May Weather in Aomori, Japan

Last updated: August 21, 2025

In Aomori, Japan, May brings a delightful mix of temperatures, ranging from a maximum of 31°C (88°F) to a minimum of 4°C (39°F), with an average of 14°C (58°F). This transitional month sees 109 mm (4.3 in) of rainfall spread over 13 days, contributing to an impressive humidity level of 86%. As nature awakens, visitors can immerse themselves in a pleasant and vibrant environment, making it an ideal time to explore the scenic beauty and cultural charm of Aomori.

May Temperature in Aomori

In Aomori, Japan, May marks a delightful transition into warmer weather, with temperatures on the rise after the lingering chill of spring. The month opens with a minimum temperature of 4°C (39°F), gradually climbing to an average of 14°C (58°F), and peaking at a toasty 31°C (88°F). This notable increase reflects a broader trend as Aomori experiences a steady climb from the cold depths of winter. As the landscape bursts into bloom, the warmer days invite locals and visitors alike to enjoy the outdoors, making May a compelling time to explore this picturesque region. The progression of temperatures from the previous months underscores the region's captivating shift towards a vibrant summer, offering a perfect blend of comfort and beauty.

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

The chart illustrates May temperature patterns in Aomori, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aomori, 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).
JanFebMarAprMayJunJulAugSepOctNovDec282937465864727467554432
Data source: Temperature data for Aomori 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 Aomori

In Aomori, Japan, May typically sees 109 mm (4.3 in) of precipitation, demonstrating a slight decrease from the wetter April and indicating a gradual transition into the summer months. With rain falling on an average of 13 days, May's weather is characterized by a balance of wet conditions and milder temperatures, paving the way for the increase in rainfall that follows in June. This month effectively bridges the drier early months of the year, such as January and February, which experience heavier precipitation spread across more days, pointing towards a seasonal trend where rainfall becomes more intense and concentrated in the warmer months. As Aomori heads toward the summer, May's precipitation sets the stage for the lush greenery that the region is known for, reflecting a dynamic climatic rhythm throughout the year.

May Precipitation Trends in Aomori

The chart displays monthly precipitation patterns in Aomori, 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 Aomori, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec72999911310913415218312416091108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Aomori

In Aomori, Japan, May marks a significant increase in humidity levels, soaring to 86%, which signals the onset of the wet season. This uptick is part of a consistent upward trend that begins in the spring months, with humidity gradually rising from 77% in March and peaking in the summer. As temperatures warm, the transition from April's mild 78% to May's more oppressive moisture can be felt, paving the way for the even more intense humidity that follows in June, reaching 91%. The spike in May not only reflects the approach of the hot summer months but also emphasizes Aomori's characteristic climate, where higher humidity levels become the norm.

May Average Humidity in Aomori

This chart illustrates the average monthly humidity levels in Aomori, 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 Aomori 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Aomori

As May unfolds in Aomori, Japan, residents and visitors alike should be prepared for increased sun exposure, as the UV Index escalates to 9, placing it in the very high category with a burn time of just 15 minutes. This trend of rising UV levels is consistent with the transition from the cooler months; after moderate indices in January and February, the UV Index climbs sharply through March and April. With June set to peak at an even higher index of 10, May serves as a crucial reminder to adopt sun safety measures before summer fully sets in. Enjoy the beautiful weather while remembering to protect your skin—for more insights, check out the detailed Aomori UV Index.

Maximum UV Index Levels in Aomori for May

The chart shows the monthly maximum UV Index (UVI) for Aomori 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 Aomori typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010118642
Data source: Aomori 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 Aomori

In Aomori, Japan, May shines brightly with an impressive 299 hours of sunlight, marking a delightful peak in the spring season. This month stands out as the sunniest so far in the year, following a steady increase from the 250 hours recorded in March and 272 hours in April. As the days grow longer, Aomori transitions smoothly into summer, where July takes the crown with 304 hours of sunshine. The trend reveals a gradual ascent in daylight hours from January's gloomy 154 hours towards the summer's vibrant radiance, before tapering off in the latter months. With May offering a tantalizing preview of the warm days ahead, it encapsulates the beauty of transitioning seasons in this picturesque region.

Monthly Sunshine Duration in Aomori: May Highlighted

The May sunshine duration represents the total number of hours Aomori 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h201h250h272h299h290h304h280h260h227h194h183h
Data source: Aomori May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aomori During May

In Aomori, Japan, the likelihood of sunny weather experiences its own seasonal rhythm, peaking in April with a promising 42% chance. However, as May arrives, there is a notable dip, bringing the probability down to 27%. This trend reveals that while spring offers moments of brightness, May tends to be cloudier, likely due to the onset of warmer, more humid conditions. Interestingly, as summer approaches, the sun's chances slowly increase again, hitting 31% in June. This pattern underscores the transitional nature of the month, suggesting that while May may not be the sunniest, it offers a rich tapestry of spring's shifting weather.

