May Weather in Ishinomaki, Japan

Last updated: August 21, 2025

May in Ishinomaki, Japan is characterized by a pleasant average temperature of 16°C (60°F), with peaks reaching up to 27°C (80°F) and lows dipping to 7°C (45°F). As the month progresses, expect a mix of weather, with 97 mm (3.8 in) of precipitation falling over 11 days. The humidity hovers around 80%, creating a refreshing, albeit sometimes muggy, atmosphere. Overall, May offers a delightful spring experience, ideal for exploring the beauty of Ishinomaki.

May Temperature in Ishinomaki

In May, Ishinomaki experiences a delightful transition into warmer weather, characterized by a noticeable rise in temperatures. As the month unfolds, the minimum temperatures start at a comfortable 7°C (45°F), setting the stage for an average of 16°C (60°F) and peaking at a pleasant 27°C (80°F). This significant increase from April's cooler readings not only marks the arrival of spring in its full glory but also invites outdoor activities and explorations. The steady climb in temperatures from the chill of winter, highlighted by the leap from 10°C (51°F) average in April to 16°C (60°F) in May, showcases Ishinomaki's vibrant seasonal shift, making it an appealing destination for travelers seeking to enjoy the blossoming scenery and mild climate.

May Weather in Ishinomaki: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ishinomaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ishinomaki, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec373844506066737771625141
Data source: Temperature data for Ishinomaki generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ishinomaki

In May, Ishinomaki experiences a notable precipitation level of 97 mm (3.8 in), which aligns closely with the consistent rain patterns established in the preceding months of March and April, both recording over 100 mm. With 11 days of rain this month, May marks a continuation of the spring's wet conditions before the heavier summer rains arrive. The transition from the early months, which see lower totals around 41 mm in February, illustrates a steady increase in precipitation as the region prepares for the wetter summer months ahead. Overall, May maintains Ishinomaki's role within a dynamic pattern of rainfall, faithfully reflecting the gradual buildup towards the more intense July and August downpours.

May Precipitation Trends in Ishinomaki

The chart displays monthly precipitation patterns in Ishinomaki, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Ishinomaki, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec464110410597901771681231923757
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ishinomaki

In Ishinomaki, Japan, May marks a notable transition in humidity levels, returning to 80%, which mirrors the conditions seen in January. This slight uptick follows a gradual decline from 80% in January to 75% by April, showcasing a consistent drop as winter gives way to spring. As the seasons shift, humidity levels rise again, paving the way for summer when they peak at a steamy 92% in July and August. This cyclical pattern underscores Ishinomaki's maritime climate, where the humidity tends to reach its zenith during the warmer months, enveloping the region in a vibrant, humid atmosphere as it progresses from spring into summer.

May Average Humidity in Ishinomaki

This chart illustrates the average monthly humidity levels in Ishinomaki, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Ishinomaki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ishinomaki

As spring blooms into summer, Ishinomaki's UV Index experiences a notable rise, reaching a staggering 9 in May. This classification signifies very high exposure, with a burn time that drops to just 15 minutes, urging residents and visitors to take precautions against sunburn. The trend from earlier months showcases a steady increase; starting at a moderate UV Index of 3 in January, it escalates through the spring to a peak in May, before hitting extreme levels in July. This sharp rise emphasizes the importance of sun safety measures, as the sun's intensity continues to escalate throughout the season. For more detailed insights, visit Ishinomaki UV Index.

Maximum UV Index Levels in Ishinomaki for May

The chart shows the monthly maximum UV Index (UVI) for Ishinomaki in May, 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 May, the maximum UV index in Ishinomaki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891011109643
Data source: Ishinomaki May 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.

May Sunshine in Ishinomaki

May brings a delightful burst of sunshine to Ishinomaki, with the city basking in 287 hours of sunlight, marking a peak in its annual solar brightness. As spring fades into early summer, the hours of sunshine have steadily increased from 173 hours in January to this radiant high, reflecting a welcoming trend of longer, sunnier days. This upward trajectory continues into June, albeit slightly softer with 275 hours of sunlight. The transition into the warmer months showcases how Ishinomaki flourishes under the sun, creating a vibrant atmosphere that invites exploration and enjoyment of the great outdoors. Each hour of sunshine not only brightens the landscape but also uplifts the spirit, making May a truly exceptional month in this charming seaside city.

Monthly Sunshine Duration in Ishinomaki: May Highlighted

The May sunshine duration represents the total number of hours Ishinomaki experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec173h229h259h271h287h275h233h254h239h209h222h213h
Data source: Ishinomaki May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ishinomaki During May

As May unfolds in Ishinomaki, Japan, the likelihood of sunny weather takes a dip with a 34% chance of sunshine, reflecting a trend of decreased sun exposure compared to the preceding months. While January and February boast higher percentages of clear skies at 48% and 60% respectively, the spring months like March and April show moderate levels of sunshine, yet May sees a notable reduction. This gradual decline continues into the summer, where June experiences only a 28% chance of sunny days. This pattern suggests that as spring transitions into summer, residents and visitors alike may need to prepare for more overcast days, making it a time best appreciated for its unique charm rather than relentless sunshine.

