May Weather in Goto, Japan

Last updated: August 21, 2025

May in Goto, Japan offers a delightful climate as temperatures rise to a maximum of 23°C (73°F), with a pleasant average of 19°C (67°F), and a minimum dipping to 15°C (59°F). Although the month sees 164 mm (6.4 in) of rainfall spread across 9 days, the 87% humidity creates a lush, vibrant atmosphere that enhances the natural beauty of the region. This combination of warm temperatures and occasional rain makes May an inviting time for visitors to experience Goto's scenic landscapes and cultural richness.

May Temperature in Goto

In Goto, Japan, May marks the transition into warmer weather, showcasing a significant rise in temperatures from the earlier months. With a minimum temperature of 15°C (59°F) and an average high of 23°C (73°F), May offers a delightful climate for outdoor activities and explorations. The steady climb from April's maximum of 22°C (72°F) highlights the approach of summer, making this month particularly inviting for both locals and visitors. As the region transitions into June, temperatures continue to rise, but May strikes a perfect balance, with pleasant warmth and mild evenings that create a charming atmosphere for enjoying the beauty of this picturesque island.

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

The chart illustrates May temperature patterns in Goto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goto, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505056606672788277706354
Data source: Temperature data for Goto 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.

May Precipitation in Goto

In May, Goto, Japan, experiences a notable increase in precipitation, with an impressive 164 mm (6.4 in) of rainfall accumulating over 9 days. This uptick is part of the region's gradual build-up to the wetter summer months, as it follows April's lower total of 127 mm (5.0 in). The trend indicates that May acts as a bridge, signaling the transition to the peak rainy season; with June bringing even heavier rains of 198 mm (7.8 in). As the spring draws to a close, the increased moisture not only nourishes the lush landscapes but also sets the stage for the vibrant growth that characterizes the upcoming summer months in Goto.

May Precipitation Trends in Goto

The chart displays monthly precipitation patterns in Goto, 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 Goto, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec74961481271641982932562381326086
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Goto

As spring transitions into summer, May in Goto, Japan, marks a notable shift in humidity levels, soaring to 87%. This spike reflects the island's unique climate as it prepares for the intense humidity of the upcoming months. Following April's already elevated humidity of 79%, May serves as a precursor to the peak summer months, where humidity levels reach an astounding 97% in July. The consistent upward trend from earlier months, peaking significantly in the summer, illustrates Goto's humid subtropical climate. As the year unfolds, it's clear that May's humidity sets the stage for the sultry months ahead, blending natural beauty with a palpable heaviness in the air.

May Average Humidity in Goto

This chart illustrates the average monthly humidity levels in Goto, 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 Goto is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%69%71%79%87%92%97%94%84%79%75%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Goto

May in Goto, Japan, heralds the peak of the UV Index with a striking value of 11, classifying it as extreme. This significant increase from April's already high index of 10 indicates that sun exposure during this month demands extra caution, as the burn time shortens to just 10 minutes. As the region transitions from spring to summer, the intensity of the sun intensifies, consistently prompting residents and visitors to be diligent about sun protection. Notably, this trend of high UV levels continues into June and July, with similar extreme readings. For more details on UV levels throughout the year, explore the comprehensive guide at Goto UV Index.

Maximum UV Index Levels in Goto for May

The chart shows the monthly maximum UV Index (UVI) for Goto 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 Goto typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210864
Data source: Goto 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 Goto

May in Goto, Japan, shines brightly with 288 hours of glorious sunshine, marking it as a delightful transition into the warmer months. Following a steady rise from 153 hours in January to 283 hours in April, May showcases an impressive peak, highlighting the region's increasing warmth and vibrancy. This upward trend continues into the summer, with July and August reaching even more sun-soaked hours at 298 and 314 hours respectively, before gradually tapering off in the autumn. The pattern illustrates a clear seasonal rhythm, inviting visitors to bask in Goto's radiant May sunshine, a perfect prelude to the lazy, sun-drenched days of summer.

Monthly Sunshine Duration in Goto: May Highlighted

The May sunshine duration represents the total number of hours Goto 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h214h262h283h288h279h298h314h257h259h231h182h
Data source: Goto May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goto During May

As May approaches in Goto, Japan, the likelihood of sunny weather reaches a moderate 30%, mirroring the similar chances seen in January and July. This suggests a slight dip in sunshine compared to the warmer months of April and August, which feature higher percentages of 38% and 34%, respectively. Interestingly, the chance of sunny days tends to fluctuate significantly throughout the year, with October boasting the highest likelihood at 60%. While May may not guarantee abundant sunshine, it stands as a transitional month, hinting at the changing seasons and the vibrant beauty that awaits in the summer ahead.

