Last updated: August 21, 2025
In August, Shimoda, Japan experiences a warm climate with maximum temperatures reaching 30°C (87°F) and an average of 26°C (80°F). Nights are pleasantly mild, with temperatures dipping to a minimum of 22°C (71°F). This summer month sees frequent rainfall, totaling 183 mm (7.2 in) over approximately 15 days, contributing to a high humidity level of 90%. Visitors can expect a tropical atmosphere, perfect for enjoying beach activities amidst the lush, verdant surroundings.
In August, Shimoda, Japan, experiences its warmest temperatures of the year, showcasing a delightful transition into late summer. The minimum temperature hovers at a comfortable 22°C (71°F), while the average peaks at a balmy 26°C (80°F), and the maximum can reach up to 30°C (87°F). This month marks a noticeable rise from the warmer months preceding it, reflecting the typical Japanese coastal climate, where the heat remains persistent and inviting. As the sunshine dominates the days, August not only welcomes travelers seeking beachside relaxation but also offers vibrant festivities, making it a perfect time to experience the beauty and culture of Shimoda.
August in Shimoda, Japan, brings a moderate precipitation total of 183 mm (7.2 in), making it one of the wetter months, though significantly less than the peak of 360 mm in July. The rain falls over approximately 15 days, contributing to the region's lush landscapes. This decline from July's intense downpours hints at a transition towards the drier autumn months ahead. Interestingly, while precipitation remains substantial, it marks a shift from the early summer's heavy rainfall, aligning with an overall trend of reducing precipitation as the year progresses into September, where totals rise again to 254 mm (10.0 in) over 19 days.
In August, Shimoda, Japan experiences a humidity level of 90%, marking a peak during the summer months. This month is characterized by the lingering warmth of July, which boasts the highest humidity at 93%. As we move towards the end of summer, humidity gradually decreases, with September recording 86%. The trend showcases an overall increase from the cooler winter months, where January starts at 76% and gradually rises, reaching a high during the summer. The fluctuating humidity levels highlight Shimoda's unique climate, where summer's moisture-laden air creates a lush, vibrant environment. As autumn approaches, humidity begins to taper off, preparing for the quieter months ahead.
As summer peaks in August in Shimoda, Japan, the UV Index remains at a striking 11, categorized as extreme, with a burn time of just 10 minutes. This marks a slight decrease from the even higher levels recorded in July, where the UV index reached 12. Overall, the trend from May to August highlights a persistently intense UV exposure, urging residents and visitors alike to take precautions against sunburn and skin damage. As you enjoy the beautiful summer days in Shimoda, make sure to stay protected from the sun's rays. For more detailed information, visit the Shimoda UV Index.
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August shines as the sunniest month in Shimoda, Japan, basking in a remarkable 311 hours of sunlight. This peak in brightness stands in stark contrast to the year's cooler months, where sunlight gradually accumulates from 190 hours in January to a vibrant 292 hours in May. The summer months contribute generously, with June and July averaging around 267 hours, but it’s August that truly steals the show. As the seasons shift into autumn, September sees a decline to 254 hours, and the sunlight tapers off further into October with 214 hours. This transition paints a vivid picture of Shimoda's climatic rhythm, where summer glory gives way to the gentle embrace of fall.
In August, the likelihood of sunny weather in Shimoda, Japan is fairly modest at 37%, which aligns with the overall trend of summer months where sunlight can be sporadic. This percentage mirrors the slightly lower chances seen in July but is still considerably illuminating compared to the peaks of winter, which boast up to 72% in December. As you journey through the year, it's clear that while August might not promise an abundance of sunny days, it sits comfortably amidst a transitional season, leading into the more optimistic percentages of early autumn. Embrace the warmth, but pack your umbrella just in case!
