Last updated: August 21, 2025
Experience the summer charm of Numazu, Japan in August, where the weather offers a delightful blend of warmth and humidity. With maximum temperatures reaching 31°C (89°F) and an average of 26°C (80°F), visitors can enjoy balmy days, albeit with a minimum of 21°C (70°F) during the cooler nights. August is also characterized by a notable precipitation total of 223 mm (8.8 in), spread over 16 days, adding a refreshing touch to the air. Expect a high humidity level of 90%, which enhances the tropical feel, making Numazu an inviting destination for summer adventures and scenic explorations.
In August, Numazu, Japan, basks in the warmth of summer, with temperatures reflecting the peak of the season. The minimum temperature settles at a comfortable 21°C (70°F), while the average climbs to a balmy 26°C (80°F), peaking at 31°C (89°F) on the hottest days. This pattern showcases a notable increase from the preceding months, where both June and July start to hint at the warmth but remain slightly cooler. As August progresses, the city embraces a tropical feel, enticing residents and visitors alike to enjoy outdoor activities under the sun. The transition into September brings a slight drop, yet August remains firmly entrenched as the highlight of Numazu's warm-weather months, embodying the essence of a vibrant summer.
In August, Numazu experiences a notable shift in precipitation dynamics, with an average of 223 mm (8.8 in) of rainfall spread over 16 days. This marks a significant decrease from the intense deluge of July, which saw a staggering 437 mm (17.2 in) across 21 days. The transition into late summer showcases a more moderate yet consistent pattern of rainfall, aligning with the region's overall trend of fluctuating precipitation as the year progresses. Following August, the rainfall inches up again in September to 242 mm (9.5 in), demonstrating the cyclical nature of the monsoon-like conditions that characterize this beautiful coastal area of Japan.
August in Numazu, Japan, is characterized by high humidity, averaging around 90%. This month follows the peak of a steamy July, which sees humidity soaring to 93%. As summer transitions into fall, August's humidity remains substantial but slightly eases compared to July, blending the swelter of summer with a hint of the upcoming coolness of autumn. The trend shows a steady increase in humidity through the warmer months, peaking in the summer before gradually tapering off in September and October. This pattern of elevated humidity not only defines the climate of Numazu during these months but also adds a lush vibrancy to the region's flora, making it a picturesque, albeit muggy, destination at the height of summer.
In August, Numazu, Japan experiences an extreme UV Index of 11, requiring careful sun protection with a burn time as short as 10 minutes for unprotected skin. This trend of high UV exposure continues from July's peak at 12 and slightly decreases in September to 10, yet remains significant. Throughout the summer months, from May to August, residents and visitors alike should stay vigilant against the sun's rays, which peak in intensity during these warm days. To learn more about daily UV exposure and safety tips, visit Numazu UV Index.
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In August, Numazu basks in an impressive 285 hours of sunshine, marking it as one of the sunniest months of the year. This vibrant peak in sunlight follows a trend of gradually increasing hours from January's 189 all the way to May's 282. After a slight dip in July, where the sun was a bit shy with 229 hours, August bursts forth with radiant skies, further emphasizing the region's warm summer climate. As the year progresses into September, the sunshine begins to recede to 236 hours, signaling the slow transition toward the cooler months but still keeping the spirit of summer alive just a little longer.
In August, the likelihood of sunny weather in Numazu, Japan, stands at 35%, marking a slight increase from the damp days of June and July, which saw chances plummet to 24% and 31%, respectively. The summer season typically brings warmer temperatures, yet August's sun probability remains modest. Notably, the surrounding months—July through September—exhibit a similar trend, hovering between 31% and 33%, suggesting that while summer sunshine is sought after, Numazu often balances sunny spells with the potential for cloudier skies. As the year transitions into the fall months, particularly October and November, residents can expect a resurgence in sunny days, with probabilities rising to 47% and 63% respectively, offering a delightful contrast to August's mixed weather.
