Last updated: August 21, 2025
In Nikko, Japan, April ushers in a pleasantly mild climate, with maximum temperatures reaching 24°C (76°F), while the average hovers around 8°C (47°F). However, the month can also see cooler spells, dipping as low as -4°C (24°F) at night. April is notable for its frequent precipitation, accumulating to 143 mm (5.6 in) over approximately 15 rainy days. This contributes to a relatively high humidity level of 78%, creating a rich and vibrant atmosphere as nature awakens in this stunning locale. Visitors can expect a mix of sunny days and refreshing showers, perfect for exploring the lush surroundings and experiencing the beauty of spring!
In April, Nikko, Japan, showcases a delightful shift in temperatures as it transitions from the chill of winter to the warmth of spring. With minimums dipping to -4°C (24°F) and average daytime highs reaching a pleasurable 24°C (76°F), this month heralds an inviting climate for outdoor exploration. The average temperature of 8°C (47°F) reflects the awakening of nature, offering a refreshing contrast to the frosty January lows of -12°C (11°F). As cherry blossoms begin to bloom and days grow longer, April serves as a perfect backdrop for visitors to revel in the emerging beauty of the landscape while enjoying milder weather that sets the tone for the warmth of the coming months. Overall, it marks a remarkable transition, encouraging both locals and tourists alike to venture outside and embrace the vibrant spring atmosphere.
In April, Nikko, Japan experiences a notable increase in precipitation, matching March's intensity with 143 mm (5.6 in) of rainfall over 15 days. This consistency in wet weather marks the transition to spring, as the region continues to shed the colder remnants of winter. Compared to February's lighter 53 mm (2.1 in) and even January's 55 mm (2.2 in), April's rains are a clear sign of nature's awakening, paving the way for the lush landscapes that follow. The upward trend in precipitation will culminate in the wetter months ahead, peaking in July with an impressive 345 mm (13.6 in) over the course of 27 days, illustrating the dramatic shift in Nikko’s weather as spring fully takes hold and summer approaches.
In April, Nikko, Japan experiences a noticeable shift in humidity, averaging 78%, which marks a departure from the higher humidity levels of winter and early spring. As the region transitions from the chill of March, where humidity sits at 81%, to the warmer, more humid months ahead, this slight decrease brings a welcomed freshness to the air. Following April, humidity levels rise again, peaking in the summer months at 92% in July and August. This cyclical pattern highlights Nikko's dynamic climate, where the crispness of spring gives way to the lush, humid warmth of summer, providing a delightful contrast for visitors and locals alike.
In April, the UV Index in Nikko, Japan, soars to a striking 9, signaling a very high exposure category that demands attention. This sharp rise from March's index of 8 suggests that spring is in full swing, with sunshine becoming increasingly intense. As outdoor enthusiasts emerge from winter's hibernation, it’s crucial to be mindful, as the burn time remains short at just 15 minutes. This trend of heightened UV levels continues into May, where it peaks at 10, emphasizing the importance of sun protection in this beautiful region. Stay informed and prepared for the season by checking the detailed information on the Nikko UV Index.
UV Risk Categories
As the seasons shift, April ushers in a remarkable 278 hours of sunshine in Nikko, Japan, marking a delightful peak in the spring. This month builds on the 266 hours recorded in March, showing a clear upward trend as days grow longer and warmer. The increasing sunshine continues into May, where daylight reaches 284 hours, making it one of the sunniest months of the year. This upward trajectory contrasts sharply with the gloomier winter months, where January stubbornly holds just 184 hours of sun, highlighting the transformative power of spring. With April's cheerful sunlight paving the way, Nikko transforms into a vibrant canvas, inviting nature lovers to revel in the early blooms and scenic vistas.
In April, Nikko, Japan, enjoys a 45% chance of sunny weather, marking a moderate improvement from March's 33%. This period hints at a transition towards brighter days, especially when considering the previous months where the likelihood of sunshine fluctuated significantly—peaking at 48% in February and dipping to a mere 24% in May. The weather tends to become less predictable as spring progresses into the summer months, with notable declines in sunny days from June onward. Thus, while April provides a favorable window for outdoor activities, the trend suggests that sun-seekers might want to take advantage of this fleeting opportunity before the rains settle in for the summer.