In August, Shimoda, Japan, experiences approximately 13 hours of daylight, signaling a slight decline from the longer days of June and July, which each bask in 14 hours of sunlight. This month marks a transitional moment as the summer begins to wane, infusing the days with a balance of warmth and fading brightness. Following the peak of summer, September continues this trend with only 12 hours of daylight, gradually leading us into autumn. The progression of daylight throughout the year reflects a mesmerizing cycle, from the sun-drenched days of summer to the cozy, shorter days of winter, creating a vivid tapestry of seasonal change.
In August, Shimoda, Japan experiences a pleasant shift in wind dynamics, with an average wind speed of 6.0 m/s (13 mph). This mild breeze follows a notable trend of decreasing wind speeds during the peak summer months, as seen from the previous months of June and July, where speeds hovered around 4.3 m/s and 4.4 m/s (10 mph), respectively. As the season progresses towards September, there's a gentle increase to 6.4 m/s (14 mph), suggesting a refreshing transition that heralds the arrival of autumn. Overall, August's winds strike a balance, providing a comfortable environment that complements the beautiful summer days in this coastal paradise.
Weather in Shimoda varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Shimoda, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present strikingly contrasting weather conditions. In August, temperatures are warm, with average highs around 30°C (87°F) and a high humidity level of 90%, making it feel even hotter. This month also experiences significant precipitation, with nearly 183 mm (7.2 in) spread over 15 days, indicating a rainy season. Conversely, January is much cooler, with average temperatures ranging from a low of 1°C (34°F) to a high of 17°C (63°F). Rainfall is lighter in January, totaling 78 mm (3.1 in) over just 7 days, and the humidity drops to 76%. For more detailed insights into January weather, you can visit Shimoda weather in January.
August and February exhibit stark contrasts in weather patterns. In August, temperatures range from a warm minimum of 22°C (71°F) to a high of 30°C (87°F), accompanied by high humidity levels at 90%. The month is also marked by significant rainfall, with 183 mm (7.2 in) spread over 15 days. In contrast, February experiences much cooler temperatures, with a minimum of 2°C (37°F) and a maximum of 18°C (65°F), averaging 9°C (48°F). Precipitation drops to 90 mm (3.5 in) over just 8 days, and humidity is relatively lower at 74%. For more insights into February's climate, you can visit Shimoda weather in February.
The weather in August is characterized by warm temperatures, with an average of 26°C (80°F) and maximum highs reaching 30°C (87°F), making it a hot and humid month with a high humidity level of 90%. In contrast, March offers much cooler conditions, with average temperatures around 12°C (53°F) and highs peaking at 18°C (65°F). Although March can be quite wet, with 203 mm (8.0 in) of precipitation over 14 days, it features lower humidity at 70% compared to the sweltering summer month. For more details, you can check Shimoda weather in March.
When comparing the weather in August and April, the differences are quite pronounced. August boasts significantly warmer temperatures, with an average of 26°C (80°F) and highs reaching up to 30°C (87°F), whereas April only sees a milder average of 15°C (58°F) and highs of around 21°C (70°F). Additionally, August experiences higher humidity levels at 90%, contributing to a sultry atmosphere, while April maintains a more comfortable 74% humidity. Both months receive considerable precipitation, with August totaling 183 mm (7.2 in) across 15 days and April slightly less at 175 mm (6.9 in) over 10 days. For a closer look at April weather specifics in Shimoda, you can visit Shimoda weather in April.
August and May present contrasting weather patterns, with August typically warmer and more humid. In August, temperatures range from a minimum of 22°C (71°F) to a maximum of 30°C (87°F), accompanied by high humidity at 90%. Conversely, May has milder temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (74°F), with a slightly lower humidity level of 81%. Rainfall is also significant in both months, with August receiving 183 mm (7.2 in) over 15 days, while May experiences 222 mm (8.7 in) over 11 days. For more detailed information, you can check Shimoda weather in May.