In Numazu, Japan, the daylight duration exhibits a captivating rhythm throughout the year. As winter fades into spring, daylight gradually stretches from 10 hours in January to 11 hours by March, providing a refreshing increase that heralds the arrival of warmer days. This trend continues into the heart of spring and summer, peaking at 14 hours in May through July, when the days are longest and sunlit adventures abound. However, as August approaches its close, the daylight begins to wane slightly, settling to 13 hours. This gentle decline marks the transition into autumn, where the daylight gradually recedes, culminating in 10 hours by November, as the serene cadence of nature prepares for winter's embrace. The seamless ebb and flow of daylight hours in Numazu beautifully reflect the changing seasons.
In August, Numazu experiences a gentle average wind speed of 3.2 m/s (7 mph), which aligns with both September and October’s breezy conditions. This stability in wind patterns reflects a smooth transition from the more turbulent gusts of winter and spring, where speeds fluctuate notably between 4.2 m/s (January) and a low of 2.2 m/s (June). As summer wanes, the winds tend to calm slightly, fostering a serene atmosphere perfect for outdoor activities. Interestingly, while June and July see the calmest winds at 2.2 m/s and 2.4 m/s, August marks a resurgence towards more moderate breezes, offering a pleasant respite before the stronger autumn winds pick up as the year progresses.
Weather in Numazu varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Numazu, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January offer starkly contrasting weather conditions. In August, temperatures soar with minimums around 21°C (70°F) and averaging 26°C (80°F), peaking at a hot 31°C (89°F). This month also experiences high humidity levels at 90% and substantial rainfall, totaling 223 mm (8.8 in) over 16 days. In contrast, January brings much cooler temperatures, with a minimum of 0°C (32°F) and an average of 8°C (46°F), reaching a maximum of 17°C (62°F). The precipitation is significantly lower at 71 mm (2.8 in), spread over just 6 days, making January feel drier, albeit less humid at 76%. For a closer look at what to expect in January, check out Numazu weather in January.
August and February present stark contrasts in weather conditions. August sees warm temperatures, with an average of 26°C (80°F) and highs reaching 31°C (89°F), accompanied by high humidity levels of 90%. In contrast, February is much cooler, with an average temperature of just 8°C (46°F) and maximums peaking at only 17°C (63°F). Additionally, February experiences significantly lower precipitation, totaling 99 mm (3.9 in) over about 8 days, compared to August’s 223 mm (8.8 in) across 16 days. For a detailed look at February conditions, you can check Numazu weather in February.
August and March present distinctly contrasting weather conditions. In August, temperatures soar, ranging from a minimum of 21°C (70°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). The air is often humid, with a remarkable humidity level of 90%. Precipitation is significant, occurring over 16 days, totaling 223 mm (8.8 in). In contrast, March experiences much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 19°C (67°F), averaging just 11°C (52°F). Although the total precipitation is slightly less at 219 mm (8.6 in), it falls over only 13 days, with a more moderate humidity of 70%. For more specific details, you can check Numazu weather in March.
When comparing the weather in August and April, notable differences emerge. August tends to be significantly warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 31°C (89°F), while April is much cooler, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 22°C (72°F). Although both months receive substantial rainfall, August has a higher precipitation total of 223 mm (8.8 in) over 16 days, compared to April's 226 mm (8.9 in) over just 11 days. Furthermore, humidity levels in August soar to 90%, making it a more humid month than April, which has a humidity level of 74%. For more specific details on April weather, check out Numazu weather in April.
In comparing the weather between May and August, August tends to be significantly warmer, with average temperatures ranging from a low of 21°C (70°F) to a high of 31°C (89°F), while May experiences milder conditions, from a minimum of 12°C (53°F) to a maximum of 24°C (76°F). August also sees higher humidity levels at 90%, compared to May's 81%, making it feel more uncomfortable during peak temperatures. Interestingly, while August receives a high amount of rainfall, totaling 223 mm (8.8 in) over 16 days, May has slightly more precipitation at 236 mm (9.3 in) spread over just 12 days. For more detailed information about May weather, you can visit Numazu weather in May.
