Last updated: August 21, 2025
In April, the coastal city of Atami, Japan experiences a pleasant transition into spring, with temperatures ranging from a maximum of 24°C (76°F) to a cool 3°C (38°F) at night. The average temperature hovers around a comfortable 14°C (57°F), making it an inviting time for visitors. However, be prepared for some rain, as the month sees approximately 168 mm (6.6 in) of precipitation spread across 11 days. With an average humidity level of 74%, the atmosphere can feel moist, enhancing the lush beauty of this popular hot springs destination.
In April, Atami, Japan, experiences a delightful transition into spring, showcasing a notable uptick in temperatures. The month starts with a minimum of 3°C (38°F) and soars to a pleasant max of 24°C (76°F), leading to an average temperature of 14°C (57°F). This gentle warmth marks a significant rise from the cooler months preceding it; for instance, the average temperature in March was just 11°C (51°F). As flowers begin to bloom, April's temperatures signal the end of winter's chill, making it an ideal time to enjoy the beauty of Atami's cherry blossoms and the soft breezes from the coast. The steady climb in temperatures foreshadows the approaching summer months, where the heat continues to intensify.
In April, Atami, Japan experiences a significant amount of rainfall, with 168 mm (6.6 in) of precipitation spread over 11 days. This marks a slight decline from the previous month’s exceptionally high total of 196 mm (7.7 in) in March, but still maintains the trend of increased precipitation typical for spring. The transition into April sees the average number of rainy days tapering off slightly compared to the intense early spring conditions, as nature prepares for the upcoming warmer months. Despite the reduction, April's rainfall remains robust, reflecting the region's dynamic weather patterns and setting the stage for the lush greenery that will characterize the landscape in the following months.
In April, Atami experiences a humidity level of 74%, a slight increase from March's 70%. This marks a transitional period as the city bids farewell to the cooler months. As the temperatures begin to rise, we see a gradual uptick in humidity, which will continue to climb through May and peak in the warm summer months. Overall, April reflects the changing seasons, with humidity levels remaining relatively moderate yet hinting at the more humid days to come, particularly in the vibrant summer months of July and August, where humidity soars to an impressive 93% and 90%, respectively.
In April, Atami, Japan, experiences a significant rise in UV exposure, with the UV Index soaring to 10, classified as very high, requiring only 15 minutes of sun exposure before the risk of burns escalates. This trend mirrors the increasing UV levels observed in March, which reached an index of 8, yet clearly indicates a sharper rise as spring progresses. With UV Index values escalating further into the summer months, peaking at 11 in May and June, it's essential for residents and visitors alike to take necessary precautions. As the sun becomes more intense, understanding this trend is vital for safe outdoor activities. For more detailed information, you can check the Atami UV Index.
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As April unfolds in Atami, Japan, it ushers in a delightful surge of sunshine, bringing a total of 260 hours of radiant daylight. This marks a steady increase from the previous months, with March’s 249 hours paving the way for brighter days ahead. The trend of increasing sunlight continues into May, where the total climbs even higher to 282 hours, showcasing a vibrant spring atmosphere. April stands out not just as a precursor to the warmer months, but also as a time when the landscape begins to flourish, reflecting the uplifting energy that longer days provide. This gradual ascension in sunshine hours emphasizes the charm of Atami’s spring, making it a perfect setting for outdoor exploration and serene sea views.
In Atami, Japan, April brings a moderate 48% chance of sunny weather, marking a slight decline from March's 39% but still higher than the upcoming months, particularly May, which dips to 25%. As spring unfolds, the likelihood of sunshine remains quite appealing compared to the soggy summer ahead, characterized by lower percentages in June (22%) and July (30%). This trend underscores April as a transitional month, balancing lingering winter conditions with the gradual approach of summer, making it a delightful time to enjoy Atami's scenic beauty before the heat of the season sets in.