Percentage of Sunny Days in May in Aomori

The chart illustrates the percentage of sunny days in Aomori 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 Aomori experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%33%31%42%27%31%34%21%34%36%32%26%
Data source: Aomori May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aomori in May

As spring unfolds in Aomori, Japan, daylight hours gradually extend, culminating beautifully in May, when residents bask in 14 hours of sunlight. This month marks a significant leap from April's 13 hours, heralding the full bloom of nature and longer days ideal for outdoor activities. Following May, the daylight begins to taper slightly into June, peaking at 15 hours, before settling into a moderate rhythm during the summer months. The transition from spring to summer is increasingly vibrant, with each passing month revealing a dance between light and darkness that elegantly reflects the changing seasons. As autumn approaches, daylight wanes once again, reminding us of the beautiful cycles that define Aomori’s year.

Average Daylight Hours in Aomori for May

The chart illustrates the variation in daylight duration in Aomori throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 37m11h 56m13h 18m14h 27m15h 2m14h 44m13h 44m12h 26m11h 5m9h 54m9h 17m
Data source: Aomori daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Aomori

In Aomori, Japan, the month of May marks a subtle transition in wind patterns. With an average wind speed of 3.1 m/s (7 mph), May presents a slightly calmer atmosphere compared to the brisker conditions of the preceding months. As spring progresses, the winds begin to taper off from April's 3.4 m/s (8 mph), signaling a shift towards the lighter breezes characteristic of the summer months ahead. This gradual decline continues through June, where winds drop further to 2.4 m/s (5 mph). The decreasing wind speeds in May not only enhance the serene ambiance of the lush surroundings but also invite residents and visitors alike to embrace the gentle warmth of approaching summer.

Average May Wind Speed in Aomori

The chart displays monthly wind speed patterns in Aomori, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.74.43.53.43.1 m/s2.42.32.72.52.63.13.7
Data source: Aomori May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Aomori Compares to Other Months

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

May and January present stark contrasts in weather patterns. In May, temperatures range from a chilly 4°C (39°F) at night to a warm 31°C (88°F) during the day, averaging around 14°C (58°F). This month also experiences significant rainfall, with about 109 mm (4.3 in) over 13 days and a high humidity of 86%. In contrast, January features much colder temperatures, with a minimum of -18°C (-1°F) and a maximum of only 6°C (43°F), resulting in an average of -2°C (28°F). Precipitation is lower at 72 mm (2.8 in), but it occurs over 16 days, and the humidity is slightly lower at 79%. For more detailed information, you can check Aomori weather in January.

In comparing the weather between May and February, it's clear that May offers significantly warmer temperatures, with a minimum of 4°C (39°F) and a maximum reaching up to 31°C (88°F). In contrast, February experiences much colder conditions, with temperatures plummeting to a minimum of -10°C (14°F) and only peaking at 8°C (47°F). While May is characterized by higher average temperatures and increased humidity at 86%, February sees a lower humidity level of 78%. Additionally, May has slightly more precipitation, totaling 109 mm (4.3 in) over 13 days, whereas February has 98 mm (3.9 in) spread across 20 days, leading to a wetter experience despite the colder climate. For more details on February weather, you can visit Aomori weather in February.

In comparing the weather of May and March, it's evident that May experiences significantly warmer temperatures, with a minimum of 4°C (39°F) and an average of 14°C (58°F), compared to March's chilling lows of -12°C (10°F) and an average of only 3°C (37°F). The maximum temperature in May soars to 31°C (88°F), while March peaks at a much cooler 17°C (64°F). Interestingly, while both months have notable precipitation, May sees slightly more rainfall (109 mm or 4.3 in) over 13 days compared to March's 99 mm (3.9 in) over 17 days. Additionally, humidity levels are higher in May at 86%, compared to March's 77%. For more details on March weather, you can check Aomori weather in March.

In comparing the weather of April and May, May presents a significant increase in average temperatures, rising from April's 8°C (47°F) to 14°C (58°F). The minimum temperature in May is notably higher as well, at 4°C (39°F) compared to April's chilly -4°C (25°F). Furthermore, May can reach a maximum of 31°C (88°F), whereas April peaks at 23°C (74°F). While both months experience considerable precipitation—109 mm (4.3 in) in May and 113 mm (4.4 in) in April—May sees this rain distributed over fewer days (13 versus April's 16 days). Additionally, May has higher humidity at 86%, compared to April’s 78%. For more information on April weather, check Aomori weather in April.

