Last updated: August 21, 2025
April in Oarai, Japan welcomes spring with a delightful range of temperatures, peaking at a maximum of 23°C (74°F) while settling to an average of 13°C (56°F) and dropping to a refreshing minimum of 3°C (37°F). This month is characterized by a notable precipitation total of 129 mm (5.1 in) over approximately 11 days, making it a relatively wet period. With an average humidity level of 73%, the air feels fresh, enhancing the natural beauty of the blooming landscapes. Overall, April presents a vibrant atmosphere in Oarai, offering a mix of warmth and refreshing spring showers.
In April, Oarai, Japan begins to embrace the full bloom of spring, with temperatures steadily rising from the chill of winter. The mercury typically hovers between a minimum of 3°C (37°F) and a maximum of 23°C (74°F), resulting in an inviting average of 13°C (56°F). This transition marks a notable shift from March, where temperatures were cooler, with the average only reaching 10°C (50°F). As the days lengthen and sunshine becomes more prevalent, outdoor activities become increasingly appealing, making April an ideal time to explore Oarai's coastal beauty. With pleasant warmth enveloping the town, it's no wonder that locals and visitors alike start to shake off their winter layers, welcoming the vibrant life that spring brings.
In April, Oarai, Japan experiences a substantial precipitation total of 129 mm (5.1 in), marking a continuation of the wetter trend established in March. This month aligns with a rise in rainfall days, totaling 11 days, which underscores the onset of the region's spring season. As temperatures warm, the increase in precipitation suggests a transition from the more moderate winter months, where January and February saw only 53 mm and 50 mm respectively. With the rains lasting through the spring and escalating towards the summer—culminating in the highest monthly total of 209 mm in July—April serves as a pivotal point in Oarai's annual weather cycle, setting the stage for both lush landscapes and potential challenges with increased moisture.
April in Oarai, Japan sees a humidity level of 73%, a slight uptick from the lower figures recorded in March. This trend marks the beginning of a gradual increase as the region transitions from the cooler months of winter and early spring. Following April, May brings a noticeable jump to 80%, signaling the start of more humid conditions that peak in the summer months of July and August with levels reaching an impressive 92% and 90%, respectively. Despite April's relatively moderate humidity, it's clear that the landscape is preparing for the more humid and balmy days ahead, setting the stage for the lush growth that characterizes the area's vibrant summer season.
As spring unfolds in Oarai, Japan, the UV Index begins to surge, peaking at an impressive 9 in April, which categorizes it as very high. This marks a significant leap from the 7 recorded in March, indicative of the rapidly increasing sun exposure as warmer days approach. With a burn time of just 15 minutes, it's essential to take precautions, especially for those who enjoy outdoor activities. As we transition into May, the UV Index rises further to 10, maintaining a very high exposure level. This trend emphasizes the importance of protecting your skin from harmful UV rays, a reminder that the sun's intensity can escalate quickly during spring. For more information and daily updates, visit Oarai UV Index.
UV Risk Categories
In April, Oarai, Japan, basks in the glow of 278 hours of sunshine, marking a delightful peak in the spring season. Following a steady ascent from 187 hours in January to 260 hours in March, April's bright days herald the onset of more vibrant weather, drawing visitors and locals alike outdoors. With 283 hours in May hinting at a sun-soaked continuation, it's clear that the months leading into summer are packed with transformative daylight. This trend reinforces Oarai's reputation as a charming destination, where the beauty of spring is heightened by an abundance of sunshine, setting the stage for the warm, leisurely days of summer ahead.
As April unfolds in Oarai, Japan, the likelihood of sunny weather dips slightly to 49%, showing a trend of variability as the region transitions from winter’s clarity to spring’s temperamental skies. Notably, March boasts a robust 41% chance of sunshine, while February leads with a promising 69%, suggesting that the longer days of spring might not always guarantee better weather. In contrast, the numbers suggest that by May, the chances plummet to 23%, highlighting a consistent decrease in sunny days as the rainy season approaches. Overall, although April offers a fair chance for sun, it hints at the unpredictable nature of springtime in this charming coastal town.