When comparing the weather in August and June, we see notable differences in temperature and precipitation. August tends to be warmer, with minimum temperatures around 21°C (70°F) and averages reaching 26°C (80°F), peaking at 31°C (89°F). In contrast, June has cooler temperatures, starting at a minimum of 16°C (62°F) and averaging 21°C (70°F), with a maximum of 26°C (80°F). Although August experiences lower precipitation at 223 mm (8.8 in) over 16 days compared to June’s 286 mm (11.3 in) over the same number of days, June remains slightly more humid at 88% as opposed to August's 90%. For more detailed information about June weather, visit Numazu weather in June.
In comparing the weather between July and August, we observe a slight increase in average temperature from July's 24°C (76°F) to August's 26°C (80°F). While both months share a maximum temperature of 31°C (87°F), August has higher minimum temperatures at 21°C (70°F) compared to July's 19°C (67°F). However, August is significantly wetter, with 223 mm (8.8 in) of precipitation over 16 days, compared to July's 437 mm (17.2 in) over 21 days, suggesting that July is the wetter month despite slightly lower average temperatures. Humidity levels are also quite high in both months, with August at 90% and July at 93%. For more details on the weather conditions of July, you can visit this link: Numazu weather in July.
August and September exhibit noticeable shifts in weather patterns. In August, the temperatures range from a minimum of 21°C (70°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). This month is characterized by high humidity at 90% and considerable precipitation, totaling 223 mm (8.8 in) over 16 days. In contrast, September brings a slight dip in temperature, with a minimum of 17°C (63°F), an average of 24°C (75°F), and a maximum of 30°C (85°F). While September experiences slightly more rainfall at 242 mm (9.5 in) over 17 days, the humidity decreases to 86%. For a detailed look at September weather, visit Numazu weather in September.
In August, the weather is characterized by warmer temperatures, with minimums around 21°C (70°F) and maximums reaching up to 31°C (89°F), while the average temperature hovers around a steamy 26°C (80°F). This month also sees considerable rainfall, with a total of 223 mm (8.8 in) over 16 days, contributing to high humidity levels of 90%. In contrast, October presents a cooler climate, with minimum temperatures dropping to 13°C (55°F) and maximum temperatures peaking at 27°C (81°F), yielding an average of 19°C (67°F). Despite experiencing higher total precipitation of 296 mm (11.6 in) over the same number of days, October's humidity is slightly lower at 83%. For a more detailed insight into the weather specifics, you can visit Numazu weather in October.
In August, the weather is characterized by warm temperatures, with daily averages around 26°C (80°F) and highs reaching up to 31°C (89°F), accompanied by high humidity levels at 90%. Rainfall is frequent, with precipitation on 16 days totaling 223 mm (8.8 in). In contrast, November sees a notable drop in temperatures, with minimums around 6°C (43°F) and comfortable averages of 15°C (59°F), peaking at 22°C (71°F). The month is drier, receiving only 102 mm (4.0 in) of precipitation over 10 days, and lower humidity at 80%. For more insights into November weather, you can check Numazu weather in November.
Comparing the weather in August and December reveals a striking contrast. In August, temperatures are notably warmer, with averages around 26°C (80°F) and highs reaching up to 31°C (89°F). This summer month also experiences significant humidity at 90% and considerable rainfall, totaling 223 mm (8.8 in) over 16 rainy days. In contrast, December brings much cooler temperatures, with averages of just 10°C (51°F) and a maximum of 19°C (67°F). The precipitation drops to 84 mm (3.3 in) over 8 days and humidity levels decrease slightly to 78%. For more detailed information on December weather, you can visit Numazu weather in December.
August in Numazu brings a unique blend of warmth and moisture, setting it apart from the cooler months of the year. With its maximum temperatures reaching 31°C, the days are undeniably hot, often accompanied by high humidity levels that can make the air feel even warmer. Unlike the drier seasons, August also sees increased rainfall, with frequent storms contributing to a total precipitation of 223 mm over 16 days. This combination of heat and humidity fosters a vibrant, lush environment, but it also calls for visitors to stay hydrated and prepared for the occasional downpour. Discover more about what to expect throughout the year at Numazu Climate.