Percentage of Sunny Days in May in Ishinomaki

The chart illustrates the percentage of sunny days in Ishinomaki throughout the year, with May 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 Ishinomaki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%60%39%47%34%29%27%29%35%44%61%45%
Data source: Ishinomaki May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ishinomaki in May

As spring transitions into summer, Ishinomaki experiences a delightful increase in daylight duration, peaking in May with a generous 14 hours of sunlight. This trend showcases a steady climb from just 9 hours in January to a vibrant 13 hours by April, making May an ideal time to enjoy outdoor activities. Following this peak, the daylight remains consistent at 14 hours through June and July, before gradually tapering off as the seasons shift toward autumn. The sun-filled days of May not only illuminate the landscape but also brighten the spirit, inviting residents and visitors alike to revel in the beauty of this coastal city.

Average Daylight Hours in Ishinomaki for May

The chart illustrates the variation in daylight duration in Ishinomaki throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 48m10h 44m11h 57m13h 12m14h 15m14h 47m14h 31m13h 35m12h 24m11h 10m10h 5m9h 31m
Data source: Ishinomaki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ishinomaki

In Ishinomaki, Japan, the month of May brings with it a gentle breeze, characterized by an average wind speed of 3.9 m/s (9 mph). This marks a noticeable decline compared to the winter months, where speeds averaged between 4.4 and 5.2 m/s, suggesting a transition into the calmer spring. Interestingly, as the year progresses into the summer, wind speeds continue to decrease, reaching their lowest at 3.1 m/s (7 mph) in July. This trend highlights a gradual shift from the brisk winds of early months to the more subdued breezes of late spring and summer, creating a serene atmosphere perfect for enjoying the blossoming beauty of the season.

Average May Wind Speed in Ishinomaki

The chart displays monthly wind speed patterns in Ishinomaki, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.24.64.53.9 m/s3.43.13.83.73.83.84.6
Data source: Ishinomaki May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ishinomaki Compares to Other Months

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

May and January weather exhibit a striking contrast, particularly in temperature and precipitation patterns. May boasts a milder climate with average temperatures ranging from a low of 7°C (45°F) to a high of 27°C (80°F), while January sees much chillier conditions, with temperatures averaging between -5°C (22°F) and 12°C (54°F). Additionally, May experiences more rainfall, totaling 97 mm (3.8 in) over 11 days, compared to January's 46 mm (1.8 in) over just 8 days. Despite similar humidity levels at 80% for both months, the overall feeling is quite different, with May ushering in a warm spring atmosphere and January maintaining the cool grip of winter. For a more detailed look at January weather, you can check out Ishinomaki weather in January.

In comparing the weather of May and February, a stark contrast emerges. May boasts much warmer temperatures with a minimum of 7°C (45°F) and an average of 16°C (60°F), reaching up to a maximum of 27°C (80°F). The month also experiences higher precipitation levels, totaling 97 mm (3.8 in) over 11 days, alongside a humidity level of 80%. In contrast, February presents a chillier climate, with temperatures dipping as low as -5°C (24°F) and averaging just 3°C (38°F). It reaches a maximum of 14°C (57°F) and sees significantly less precipitation at 41 mm (1.6 in) over 8 days, coupled with a slightly lower humidity of 79%. For a more detailed insight into February's weather, you can visit Ishinomaki weather in February.

In comparing the weather between March and May, it's evident that May offers milder and warmer conditions. While March experiences a minimum temperature of -2°C (28°F) and an average of 7°C (44°F), May boasts a more comfortable range with a minimum of 7°C (45°F) and an average of 16°C (60°F). The maximum temperatures in March reach 20°C (68°F), whereas May can warm up to a pleasant 27°C (80°F). Although both months see a fair amount of precipitation—104 mm (4.1 in) in March compared to 97 mm (3.8 in) in May—the humidity is slightly higher in May at 80%, compared to 77% in March. For a closer look at March conditions, check out Ishinomaki weather in March.

In comparing the weather of April and May, it's evident that May experiences a notable increase in temperatures, with average highs reaching 27°C (80°F), compared to April's maximum of 23°C (73°F). Even the minimum temperatures in May are milder, starting at 7°C (45°F) versus April's chilly 1°C (34°F). While both months see about 11 days of precipitation, May has slightly less rainfall at 97 mm (3.8 in) compared to April's 105 mm (4.1 in). Humidity levels also rise in May, resting at 80%, compared to April's 75%. Overall, May marks a transition into warmer weather, bringing a more comfortable climate compared to the cooler and slightly wetter conditions seen in April. For a closer look at April's weather, you can refer to Ishinomaki weather in April.

