May Weather in Urayasu, Japan

Last updated: August 21, 2025

In Urayasu, Japan, the weather in May showcases a delightful transition into warmer months, with a maximum temperature reaching up to 30°C (87°F) and an average of 19°C (67°F). While daytime warmth invites outdoor activities, evenings can be cooler, dipping to a minimum of 8°C (47°F). This period also brings considerable precipitation, totaling 125 mm (4.9 in) across 12 days, contributing to a lush landscape. With an average humidity level of 81%, the air remains pleasantly moist, enhancing the vibrant atmosphere of spring in this coastal city.

May Temperature in Urayasu

In Urayasu, Japan, May marks a delightful transition into warmer weather, showcasing a remarkable shift from the chill of previous months. With minimum temperatures climbing to 8°C (47°F) and an average of 19°C (67°F), this month serves as a precursor to summer. The maximum temperature can reach up to 30°C (87°F), inviting locals and visitors alike to enjoy outdoor activities amidst blooming landscapes. As the days grow longer and sunnier, there's a palpable sense of anticipation for the vibrant summer months ahead, making May a perfect time to experience the charm of Urayasu in full bloom.

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

The chart illustrates May temperature patterns in Urayasu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Urayasu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414350576772788275655646
Data source: Temperature data for Urayasu 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 Urayasu

In May, Urayasu experiences a notable increase in precipitation, with 125 mm (4.9 in) of rain falling over approximately 12 days. This substantial amount marks a continuation of the spring showers, contributing to a lively transition into summer. Compared to April's 116 mm (4.6 in) and March's 134 mm (5.3 in), May strikes a balance, maintaining a robust flow of moisture in the air. This trend hints at the region's increasing humidity and sets the stage for the more intense rainfall that follows in June and July, where average precipitation jumps significantly. As the month unfolds, the frequent showers nurture the vibrant landscapes that characterize Urayasu, creating a lush environment ripe for growth.

May Precipitation Trends in Urayasu

The chart displays monthly precipitation patterns in Urayasu, 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 Urayasu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49431341161251602241051922619064
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Urayasu

May ushers in a distinct shift in Urayasu, Japan, with humidity levels rising to 81%. This increase marks a noticeable trend as the weather transitions from the cooler spring months, where humidity hovered between 70% and 74%, to the warmth of early summer, which sees much higher humidity peaks. As June approaches, a dramatic jump to 88% sets the stage for the sweltering months ahead. The progression from May reflects a broader pattern, where each month gradually climbs, culminating in the peak summer humidity, pushing past 90% in July and August. This steady rise not only highlights the approach of Japan's humid season but also prepares residents for the lush, tropical feel that characterizes the region during these warmer months.

May Average Humidity in Urayasu

This chart illustrates the average monthly humidity levels in Urayasu, 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 Urayasu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Urayasu

As May arrives in Urayasu, Japan, residents and visitors are greeted with a notable spike in the UV Index, reaching a striking 10, classified as very high. This marks an increase from the 9 observed in April, signaling that sun exposure requires heightened caution. With a burn time of just 15 minutes, it's crucial to take protective measures against harmful UV rays. This trend reflects a broader pattern of increasing UV levels as spring transitions into summer, culminating in the extreme Index levels of June through August. As the days grow longer and sunnier, staying informed and prepared for sun safety becomes essential. For more detailed insights, visit Urayasu UV Index.

Maximum UV Index Levels in Urayasu for May

The chart shows the monthly maximum UV Index (UVI) for Urayasu 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 Urayasu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Urayasu 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 Urayasu

In Urayasu, Japan, May shines brightly with an impressive 281 hours of sunshine, marking a delightful peak in the early summer months. The trend clearly shows the days growing steadily longer from January’s 189 hours of sunshine, with a continuous rise culminating in May’s sunnier days. After a gradual increase from 256 hours in March and 270 hours in April, May's abundant sunlight not only enhances the scenery but also sets the stage for the vibrant energy of summer ahead. This month serves as a reminder of nature's warm embrace, leading into June's slightly cooler 257 hours, yet still keeping the spirit of spring alive.

Monthly Sunshine Duration in Urayasu: May Highlighted

The May sunshine duration represents the total number of hours Urayasu 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h230h256h270h281h257h238h288h234h201h225h224h
Data source: Urayasu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Urayasu During May

In Urayasu, Japan, the likelihood of enjoying sunny weather takes a notable dip in May, with just a 23% chance of clear skies. This trend marks a contrast to the sunnier months of early winter and late fall, where chances exceed 50%, peaking at 67% in February and lingering at 63% in December. The spring months lead up to May, showing a fluctuating pattern; April offers a modest 49%, while the preceding March plummets to 41%. However, as the summer heat approaches in June, the chance remains stagnant at 23%, indicating that May's weather may lean towards overcast conditions. Thus, if you're planning an outdoor adventure during this time, be prepared for sunshine to play hard to get!

Percentage of Sunny Days in May in Urayasu

The chart illustrates the percentage of sunny days in Urayasu 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 Urayasu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%67%41%49%23%23%33%36%27%49%59%63%
Data source: Urayasu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Urayasu in May

As spring unfolds in Urayasu, Japan, the duration of daylight begins to rise significantly. Starting at 10 hours in January and February, the days gradually lengthen, reaching 11 hours in March. By April, the arrival of warmer weather brings an increase to 13 hours, and May continues this trend with a delightful 14 hours of daylight—perfect for outdoor activities and enjoying nature. This peak in daylight is maintained through June and July, before beginning to taper off in August (13 hours) and September (12 hours). As autumn settles in, daylight gradually decreases to 11 hours in October and eventually down to 9 hours by December. This cyclical pattern showcases the enchanting rhythm of the seasons, allowing residents to savor the long, sunny days of summer before giving way to the tranquil charm of winter.