Percentage of Sunny Days in May in Goto

The chart illustrates the percentage of sunny days in Goto 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 Goto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%39%36%38%30%28%22%34%38%60%46%31%
Data source: Goto May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goto in May

In Goto, Japan, the daylight duration shows a captivating trend as the year progresses. Starting in January with 10 hours of daylight, the duration gradually increases, reaching 11 hours in February and March, and then swiftly rising to 12 hours in April. May heralds the arrival of longer days, boasting 13 hours of daylight, which peaks in June and July at 14 hours, offering the sunniest stretch of the year. As summer fades, daylight begins to taper off, transitioning to 13 hours in August, and then steadily declining to 12 hours in September and 11 hours in October. By November and December, daylight is back down to 10 hours, completing a rhythmic cycle that beautifully reflects the changing seasons.

Average Daylight Hours in Goto for May

The chart illustrates the variation in daylight duration in Goto throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h11h 59m12h 59m13h 49m14h 15m14h 2m13h 18m12h 20m11h 20m10h 28m10h 1m
Data source: Goto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Goto

In Goto, Japan, the month of May sees a noticeable decline in wind speed, averaging just 5.5 m/s (12 mph), making it one of the calmer months in the year. This gentle breeze is a stark contrast to the stronger winds of the earlier months, with January and February reaching over 8 m/s. As spring transitions to summer, the winds remain relatively mild, peaking again in July and August at around 5.6 m/s and 5.9 m/s, respectively. This trend of decreasing wind speed from April to May suggests a shift in seasonal dynamics, as the warm weather starts to take hold, offering a tranquil and pleasant atmosphere ideal for outdoor activities in this picturesque setting.

Average May Wind Speed in Goto

The chart displays monthly wind speed patterns in Goto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.68.57.87.15.5 m/s4.75.65.96.66.27.48.1
Data source: Goto May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Goto Compares to Other Months

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

In May, temperatures are considerably warmer, with a minimum of 15°C (59°F) and an average of 19°C (67°F), peaking at a pleasant 23°C (73°F). The month experiences higher humidity at 87% and significant precipitation, with 164 mm (6.4 in) falling over 9 days. In contrast, January is much cooler, featuring a minimum temperature of 2°C (36°F) and an average of 10°C (50°F), with a maximum reaching 20°C (67°F). Despite having the same number of rainy days, January sees lower precipitation levels of 74 mm (2.9 in) and relatively lower humidity at 73%. For more details, you can check the Goto weather in January.

May and February present quite contrasting weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a pleasant average of 19°C (67°F), peaking at 23°C (73°F), while February sees cooler temperatures, with a minimum of 2°C (36°F) and an average of 10°C (50°F), reaching up to 18°C (64°F). Additionally, May experiences significantly higher precipitation at 164 mm (6.4 in) over 9 days compared to February's 96 mm (3.8 in) spread over 12 days. The humidity is also notably higher in May at 87%, while February maintains a more moderate level at 69%. For more details on February weather, you can visit Goto weather in February.

In March, the weather is noticeably cooler, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 19°C (66°F), making it a much brisker month than May. In contrast, May sees warmer temperatures, with a minimum of 15°C (59°F) and an average of 19°C (67°F), peaking at 23°C (73°F). While March experiences slightly less precipitation at 148 mm (5.8 in) over 12 days, May is wetter, with 164 mm (6.4 in) of rainfall spread over 9 days. Additionally, humidity levels are higher in May, reaching 87%, compared to March's more moderate 71%. For more specific details about March weather, Goto weather in March.

In comparing the weather between April and May, it’s evident that May brings warmer temperatures, with an average of 19°C (67°F) compared to April's 16°C (61°F). While both months experience precipitation on 9 days, May has a higher total rainfall of 164 mm (6.4 in) compared to April's 127 mm (5.0 in). Additionally, May is noticeably more humid, with an average humidity of 87%, while April maintains a lower humidity level of 79%. For more details on April's weather, you can explore Goto weather in April.