As spring unfolds in Oarai, Japan, daylight duration begins to surge, bringing with it a vibrant energy. In April, residents can bask in 13 hours of daylight, a significant increase from the 11 hours seen in March. This upward trend continues into May and June, where daylight peaks at an impressive 14 hours. The gradual extension of daylight during these months not only enhances outdoor activities but also brightens the daily lives of locals. As summer approaches, the long days maintain a steady glow, before gradually receding in the later months of the year. This seasonal shift fosters a rhythm of light and life that characterizes the changing landscape of Oarai throughout the year.
As April ushers in a gentle shift in the breeze, Oarai, Japan experiences a notable increase in average wind speed, reaching 4.7 m/s (10 mph)—the highest since the winter months. This subtle rise from March's 4.2 m/s (9 mph) signals the arrival of spring, inviting locals and visitors alike to revel in the invigorating air that dances along the coastline. Following April, the wind begins to mellow into late spring and summer, with May seeing a decrease to 3.9 m/s (9 mph) and June dropping further to 3.2 m/s (7 mph). This trend showcases how the invigorating gusts of early spring transition into the calmer days of summer, creating a beautifully fluid rhythm in Oarai's climate that enhances its charm during this season of renewal.
Weather in Oarai varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oarai, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather patterns. In January, temperatures range from a chilly minimum of -3°C (27°F) to a maximum of 15°C (60°F), with an average of 6°C (43°F). This month typically experiences less rainfall, totaling 53 mm (2.1 in) over about 6 days, and boasts a humidity level of 76%. In contrast, April features milder temperatures, with a minimum of 3°C (37°F) and a maximum of 23°C (74°F), averaging around 13°C (56°F). The precipitation increases significantly to 129 mm (5.1 in) across approximately 11 days, while humidity is slightly lower at 73%. Overall, April offers a more temperate climate, whereas January is marked by colder conditions. For further details on January weather, visit Oarai weather in January.
April generally presents a more mild and inviting climate compared to February. With average temperatures ranging from a low of 3°C (37°F) to a high of 23°C (74°F), April offers a warmer experience, while February's cooler temperatures hover between -1°C (30°F) and a maximum of 18°C (65°F). Additionally, April sees significantly more precipitation at 129 mm (5.1 in) over 11 days, compared to February's 50 mm (2.0 in) over 8 days. Although humidity levels are similar in both months, April's higher average temperature creates a distinctly fresher and more pleasant atmosphere. For more details on February's weather, you can check out Oarai weather in February.
April generally experiences milder temperatures compared to March, with minimums rising from 0°C (33°F) in March to 3°C (37°F) in April. The average temperature also increases from 10°C (50°F) in March to 13°C (56°F) in April, and the maximum temperature climbs from 20°C (69°F) to 23°C (74°F). Interestingly, despite April being warmer, it sees slightly less precipitation, totaling 129 mm (5.1 in) compared to March's 150 mm (5.9 in), although both months have rainfall on about 11 days. Humidity remains comparable, with April at 73% and March at 72%. For more detailed insights about March’s weather, you can check Oarai weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly 3°C (37°F) at night to a comfortable 23°C (74°F) during the day, with an average of 13°C (56°F). Rainfall is significant, with 129 mm (5.1 in) recorded over 11 days, accompanied by a humidity level of 73%. In contrast, May brings warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 27°C (82°F), averaging at 18°C (65°F). While May sees slightly more precipitation at 143 mm (5.6 in) over 12 days, humidity also rises to 80%. For a closer look at what to expect, check out Oarai weather in May.
April and June present a striking contrast in weather patterns. In April, temperatures range from a chilly 3°C (37°F) at night to a pleasant 23°C (74°F) during the day, with an average of 13°C (56°F). The month experiences significant precipitation, totaling 129 mm (5.1 in) over 11 days, coupled with a moderate humidity level of 73%. By June, temperatures rise significantly, with minimums of 15°C (58°F) and daytime highs reaching up to 30°C (86°F), resulting in an average temperature of 21°C (70°F). June also sees an increase in rainfall to 155 mm (6.1 in) over 14 days, along with a higher humidity level of 87%. For more information, check out Oarai weather in June.
