April Weather in Hakodate, Japan

Last updated: August 21, 2025

In April, Hakodate, Japan, begins to shake off the chill of winter, with average temperatures hovering around 7°C (45°F), reaching a maximum of 14°C (58°F) and dipping to a minimum of 1°C (33°F). This transitional month is characterized by a significant amount of rainfall, totaling 101 mm (4.0 in) across 13 days, resulting in a humidity level of 78% that adds a fresh vibrancy to the air. Visitors can expect a blend of crisp mornings and mild afternoons, perfect for enjoying the scenic beauty and unique culture of this charming coastal city.

April Temperature in Hakodate

In April, Hakodate begins to shake off the chill of winter, welcoming a noticeable warming trend. The temperatures rise from a chilly min of 1°C (33°F) to a pleasant max of 14°C (58°F), marking a shift towards spring's embrace. The average temperature sits comfortably at 7°C (45°F), offering a refreshing contrast to the colder months of January through March, which see averages hovering around freezing. This transition is a precursor to the more temperate conditions of May and June, but in April, the scenery transforms as nature reawakens, inviting locals and visitors alike to enjoy the blossoming landscapes amid the mild climate.

April Weather in Hakodate: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hakodate, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hakodate, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec303038445258667067584635
Data source: Temperature data for Hakodate generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Hakodate

In April, Hakodate experiences a notable surge in precipitation, recording 101 mm (4.0 in) of rain over 13 days. This increase marks a continuation from the wet conditions observed in March, where 86 mm (3.4 in) fell across 11 days. As spring unfolds, the city transitions into a wetter phase, ultimately paving the way for even higher totals in the subsequent months, with May and June expected to see 116 mm (4.6 in) and 128 mm (5.0 in), respectively. This upward trend reflects the vibrant renewal of nature in Hakodate, where the rain nourishes the landscape and heralds the lush growth of the season. The uptick in both precipitation and rainy days suggests that locals and visitors alike should be prepared for the delightful, yet sometimes damp, charm of springtime in this beautiful coastal city.

April Precipitation Trends in Hakodate

The chart displays monthly precipitation patterns in Hakodate, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Hakodate, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec61798610111612815225416614910389
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hakodate

April in Hakodate, Japan, welcomes a humidity level of 78%, matching the slightly lower figures of the previous months. As the city transitions from the winter chill to the mildness of spring, humidity remains relatively stable, suggesting a gradual progression towards the higher moisture levels that characterize the upcoming summer months. This consistency in April indicates the onset of changing weather patterns, as humidity peaks in May at 86% and continues to climb through the summer, reaching a sweltering 97% by August. Overall, April serves as a gentle bridge, hinting at the humid embrace that awaits in the warmer months ahead.

April Average Humidity in Hakodate

This chart illustrates the average monthly humidity levels in Hakodate, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Hakodate is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hakodate

In April, Hakodate experiences a significant leap in the UV Index, reaching 8 and categorizing exposure as very high. This marks a notable increase from the moderate levels seen in previous months, indicating that sun protection becomes crucial, with a burn time of just 15 minutes. As spring settles in, residents and visitors alike should be aware of the rising sun intensity, setting the stage for even higher UV levels in the coming months, with May and June hitting 9 and 10 respectively. With these trends, it's essential to stay vigilant and make informed choices about sun safety. For detailed insights, check the Hakodate UV Index.

Maximum UV Index Levels in Hakodate for April

The chart shows the monthly maximum UV Index (UVI) for Hakodate in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Hakodate typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235891010118632
Data source: Hakodate April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Hakodate

As April unfolds in Hakodate, Japan, the city's charm is magnified by an impressive 282 hours of sunshine, showcasing a delightful transition from the quieter months of winter. This marks a significant increase from March's 257 hours, hinting at the arrival of spring's warmth and vitality. As the days grow longer, April's sunny disposition sets a promising tone for the months ahead, with May anticipated to shine even brighter at 299 hours. The upward trend from January's mere 154 hours to April's vibrant glow demonstrates Hakodate's gradual emergence from winter's grip, inviting visitors to bask in its blossoming beauty and take part in the seasonal festivities. This consistent rise in sunshine not only lifts spirits but also heralds the lush landscapes that await as nature awakens once more.

Monthly Sunshine Duration in Hakodate: April Highlighted

The April sunshine duration represents the total number of hours Hakodate experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec154h202h257h282h299h288h284h270h261h231h191h182h
Data source: Hakodate April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hakodate During April

As spring blossoms in Hakodate, Japan, April marks a notable rise in the likelihood of sunny weather, with a 46% chance of sunshine adorning the days. This increase is a refreshing change from the earlier months of the year, where January through March linger around the 29% to 35% range. After enduring the winter's gloom, residents and visitors alike can eagerly anticipate the warmth of the sun as it begins to outshine the clouds more frequently. However, the month's sunny disposition faces stiff competition from the following months, where May sees a drop in sunshine to 32%. Thus, April stands out as a pivotal moment where the promise of brighter days begins to unfold, inviting everyone to enjoy the vibrant cherry blossoms and the beauty of nature awakening after winter's embrace.

