C (37°F) to an average of 11°C (52°F) and a maximum of 21°C (69°F). This month has lower humidity at 78% and less rainfall, with 82 mm (3.2 in) occurring over 11 days. For more detailed information on December weather, visit Kamakura weather in December.

Compare Kamakura's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kamakura

August in Kamakura brings a hot and humid climate, with temperatures peaking at 31°C and an average of 27°C, making it significantly warmer than the spring and fall months. Although it’s a lively time to visit, be prepared for occasional rain, with 12 days of precipitation totaling 129 mm. This month stands out for its intense humidity, often reaching around 90%, which can make the heat feel even more intense. If you're interested in knowing more about the overall climate patterns throughout the year, check out Kamakura Climate.