As spring unfolds in Atami, Japan, April brings a delightful surge in daylight, with the sun gracing the sky for 13 hours. This increase signifies a break from the shorter winter days, as the region transitions from just 10 hours of daylight in January and February to a vibrant 11 hours in March. Following April, daylight continues to lengthen, peaking in the summer months of May and June with 14 hours. This pattern creates a rhythm where the days gradually brighten, enhancing the beauty of Atami's coastal landscape and inviting outdoor adventures. As the year progresses, daylight gradually recedes, but April stands as a key marker of renewal and warmth, embodying the essence of spring.
In Atami, Japan, the April winds bring a gentle breeze with an average speed of 2.8 m/s (6 mph), slightly higher than the preceding months of March. This transition hints at the arrival of spring, as the winds come alive, inviting residents and visitors alike to enjoy the blossoming scenery. Notably, January and February experience the strongest winds of the year, while the summer months of June and July show a significant drop, with calming breezes at just 2.0 m/s (4-5 mph). As the year progresses, the winds tend to stabilize around a pleasant 2.9 m/s (7 mph) during late summer and fall, creating a serene atmosphere ideal for seaside strolls and relaxation. These patterns reflect the tranquil yet dynamic nature of Atami's climate, making April an especially delightful month to embrace the refreshing coastal air.
Weather in Atami varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Atami, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April and January, there are notable differences in temperature and precipitation. April features milder temperatures, with a minimum of 3°C (38°F) and an average of 14°C (57°F), leading up to a maximum of 24°C (76°F). In contrast, January is considerably cooler, with temperatures ranging from a minimum of -2°C (29°F) to an average of 7°C (44°F) and a maximum of 18°C (64°F). Additionally, April experiences more precipitation, totaling 168 mm (6.6 in) over approximately 11 days, compared to January's 68 mm (2.7 in) across just 5 days. Both months have similar humidity levels, with January at 76% and April at 74%. For a closer look at January weather specifics, check Atami weather in January.
April weather presents a notable transition with significantly warmer temperatures compared to February. While February sees an average temperature of 7°C (45°F) with a maximum of 19°C (67°F), April boasts a much milder average of 14°C (57°F) and a peak reaching 24°C (76°F). Precipitation is also more pronounced in April, with 168 mm (6.6 in) over 11 days, compared to February's 83 mm (3.2 in) over just 8 days. Despite similar humidity levels in both months at 74%, the overall weather in April feels much more conducive to outdoor activities. For more details on February weather conditions, visit Atami weather in February.
In comparing the weather between March and April, April generally has a milder temperature range, with minimums of 3°C (38°F) and maximums reaching up to 24°C (76°F), compared to March's minimum of 1°C (34°F) and maximum of 22°C (72°F). The average temperature in April also rises to 14°C (57°F), nearly 3°C warmer than March's average of 11°C (51°F). However, April experiences slightly more precipitation, with 168 mm (6.6 in) over 11 days, compared to March's 196 mm (7.7 in) over 13 days. Humidity remains consistent, with April at 74% and March at 70%. For a closer look at March's weather specifics, you can check Atami weather in March.
April and May exhibit noticeable differences in weather patterns. In April, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), with an average of 14°C (57°F). The month experiences about 168 mm (6.6 in) of precipitation over 11 days, coupled with a humidity level of 74%. In contrast, May sees a significant rise in temperatures, with a minimum of 9°C (48°F) and a maximum of 28°C (82°F), averaging 18°C (65°F). There is also an increase in precipitation, totaling 194 mm (7.6 in) over 12 days and a higher humidity level of 81%. For a more detailed look at the weather during this month, you can check Atami weather in May.
April and June showcase a significant transition in weather patterns. In April, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), with an average of 14°C (57°F). The month experiences considerable rainfall, with 168 mm (6.6 in) over 11 days and a relative humidity of 74%. In contrast, June brings warmer temperatures, with a minimum of 15°C (59°F) and a peak of 29°C (85°F), averaging 21°C (71°F). However, it also sees increased precipitation, totaling 263 mm (10.3 in) over 17 days, and higher humidity at 88%. For more details, you can check Atami weather in June.