Percentage of Sunny Days in April in Hakodate

The chart illustrates the percentage of sunny days in Hakodate throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Hakodate experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%35%35%46%32%39%31%25%43%43%41%30%
Data source: Hakodate April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hakodate in April

As April arrives in Hakodate, Japan, the days grow noticeably longer, offering a welcoming 13 hours of daylight. This increase from the previous month highlights the shift towards spring, setting the stage for blooming landscapes and vibrant outdoor activities. Following the steady rise from 11 hours in March, April's longer days mark a significant transition, with brightness continuing to peak in May at 14 hours. This upward trend culminates in June, where daylight reaches a maximum of 15 hours, before gently tapering off into the summer months. The gradual extension of daylight during April not only enhances the city's charm but also encourages locals and visitors alike to embrace the beauty of the season.

Average Daylight Hours in Hakodate for April

The chart illustrates the variation in daylight duration in Hakodate throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 30m10h 34m11h 56m13h 20m14h 32m15h 8m14h 50m13h 47m12h 27m11h 3m9h 49m9h 11m
Data source: Hakodate daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Hakodate

April brings a gentle shift in the winds of Hakodate, Japan, as average wind speeds decrease to 4.4 m/s (10 mph). This marks the calmest period of the year, following the brisk breezes that characterize the earlier months of January and February, where speeds reach about 6.5 m/s (15 mph). As spring unfolds, wind speeds gradually ease, dipping to their lowest in May at 4.0 m/s (9 mph), creating a serene atmosphere that complements the blooming cherry blossoms. This trend of diminishing winds continues into summer, before picking up again in the autumn months. Overall, April serves as a transitional time, with soft winds inviting visitors to enjoy the blossoming beauty of the season.

Average April Wind Speed in Hakodate

The chart displays monthly wind speed patterns in Hakodate, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.56.65.14.4 m/s4.03.93.95.04.14.46.16.2
Data source: Hakodate April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Hakodate Compares to Other Months

Weather in Hakodate varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hakodate, focusing on differences in temperature, rainfall, humidity, and UV levels.

April weather is significantly milder than January, with average temperatures rising from a chilly -1°C (31°F) in January to a more comfortable 7°C (45°F) in April. While January experiences colder nights with temperatures dropping as low as -9°C (16°F), April's minimum temperature is just 1°C (33°F). Furthermore, April sees increased precipitation, totaling 101 mm (4.0 in) over 13 days, compared to January's 61 mm (2.4 in) over the same number of days. Both months feature high humidity levels, with January at 79% and April slightly lower at 78%. For more details on January weather, you can visit Hakodate weather in January.

April weather showcases a significant shift compared to February, with temperatures rising from a chilly average of -1°C (30°F) in February to a more moderate 7°C (45°F) in April. While February experiences colder minimum temperatures down to -10°C (15°F), April presents minimums around 1°C (33°F) and peaks at a warm 14°C (58°F). Precipitation remains notable in both months, with April receiving 101 mm (4.0 in) over 13 days, slightly more than February's 79 mm (3.1 in) across 14 days. Humidity levels also remain consistent at 78% for both months, creating a damp atmosphere as winter transitions into spring. For more details on February's conditions, you can visit Hakodate weather in February.

In comparing the weather between March and April, we see notable differences in temperature and precipitation. April features a milder temperature range, with minimums of 1°C (33°F) and maximums reaching 14°C (58°F), compared to March, which has colder temperatures that drop to a minimum of -5°C (23°F) and max out at 12°C (53°F). Additionally, April experiences slightly higher precipitation, totaling 101 mm (4.0 in) over 13 days, whereas March has 86 mm (3.4 in) across 11 days. Humidity levels remain fairly similar, with April at 78% and March at 77%. For more details on March weather, you can check Hakodate weather in March.

In comparing the weather between April and May, one can observe a notable increase in temperatures. April experiences a range from a chilly minimum of 1°C (33°F) to a maximum of 14°C (58°F), with an average temperature of 7°C (45°F). In contrast, May sees milder conditions, with temperatures ranging from 6°C (42°F) to 20°C (68°F) and an average of 11°C (52°F). Precipitation levels are slightly higher in May at 116 mm (4.6 in) over 11 days, compared to April's 101 mm (4.0 in) over 13 days. Additionally, humidity rises from April's 78% to 86% in May, contributing to a more humid feel. For more details on May's weather, visit Hakodate weather in May.