In comparing the weather between May and June, both months feature maximum temperatures that peak at around 31°C (88°F), but June offers a slightly warmer average temperature of 18°C (64°F) compared to May's 14°C (58°F). Additionally, June experiences a higher minimum temperature of 7°C (45°F) versus May's 4°C (39°F), indicating a warmer start to the day. However, June also brings increased precipitation, with 134 mm (5.3 in) compared to May's 109 mm (4.3 in), alongside a rise in humidity from 86% to 91%. For a detailed overview of Aomori's weather in June, you can visit Aomori weather in June.

May and July present quite different weather experiences. In May, temperatures range from a cool minimum of 4°C (39°F) to a warm maximum of 31°C (88°F), with an average of 14°C (58°F). Rain is frequent during this month, with 109 mm (4.3 in) of precipitation occurring over 13 days and humidity averaging 86%. Meanwhile, July boasts warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 33°C (92°F), leading to an average temperature of 22°C (73°F). However, it is also wetter, recording 152 mm (6.0 in) of precipitation over 16 days and higher humidity levels at 95%. For more detailed insights, you can check out Aomori weather in July.

May and August present contrasting weather patterns, showcasing the transition from spring to summer. In May, temperatures typically range from a cool minimum of 4°C (39°F) to a warm maximum of 31°C (88°F), with an average of 14°C (58°F). This month also sees considerable precipitation of 109 mm (4.3 in) over 13 days, accompanied by high humidity at 86%.

In contrast, August experiences warmer temperatures with a minimum of 13°C (55°F) and a maximum reaching 35°C (95°F), averaging 23°C (74°F). It also has more significant rainfall, totaling 183 mm (7.2 in) over 16 days, and an even higher humidity level of 97%. The differences highlight the increasing warmth and moisture as summer peaks. For more insights, check out Aomori weather in August.

May and September present a distinct contrast in weather patterns. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average temperature of 14°C (58°F). The month sees about 109 mm (4.3 in) of precipitation over 13 days, coupled with a humidity level of 86%. In comparison, September experiences slightly warmer temperatures, with a minimum of 7°C (44°F), an average of 19°C (67°F), and a maximum of 33°C (92°F). Precipitation increases to 124 mm (4.9 in) over the same number of rainy days, and humidity rises to 89%. For a more detailed look at September weather, you can visit Aomori weather in September.

May and October present contrasting yet mild weather patterns. In May, temperatures range from a minimum of 4°C (39°F) to an average of 14°C (58°F), reaching up to a maximum of 31°C (88°F). The month experiences an average precipitation of 109 mm (4.3 in) over 13 days, coupled with high humidity at 86%. In comparison, October’s temperatures are slightly cooler, with a minimum of 2°C (36°F) and an average of 13°C (56°F), peaking at 27°C (80°F). Precipitation increases to 160 mm (6.3 in) over the same number of days, and humidity remains lower at 81%. For a more detailed look at October weather trends, you can visit Aomori weather in October.

May and November exhibit contrasting weather patterns that reflect the transition from spring to late autumn. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average temperature of 14°C (58°F). This month experiences higher humidity at 86% and receives about 109 mm (4.3 in) of precipitation over approximately 13 days.

In contrast, November brings cooler temperatures, with a minimum of -8°C (17°F) and a maximum of 20°C (68°F), averaging around 7°C (44°F). Although it is slightly drier with 91 mm (3.6 in) of precipitation over 16 days, the humidity drops to 78%. For more detailed insights on November's weather, you can visit Aomori weather in November.

May and December present stark contrasts in weather conditions. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average of 14°C (58°F), fostering a warm and vibrant atmosphere. The month experiences moderate precipitation levels at 109 mm (4.3 in) over about 13 days, coupled with high humidity at 86%. In contrast, December brings a chillier climate, with temperatures dropping to a minimum of -10°C (15°F) and averaging 0°C (32°F), peaking at just 13°C (56°F). Precipitation remains similar at 108 mm (4.3 in) but is spread over almost double the days, totaling 23, alongside lower humidity at 77%. For more detailed insights, you can explore Aomori weather in December.

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Conclusion: What to Expect From May Weather in Aomori

As May unfolds in Aomori, the weather transforms significantly, ushering in a delightful shift from the cooler, drier months of spring to a more vibrant and humid atmosphere. While the temperatures rise, with pleasant highs reaching up to 31°C, the average remains comfortably mild at 14°C. The increase in humidity, rising to 86%, coupled with about 13 days of rain totaling 109 mm, creates lush green landscapes, contrasting sharply with the drier conditions of earlier months. This blooming season not only enhances the natural beauty of the region but also sets the stage for summer adventures and outdoor activities. For more detailed insights on Aomori's weather patterns, visit Aomori Climate.