As April arrives in Nikko, Japan, the days grow significantly longer, offering a delightful transition into spring. With approximately 13 hours of daylight, this month marks a striking increase from the 11 hours seen in March. This trend of daylight duration highlights the shift toward sunnier days, paving the way for outdoor adventures and the blooming of vibrant flora. As the month progresses into May, daylight extends even further to 14 hours, reinforcing the feeling of renewal and inviting residents and visitors alike to revel in the longer, sun-filled days.
In April, the winds in Nikko, Japan continue to whisper softly through the charming landscapes, reflecting a consistent average wind speed of 2.3 m/s (5 mph). This gentle breeze mirrors the changing seasons, as spring unfurls its palette of vibrant colors. Compared to the winds of the preceding months, April maintains a stable airflow, offering a sense of calm that invites both exploration and reflection. As temperatures rise and nature awakens, this mild breeze ushers in the beauty of cherry blossoms, enhancing the serene ambiance that Nikko is renowned for. Following April, a gradual decline in wind speed can be observed leading into the warmer months, emphasizing the tranquil, laid-back spirit that characterizes this enchanting region.
Weather in Nikko varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Nikko, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather patterns. In April, temperatures range from a chilly -4°C (24°F) at their lowest to a warm 24°C (76°F) at their peak, with an average of 8°C (47°F). The month also sees significant precipitation, with 143 mm (5.6 in) falling over 15 days, and humidity levels around 78%. In stark contrast, January is much colder with temperatures dipping as low as -12°C (11°F) and reaching a maximum of 9°C (49°F), averaging -2°C (29°F). January also experiences less precipitation, totaling 55 mm (2.2 in) over 11 days, but has a higher humidity level at 88%. For more detailed information about January weather, check this link: Nikko weather in January.
April and February present a noticeable contrast in weather conditions. In February, temperatures range from a chilly minimum of -15°C (5°F) to a mild maximum of 16°C (61°F), with an average of -1°C (30°F), alongside a higher humidity level of 86%. Precipitation is relatively low at 53 mm (2.1 in) spread over 11 days. In comparison, April boasts much warmer temperatures, with a minimum of -4°C (24°F), an average of 8°C (47°F), and a maximum reaching 24°C (76°F). Although April is generally wetter with 143 mm (5.6 in) of rain over 15 days, the humidity slightly decreases to 78%. For more detailed information on February weather, check out Nikko weather in February.
April generally experiences milder temperatures compared to March, with average temperatures rising from 4°C (39°F) in March to 8°C (47°F) in April. The minimum temperature in April is -4°C (24°F), which is significantly warmer than March's low of -11°C (13°F). Both months see similar precipitation levels, with April receiving 143 mm (5.6 in) over 15 days, slightly more than March's 142 mm (5.6 in) across 14 days. Humidity is similar as well, although it remains slightly higher in March at 81%, compared to 78% in April. For a detailed look at the conditions in March, you can check Nikko weather in March.
In comparing the weather of April and May, April tends to have cooler temperatures with a minimum of -4°C (24°F) and an average of 8°C (47°F), while May sees a notable rise, starting at a minimum of 1°C (34°F) and averaging 14°C (57°F). The maximum temperatures in April reach up to 24°C (76°F), but May can be even warmer, peaking at 28°C (82°F). Precipitation is slightly higher in May, with 176 mm (6.9 in) over 18 days, compared to April's 143 mm (5.6 in) over 15 days, and humidity levels also increase marginally from 78% in April to 81% in May. For more specific details about the weather in May, you can visit Nikko weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a minimum of -4°C (24°F) to a maximum of 24°C (76°F), with an average of 8°C (47°F). This month experiences about 143 mm (5.6 in) of precipitation over 15 days, resulting in a humidity level of 78%. In contrast, June sees milder conditions, where temperatures vary from a minimum of 7°C (44°F) to a maximum of 27°C (81°F), with an average temperature of 17°C (63°F). Rainfall increases significantly in June, totaling approximately 225 mm (8.8 in) over 21 days and driving humidity up to 88%. For a deeper dive into the specifics of June weather, you can visit Nikko weather in June.