April and June display quite contrasting weather patterns. In April, temperatures range from a chilly minimum of 1°C (33°F) to a comfortable maximum of 14°C (58°F), with an average of 7°C (45°F). The month sees significant precipitation, totaling 101 mm (4.0 in) over 13 days, accompanied by a humidity level of 78%. In contrast, June experiences milder temperatures, with a minimum of 9°C (49°F) and a maximum of 21°C (69°F), averaging 15°C (59°F). While June is slightly wetter, with 128 mm (5.0 in) of rain over 12 days, it also brings higher humidity at 91%. For more details, check out Hakodate weather in June.

In April, the weather is characterized by cooler temperatures, with a minimum of 1°C (33°F) and an average of 7°C (45°F), reaching a maximum of 14°C (58°F). The month sees significant precipitation, with around 101 mm (4.0 in) over 13 days, and the humidity sits at a moderate 78%. In contrast, July brings much warmer conditions, with minimum temperatures rising to 13°C (55°F) and an average of 19°C (67°F), peaking at 27°C (80°F). The summer month also experiences higher precipitation levels at 152 mm (6.0 in) over 16 days, accompanied by increased humidity at 95%. For a detailed look at what to expect, check out Hakodate weather in July.

April weather is notably cooler, with temperatures ranging from a chilly 1°C (33°F) to a mild high of 14°C (58°F), and an average around 7°C (45°F). The month sees considerable precipitation, with about 101 mm (4.0 in) falling over 13 days, while humidity sits at a moderate 78%. In contrast, August experiences much warmer temperatures, with a minimum of 16°C (61°F) and a peak reaching 28°C (83°F), averaging around 21°C (71°F). However, it also brings increased rainfall, totaling 254 mm (10.0 in) over 17 days, paired with high humidity levels at 97%. This stark contrast in temperature and precipitation highlights the seasonal shift from the coolness of April to the warmth and wetness of August. For more details, check out Hakodate weather in August.

April and September present distinct contrasts in weather. In April, temperatures range from a chilly 1°C (33°F) at night to a mild 14°C (58°F) during the day, with an average of 7°C (45°F). The month sees significant precipitation, totaling 101 mm (4.0 in) over about 13 days, and humidity levels hover around 78%. In stark contrast, September experiences much warmer temperatures, with nightly lows of 14°C (57°F) and daytime highs reaching up to 28°C (83°F), averaging 20°C (68°F). While September has a higher total precipitation of 166 mm (6.5 in) over just 12 days, humidity is noticeably higher at 89%. For those interested in more detailed weather specifics for September, check out Hakodate weather in September.

April and October exhibit distinct characteristics in their weather patterns. In April, temperatures range from a chilly 1°C (33°F) to a more moderate 14°C (58°F), with an average of 7°C (45°F). The month is marked by significant precipitation, totaling 101 mm (4.0 in) spread across 13 days, accompanied by a humidity level of 78%. In contrast, October experiences milder temperatures, with a minimum of 6°C (42°F) and a maximum that can reach 23°C (74°F), averaging 15°C (58°F). Precipitation is also higher in October, totaling 149 mm (5.9 in) over the same number of rainy days, but with slightly increased humidity at 81%. For more insights into the conditions during this month, you can visit Hakodate weather in October.

In comparing the weather of April and November, we see distinct variations characterized by their temperatures and precipitation. April typically experiences a minimum temperature of 1°C (33°F), an average of 7°C (45°F), and a maximum of 14°C (58°F), accompanied by about 101 mm (4.0 in) of precipitation over 13 days. In contrast, November's temperatures drop, with a minimum of -3°C (28°F), an average of 8°C (47°F), and a maximum of 17°C (62°F), while precipitation slightly increases to 103 mm (4.1 in) over the same number of days. Interestingly, both months share the same humidity level of 78%, but the overall feel of each month shifts dramatically due to the temperature differences. For those interested in the specifics of November weather, please refer to Hakodate weather in November.

April and December present quite distinct weather patterns. In April, temperatures range from a minimum of 1°C (33°F) to a pleasant maximum of 14°C (58°F), with an average temperature of 7°C (45°F). The month sees significant precipitation, totaling 101 mm (4.0 in) over approximately 13 days, and the humidity is a comfortable 78%. In contrast, December experiences much colder temperatures, with a minimum of -7°C (20°F) and an average of 2°C (35°F), although it can still reach a maximum of 14°C (57°F) on warmer days. This month also has slightly less precipitation, at 89 mm (3.5 in), spread across 18 days, and a similar humidity level of 77%. For more detailed information on December's weather, you can visit Hakodate weather in December.

Compare Hakodate's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Hakodate

As April arrives in Hakodate, the weather begins to shift toward milder conditions, offering a refreshing change from the chill of winter. While temperatures gradually rise, daily highs can reach a comfortable 14°C (58°F), making it an inviting time to explore the stunning landscapes. However, April also brings a fair amount of precipitation, with rain gracing the city on around half the days of the month, resulting in a relatively humid atmosphere. This transitional period marks the onset of spring, as blossoms begin to emerge and the overall vibe grows more vibrant. For a deeper understanding of what to expect throughout the year, check out Hakodate Climate.