When comparing the weather in June and August, it's evident that August tends to be warmer, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 30°C (87°F), while June features cooler temperatures from a minimum of 17°C (62°F) to a maximum of 25°C (78°F). Additionally, August receives less rainfall, totaling 183 mm (7.2 in) over 15 days, unlike June, which is significantly wetter, with 300 mm (11.8 in) also spread across 15 days. Humidity levels are slightly higher in August at 90%, compared to 88% in June, creating a muggy atmosphere that characterizes the peak of summer. For more detailed information, you can check Shimoda weather in June.
In comparing the weather of August and July, we see that August tends to be slightly warmer with average temperatures reaching 26°C (80°F), compared to July's average of 25°C (77°F). Both months share a similar maximum temperature of 30°C (87°F), but July experiences slightly cooler minimum temperatures at 20°C (68°F) versus August's 22°C (71°F). Precipitation in August is notably lower at 183 mm (7.2 in) over 15 days, while July is much wetter, receiving 360 mm (14.2 in) across 18 days. Humidity levels are also high in both months, with July being marginally more humid at 93% compared to August's 90%. For more detailed insights, you can check Shimoda weather in July.
August typically experiences warmer temperatures compared to September, with minimum temperatures around 22°C (71°F) and an average of 26°C (80°F), peaking at 30°C (87°F). In contrast, September sees slightly cooler conditions, with minimum temperatures dropping to 18°C (65°F) and an average of 24°C (76°F), reaching a maximum of 29°C (84°F). However, September is marked by increased precipitation, totaling 254 mm (10.0 in) over 19 days, compared to August's 183 mm (7.2 in) across 15 days. Humidity remains high in both months, but is marginally lower in September at 86% compared to August's 90%. For more detailed insights, check out Shimoda weather in September.
August and October present quite different weather patterns, reflecting the transition from summer to autumn. In August, temperatures are warmer, with a minimum of 22°C (71°F) and an average of 26°C (80°F), peaking at a maximum of 30°C (87°F). The month is characterized by high humidity at 90% and significant rainfall, totaling 183 mm (7.2 in) over 15 days. In contrast, October brings cooler temperatures, with a minimum of 14°C (57°F) and an average of 20°C (69°F), reaching a maximum of 26°C (79°F). Although October is cooler, it experiences even higher precipitation, totaling 305 mm (12.0 in) over 16 days, and a lower humidity level at 83%. For a detailed look at October’s weather, you can visit Shimoda weather in October.
August and November present quite contrasting weather conditions. In August, temperatures are warm, ranging from a minimum of 22°C (71°F) to a maximum of 30°C (87°F), with an average of 26°C (80°F). The month is also marked by high humidity at 90% and significant rainfall, totaling 183 mm (7.2 in) over approximately 15 days. In contrast, November brings cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 22°C (72°F), averaging around 16°C (61°F). While it does see some rainfall, the total precipitation is lower at 144 mm (5.7 in) across about 12 days, accompanied by slightly lower humidity at 80%. For a detailed look at November's conditions, visit Shimoda weather in November.
August and December present strikingly different weather patterns. In August, temperatures are notably warmer with a minimum of 22°C (71°F) and an average of 26°C (80°F), reaching a maximum of 30°C (87°F). This month also experiences considerable precipitation at 183 mm (7.2 in) over about 15 days, coupled with high humidity levels at 90%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (69°F), and an average of only 11°C (53°F). Precipitation decreases significantly to 88 mm (3.5 in) across approximately 10 days, and humidity levels drop to 78%. For more detailed insights on December weather specifics, you can visit Shimoda weather in December.
August in Shimoda brings a vibrant summer atmosphere, where temperatures are notably warmer and more humid compared to the rest of the year. With highs reaching up to 30°C, the days are perfect for soaking up the sun, although the average warmth paired with 90% humidity adds a tropical feel that many find invigorating. However, don’t forget your umbrella! With about 15 rainy days and a total of 183 mm of precipitation, August is also one of the wetter months, creating a dynamic interplay of sun and rain. This unique blend of heat and humidity makes it a distinctive time to explore the region’s beauty, but it’s wise to be prepared for sudden summer showers. For further details on Shimoda's climate, check out Shimoda Climate.