April weather is characterized by mild temperatures, with a minimum of 3°C (38°F) and an average of 14°C (57°F), peaking at a comfortable 24°C (76°F). However, this month also sees considerable rainfall, accumulating to 168 mm (6.6 in) over approximately 11 days, and a humidity level of 74%. In contrast, July brings significantly warmer conditions, with temperatures ranging from a minimum of 18°C (65°F) to an average of 25°C (77°F), and highs reaching up to 33°C (92°F). The precipitation increases even further in July, with 326 mm (12.8 in) spread across 19 days, and humidity rising to a notable 93%. For a more in-depth look at what to expect, check out Atami weather in July.
April and August exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), averaging around 14°C (57°F), while humidity levels sit at 74%. The month sees significant rainfall, with total precipitation reaching 168 mm (6.6 in) over 11 days. Conversely, August enjoys much warmer weather, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (94°F), averaging 27°C (81°F). This month experiences slightly higher precipitation at 176 mm (6.9 in), but over more days, totaling 17. The humidity also increases to 90%, contributing to a more tropical feel. For more details, check Atami weather in August.
April and September present contrasting weather patterns. In April, temperatures range from a cool minimum of 3°C (38°F) to a comfortable maximum of 24°C (76°F), with an average of 14°C (57°F). However, it is also a notably rainy month, accumulating 168 mm (6.6 in) of precipitation over approximately 11 days, coupled with a humidity level of 74%.
In comparison, September experiences a warmer climate, with temperatures starting at a milder minimum of 15°C (60°F) and peaking at a sweltering 33°C (91°F), resulting in an average temperature of 23°C (74°F). However, it is also the wettest month, receiving 221 mm (8.7 in) of rainfall over about 20 days, and a higher humidity of 86%. For more detailed insights into September's weather, you can check out Atami weather in September.
April and October offer distinct weather experiences, with April starting off cooler and gradually warming up. In April, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), with an average of 14°C (57°F). The month sees considerable rainfall, totaling 168 mm (6.6 in) over approximately 11 days, and boasts a humidity level of 74%. In contrast, October features milder temperatures with a minimum of 11°C (52°F) and a maximum of 29°C (84°F), averaging around 19°C (66°F). It is also the wetter month, receiving 305 mm (12.0 in) of precipitation over about 16 days, and higher humidity at 83%. For those interested in specific details, you can explore more about Atami weather in October.
April and November exhibit comparable temperature ranges, with both months experiencing a minimum of 3°C (38°F) and an average temperature around 14°C. However, April tends to be slightly warmer on average, peaking at 24°C (76°F) compared to November's maximum of 22°C (72°F). Precipitation levels are higher in April, with 168 mm (6.6 in) falling over approximately 11 days, whereas November sees a total of 94 mm (3.7 in) over about 10 days. Interestingly, humidity levels are a bit higher in November at 80% compared to April’s 74%. For more detailed information, you can check out the Atami weather in November.
April and December present notable contrasts in weather conditions. In April, temperatures range from a cool 3°C (38°F) at night to a pleasant 24°C (76°F) during the day, with an average of 14°C (57°F). This month experiences considerable precipitation, totaling 168 mm (6.6 in) over about 11 days, contributing to a humidity level of 74%. In contrast, December is generally cooler, with temperatures dipping to a minimum of 0°C (32°F) and peaking at 21°C (69°F), averaging around 9°C (49°F). It sees significantly less rainfall, with just 74 mm (2.9 in) spread over 8 days, and a slightly higher humidity of 78%. For more details on December's weather, you can visit Atami weather in December.
April in Atami brings a delightful transition from the cool grasp of winter to the warmth of spring, as temperatures frequently reach pleasantly mild levels. With an average temperature hovering around 14°C (57°F), this month stands out for its comfortable daytime warmth, especially compared to the cooler months preceding it. Although April does experience some rainfall, with about 168 mm over 11 days, the atmosphere remains relatively humid at 74%, adding a refreshing touch to the blossoming surroundings. As you explore the vibrant landscapes of Atami during this lively month, you’ll find it to be a refreshing respite ahead of the summer heat. For more insights into seasonal changes and weather patterns, check out Atami Climate.