April and July present stark contrasts in weather patterns. In April, temperatures range from a chilly minimum of -4°C (24°F) to a pleasant average of 8°C (47°F) and can reach a maximum of 24°C (76°F). The month is also relatively wet, with 143 mm (5.6 in) of precipitation over 15 days and an average humidity of 78%. In contrast, July boasts significantly warmer weather with minimum temperatures of 14°C (57°F) and average highs of 21°C (70°F) reaching up to 31°C (88°F). July experiences even more rainfall, totaling 345 mm (13.6 in) spread over 27 days, and the humidity rises to a sticky 92%. For more specific details on July weather, visit Nikko weather in July.
April and August present distinctly different weather patterns. In April, temperatures range from a chilly -4°C (24°F) at their minimum to a pleasant 24°C (76°F) at their maximum, with an average of 8°C (47°F). This month also sees a considerable amount of precipitation, with 143 mm (5.6 in) falling over 15 days, resulting in a humidity level of 78%. Conversely, August boasts much warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching 32°C (89°F), averaging around 23°C (73°F). However, it is also wetter, with 273 mm (10.7 in) of rain occurring over 26 days and higher humidity at 92%. For more detailed insights on the weather, you can visit Nikko weather in August.
April and September present distinct contrasts in weather characteristics. In April, temperatures range from a chilly minimum of -4°C (24°F) to a pleasant average of 8°C (47°F), with afternoons occasionally reaching as high as 24°C (76°F). However, it's a month with significant precipitation, totaling 143 mm (5.6 in) across about 15 days, and humidity levels are at 78%.
Conversely, September experiences milder conditions with minimum temperatures starting at 6°C (43°F) and averaging 18°C (65°F). The maximum temperatures can peak at 29°C (84°F), providing a warmer backdrop. Yet, this month sees even more rainfall, accumulating to 239 mm (9.4 in) over 25 days, and humidity rises to 89%. For more details on September weather specifics, you can check Nikko weather in September.
April and October present quite distinct weather patterns. In April, temperatures range from a chilly minimum of -4°C (24°F) to a comfortable maximum of 24°C (76°F), with an average of 8°C (47°F). The month experiences a moderate level of precipitation at 143 mm (5.6 in) over about 15 days, and humidity sits at 78%. In contrast, October sees higher temperatures, with a minimum of 0°C (33°F) and a maximum of 25°C (78°F), averaging 13°C (55°F). It also experiences significantly more rainfall, totaling 279 mm (11.0 in) over approximately 19 days, and a higher humidity of 87%. For more details on October weather, you can visit Nikko weather in October.
April and November present distinct weather contrasts despite having similar minimum temperatures. In April, temperatures can range from a chilly -4°C (24°F) to a warm 24°C (76°F), with an average of 8°C (47°F). The month is quite wet, with a total precipitation of 143 mm (5.6 in) over approximately 15 days, and humidity levels sit at a moderate 78%. Conversely, November is cooler on average, with highs reaching only 18°C (64°F) and an average temperature of 7°C (44°F). Rainfall is significantly less in November, totaling 61 mm (2.4 in) across just 7 days, but humidity rises to 85%. For a detailed look at the weather conditions in November specifically, check out Nikko weather in November.
In comparing the weather between April and December, we see notable differences in both temperature and precipitation. April enjoys a wider temperature range, with minimums dipping to -4°C (24°F) and maximums reaching a pleasant 24°C (76°F), while averaging around 8°C (47°F). In contrast, December experiences cooler temperatures, with a minimum of -11°C (12°F) and a maximum of only 16°C (61°F), leading to an average of 1°C (34°F).
Precipitation is more abundant in April, totaling 143 mm (5.6 in) over 15 days, compared to December’s 68 mm (2.7 in) over just 11 days. Humidity levels are higher in December at 86%, compared to April’s 78%. This contrast highlights how April brings milder and wetter weather, whereas December tends to be colder and less rainy. For more details, check out Nikko weather in December.
As April unfolds in Nikko, a remarkable transformation occurs in the weather, signaling the arrival of spring. Temperatures rise significantly, offering delightful warmth that contrasts with the chilly remnants of winter. While nights can still be brisk, the days invite visitors to bask in the beauty of blooming cherry blossoms. This month also sees higher humidity and frequent rainfall, with about half the days experiencing some precipitation, a stark shift from the drier winter months. Such a blend of warmth and moisture creates a lush landscape that's perfect for exploring the natural wonders of Nikko. For more detailed information, be sure to check out Nikko Climate.