April and July present quite contrasting weather patterns. In April, temperatures range from a cool minimum of 3°C (37°F) to a pleasant maximum of 23°C (74°F), with an average of 13°C (56°F); however, the month is marked by notable rainfall, accumulating 129 mm (5.1 in) over 11 days and maintaining a humidity level of 73%. In stark contrast, July features a much warmer climate, with minimum temperatures starting at 19°C (66°F) and peaking at a sweltering 31°C (89°F), resulting in an average of 24°C (76°F). July is also wetter, with 209 mm (8.2 in) of precipitation spread across 19 days and a higher humidity of 92%. For a detailed overview of July weather, you can check Oarai weather in July.
April and August present contrasting weather patterns, highlighting the transition from spring to summer. In April, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant average of 13°C (56°F), peaking at a maximum of 23°C (74°F). The month sees considerable precipitation, totaling 129 mm (5.1 in) over 11 days, with a humidity level of 73%. In stark contrast, August boasts much warmer temperatures, with a minimum of 19°C (67°F), an average of 26°C (80°F), and highs reaching 33°C (92°F). While it experiences slightly less rainfall at 109 mm (4.3 in) over 13 days, August has a higher humidity level of 90%. For a closer look at August weather, you can visit Oarai weather in August.
April and September showcase distinct weather patterns that highlight the transition between spring and early autumn. In April, temperatures range from a cooler minimum of 3°C (37°F) to a comfortable maximum of 23°C (74°F), with an average of 13°C (56°F). Spring showers bring 129 mm (5.1 in) of precipitation over 11 days, coupled with a humidity level of 73%. In contrast, September features warmer temperatures, with a minimum of 15°C (60°F) and a maximum reaching 32°C (90°F); the average temperature is 23°C (74°F). This month experiences more rainfall, totaling 176 mm (6.9 in) across 17 days, along with higher humidity at 84%. For those looking for more information on September weather, you can check Oarai weather in September.
April weather is characterized by a wide temperature range, with minimums around 3°C (37°F) and maximums reaching up to 23°C (74°F). The month experiences an average temperature of 13°C (56°F) and sees significant precipitation, totaling 129 mm (5.1 in) over about 11 days, along with a humidity level of 73%.
In contrast, October offers warmer temperatures, with a minimum of 10°C (51°F) and highs peaking at 29°C (85°F), resulting in a comfortable average of 19°C (66°F). However, October is also wetter, accumulating 258 mm (10.2 in) of rainfall over approximately 16 days and higher humidity at 80%.
For more details about October weather patterns, visit Oarai weather in October.
April and November present similar temperature ranges, with April experiencing a minimum of 3°C and a maximum of 23°C, while November starts slightly warmer with a minimum of 4°C and a maximum of 22°C. Both months have a comparable average temperature, hovering around 13°C in April and 14°C in November. However, April tends to be wetter, with 129 mm of precipitation over 11 days compared to November's 102 mm across 10 days. Additionally, humidity levels slightly rise in November, reaching 77% versus April's 73%. For a more detailed look at November weather in Oarai, you can check Oarai weather in November.
When comparing the weather in April and December, notable differences emerge. In April, temperatures range from a minimum of 3°C (37°F) to a maximum of 23°C (74°F), with an average of 13°C (56°F). This month also experiences significant rainfall, totaling 129 mm (5.1 in) over about 11 days, contributing to a humidity level of 73%. In contrast, December has cooler temperatures, with a minimum of 0°C (33°F) and an average of 8°C (47°F), peaking at 20°C (68°F). Precipitation in December is less frequent, totaling 73 mm (2.9 in) over 8 days, and humidity is slightly higher at 77%. For more insights into December weather, you can visit Oarai weather in December.
As April unfolds in Oarai, the weather transitions to a more moderate climate, marked by mild temperatures and a slightly higher precipitation level compared to earlier months. This month invites bloom and renewal, with longer days and a newfound vibrancy in the atmosphere. While still experiencing some rain, the combination of average highs around 23°C and humidity levels peaking at 73% creates a refreshing environment perfect for outdoor explorations. Those interested in a deeper dive into Oarai's weather patterns can find more information at Oarai Climate.