May and June exhibit noticeable differences in weather patterns, despite having similar maximum temperatures. In May, the average temperature reaches 16°C (60°F), with a minimum of 7°C (45°F), while June sees a rise in the average to 19°C (66°F) and a minimum of 12°C (54°F). Both months experience comparable precipitation levels, with May receiving 97 mm (3.8 in) and June slightly less at 90 mm (3.6 in), though both have rain on about 11 days. Additionally, June has a higher humidity level at 87%, compared to May's 80%, contributing to a more muggy atmosphere as summer approaches. For more detailed information, you can check Ishinomaki weather in June.

May and July present contrasting weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a cool 7°C (45°F) at night to a pleasant average of 16°C (60°F) during the day, with maximums reaching 27°C (80°F). This month experiences about 97 mm (3.8 in) of precipitation over 11 days, coupled with a moderate humidity level of 80%. In stark contrast, July witnesses significantly warmer temperatures, with minimums of 16°C (62°F) and averages soaring to 23°C (74°F), peaking at 32°C (90°F). Additionally, July sees a substantial rise in precipitation, totaling 177 mm (7.0 in) over 16 days, and humidity levels climb to a higher 92%. For a detailed look at July's weather, check out Ishinomaki weather in July.

The weather in May is generally milder compared to August, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F). In contrast, August experiences warmer temperatures, with a minimum of 16°C (62°F) and reaching up to 32°C (91°F) on average. Additionally, May has lower precipitation levels at 97 mm (3.8 in) over 11 days, whereas August sees a significant increase in rainfall, totaling 168 mm (6.6 in) across 17 days. The humidity also rises in August, averaging at 92% compared to May's 80%. This makes for a distinctly warmer and wetter climate in August. For more details, check out Ishinomaki weather in August.

May and September present distinct weather characteristics. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average temperature of 16°C (60°F). The month experiences about 97 mm (3.8 in) of precipitation over 11 days, accompanied by a humidity level of 80%. In contrast, September sees milder temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (88°F), leading to an average of 22°C (71°F). This month has slightly higher precipitation at 123 mm (4.9 in) spread over 13 days and a humidity level of 86%. Thus, while both months are relatively humid, September is generally warmer and wetter. For more details, you can check out Ishinomaki weather in September.

In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average of 16°C (60°F). The month experiences about 97 mm (3.8 in) of precipitation over approximately 11 days, and humidity levels hover around 80%. In contrast, October sees slightly warmer temperatures, with a minimum of 8°C (46°F) and an average of 17°C (62°F), while the maximum reaches 26°C (79°F). However, October is significantly wetter, receiving 192 mm (7.6 in) of rainfall over the same number of days, and the humidity increases marginally to 82%. For more detailed insights into October weather, you can check Ishinomaki weather in October.

May and November exhibit distinct weather patterns reflective of their seasonal transitions. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), providing a warm average of 16°C (60°F). This month experiences higher precipitation levels, totaling 97 mm (3.8 in) over 11 days, along with a humidity level of 80%. In contrast, November showcases much cooler temperatures, with a minimum of -1°C (31°F), an average of 11°C (52°F), and a maximum of 19°C (67°F). Precipitation decreases significantly to 37 mm (1.5 in) over 7 days, while humidity remains relatively consistent at 79%. For more information on November weather, you can check Ishinomaki weather in November.

May and December present quite contrasting weather conditions. In May, temperatures range from a minimum of 7°C (45°F) to a pleasant maximum of 27°C (80°F), with an average of 16°C (60°F). The month also experiences significant rainfall, with 97 mm (3.8 in) of precipitation over 11 days, all while humidity remains high at 80%. In contrast, December sees much colder temperatures, with a minimum of -3°C (28°F) and a maximum of 16°C (60°F), averaging just 5°C (41°F). While December has less precipitation at 57 mm (2.3 in) spread over the same number of days, the humidity levels remain consistent at 80%. For more detailed information about December weather, visit Ishinomaki weather in December.

Compare Ishinomaki's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ishinomaki

As May graces Ishinomaki, the weather begins to shift, offering a delightful transition from the cooler spring months. With temperatures reaching a pleasant maximum of 27°C (80°F) and a cozy average around 16°C (60°F), the days are increasingly inviting for outdoor activities. However, it’s also a month marked by high humidity levels of 80% and around 11 days of rain, adding a refreshing touch to the blooming landscapes. Compared to the preceding months, May strikes a balance between warmth and moisture, making it a unique time to marvel at the beauty of the region. For a deeper dive into the weather patterns throughout the year, check out Ishinomaki Climate.