May and June exhibit distinct differences in weather patterns. In May, temperatures typically range from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), with an average of 19°C (67°F). The month experiences significant precipitation, totaling 164 mm (6.4 in) over about 9 rainy days, along with a high humidity level of 87%. In contrast, June sees warmer temperatures, with a minimum of 19°C (66°F), an average of 22°C (72°F), and a maximum of 26°C (79°F). However, it also experiences increased rainfall, accumulating 198 mm (7.8 in) over 13 days, and slightly higher humidity at 91%. For more details, check out Goto weather in June.

May and July weather in the region shows significant contrasts. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), with an average of 19°C (67°F). The month experiences considerable rainfall, totaling 164 mm (6.4 in) over 9 days, and a high humidity level of 87%. In contrast, July is warmer, featuring a minimum temperature of 21°C (71°F) and a maximum of 29°C (85°F), averaging 26°C (79°F). However, July sees increased precipitation, with 293 mm (11.5 in) over 14 days and even higher humidity at 97%. These differences highlight a transition from the mild, rainy conditions of May to the hot, humid, and wetter climate of July. For more detailed information, you can check Goto weather in July.

May typically experiences milder temperatures, with a minimum of 15°C (59°F) and an average of 19°C (67°F), peaking at about 23°C (73°F). However, it also sees significant rainfall, with 164 mm (6.4 in) over approximately 9 days and a high humidity level of 87%. In contrast, August is considerably warmer, starting at a minimum of 21°C (69°F) and averaging 28°C (82°F) with a maximum reaching 30°C (86°F). This month also brings more precipitation, totaling 256 mm (10.1 in) over around 13 days, contributing to an increased humidity of 94%. For more details, you can check the weather patterns for the region Goto weather in August.

In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), with an average of 19°C (67°F). The month typically experiences 164 mm (6.4 in) of precipitation over about 9 days, creating a humid environment with an average humidity level of 87%. In contrast, September brings warmer weather, with temperatures ranging from a minimum of 21°C (70°F) to a high of 30°C (86°F), averaging 25°C (78°F). However, it is also rainier, receiving 237 mm (9.3 in) over 15 days, but with slightly lower humidity at 84%. For a detailed look at what to expect, check out Goto weather in September.

In May, the weather is characterized by cooler temperatures, with an average of 19°C (67°F) and a maximum of 23°C (73°F), alongside high humidity levels at 87%. The month is also quite wet, receiving 164 mm (6.4 in) of rainfall over 9 days. In contrast, October brings warmer conditions, with temperatures averaging 21°C (71°F) and reaching a maximum of 27°C (80°F). While it experiences slightly less rainfall at 132 mm (5.2 in) over the same number of days, the humidity drops to a more comfortable 79%. For a closer look at weather specifics during October, you can visit Goto weather in October.

May and November present contrasting weather conditions, particularly in terms of temperature and humidity. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), with an average of 19°C (67°F). This month also experiences higher precipitation, totaling 164 mm (6.4 in) over 9 days, and humidity levels are elevated at 87%. In contrast, November features a milder temperature range, with a minimum of 9°C (49°F) and an average of 17°C (63°F), peaking at 23°C (74°F). Precipitation is markedly less, totaling 60 mm (2.4 in) over the same number of days, and the humidity drops to a more comfortable 75%. For more detailed information, you can check Goto weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 23°C (73°F), with a warm average of 19°C (67°F). The month sees significant rainfall, with 164 mm (6.4 in) spread over 9 days and high humidity levels of 87%. In contrast, December's climate is much cooler, with temperatures fluctuating between 4°C (40°F) and 22°C (72°F), averaging at 12°C (54°F). Precipitation decreases to 86 mm (3.4 in) over 11 days, and humidity is lower at 72%. For more details about December weather, you can visit Goto weather in December.

Compare Goto's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Goto

May in Goto brings a delightful warmth, distinct from the cooler months that precede it. With temperatures rising and an average hovering around a comfortable 19°C (67°F), outdoor enthusiasts can relish the lush landscapes bathed in springtime blooms. While May does see some precipitation, with 9 days of rain accumulating about 164 mm (6.4 in), this adds to the region's vibrant greenery rather than dampening the spirit. The increased humidity at 87% subtly enhances the tropical feel of the island, making it a perfect time to explore its natural beauty. For more insights into the climate trends, visit Goto Climate.