Average Daylight Hours in Urayasu for May

The chart illustrates the variation in daylight duration in Urayasu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 1m10h 52m11h 57m13h 5m14h 2m14h 31m14h 17m13h 27m12h 22m11h 15m10h 16m9h 46m
Data source: Urayasu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Urayasu

In Urayasu, Japan, the month of May brings a refreshing change in the wind, with an average speed of 4.6 m/s (10 mph), marking the peak for the year. This gentle yet invigorating breeze is a notable increase from the preceding months, as it rises from 4.1 m/s in April. Following May, however, a decline in wind intensity is observed, as speeds dip to 3.2 m/s in June. Throughout the year, a discernible pattern emerges: the spring months typically exhibit higher wind speeds, peaking in May before giving way to the lighter winds of summer. As the seasons shift, this trend underscores the dynamic nature of Urayasu's climate, where the lively winds of May invigorate the landscape and hint at the warmth of summer approaching.

Average May Wind Speed in Urayasu

The chart displays monthly wind speed patterns in Urayasu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.94.04.14.6 m/s3.22.84.13.63.73.03.5
Data source: Urayasu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Urayasu Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F). The month experiences relatively high humidity at 81% and significant rainfall, with 125 mm (4.9 in) over about 12 days. In stark contrast, January is much colder, featuring temperatures that vary from a frigid -7°C (20°F) to a mild 17°C (63°F), with an average of only 5°C (41°F). This winter month sees significantly less precipitation at 49 mm (1.9 in) over 5 days and a lower humidity of 76%. For more details, check out Urayasu weather in January.

May and February present distinct contrasts in weather patterns. In May, temperatures rise significantly, ranging from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F). The month also sees increased precipitation, totaling 125 mm (4.9 in) over 12 days, accompanied by a relatively high humidity of 81%. In contrast, February is much colder, with temperatures dipping as low as -3°C (27°F) and averaging just 6°C (44°F), peaking at 19°C (66°F). Precipitation is also lower, at 43 mm (1.7 in) over 7 days, and humidity is slightly lower at 74%. For more details, check out Urayasu weather in February.

In comparing the weather in May and March, there is a notable shift in temperature and humidity. May tends to be much warmer, with minimum temperatures around 8°C (47°F) and average highs reaching 19°C (67°F), while March sees more chilly conditions, starting as low as -2°C (29°F) with a maximum of 22°C (72°F). Precipitation levels are relatively similar, with May receiving 125 mm (4.9 in) and March slightly higher at 134 mm (5.3 in), both spread across 12 days of rain. However, the humidity is higher in May at 81%, compared to March’s 70%, creating a more muggy atmosphere for the later month. For a deeper look at March’s weather patterns, visit Urayasu weather in March.

In comparing the weather of April and May, a notable increase in temperature is observed as May typically experiences a minimum of 8°C (47°F) and a maximum of 30°C (87°F), compared to April's range of 2°C (37°F) to 26°C (79°F). The average temperature in May rises to 19°C (67°F), highlighting a significant warming trend as spring progresses. Precipitation levels are slightly higher in May, with 125 mm (4.9 in) over 12 days, compared to April's 116 mm (4.6 in) over 10 days, indicating that while both months are relatively wet, May tends to be rainier. Additionally, the humidity in May averages at 81%, which is higher than April's 74%, contributing to a more muggy atmosphere as the month advances. For a detailed look at April's weather, visit Urayasu weather in April.

May and June exhibit a notable transition in weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a pleasant average of 19°C (67°F), peaking at 30°C (87°F). Precipitation is moderate, totaling 125 mm (4.9 in) over about 12 days, with humidity levels averaging 81%. In contrast, June experiences warmer temperatures, with a minimum of 15°C (59°F) and an average of 22°C (72°F), reaching a maximum of 33°C (91°F). Rainfall increases to 160 mm (6.3 in) across 14 days, coupled with higher humidity at 88%. This shift highlights the warming trend and increased wetness typical of late spring to early summer. For more detailed information, you can visit Urayasu weather in June.

In May, the weather typically presents a milder climate with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 30°C (87°F) and an average of 19°C (67°F). The month sees around 125 mm (4.9 in) of precipitation across approximately 12 days, accompanied by a humidity level of 81%.

In contrast, July experiences significantly warmer conditions, with temperatures ranging from a minimum of 18°C (65°F) to a scorching maximum of 37°C (99°F), averaging 26°C (79°F). However, July is also wetter, with about 224 mm (8.8 in) of precipitation recorded over 18 days and a higher humidity level of 93%. For more detailed information on July weather, you can visit Urayasu weather in July.

Overall, while May offers a gentle spring climate, July brings the heat of summer along with increased rainfall and humidity.

May and August present contrasting weather conditions, with May experiencing milder temperatures and higher humidity levels. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F) and 125 mm of precipitation over 12 days. In contrast, August sees warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 35°C (95°F), averaging 28°C (82°F), while precipitation decreases slightly to 105 mm over 13 days. Notably, August's humidity is higher at 90%, compared to 81% in May. For more details, visit Urayasu weather in August.

When comparing the weather in May and September, clear differences emerge. May typically sees temperatures ranging from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F). In contrast, September tends to be warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), averaging 24°C (75°F). Precipitation also varies, with May experiencing 125 mm (4.9 in) over 12 days, while September has a higher total of 192 mm (7.6 in) across 16 days. Humidity is slightly higher in September at 86%, compared to May’s 81%. For more detailed insights, you can check out Urayasu weather in September.

May and October exhibit similar temperature ranges, with both months experiencing a minimum of 8°C (47°F), an average temperature around 19°C (66-67°F), and a maximum of 30°C (87°F). However, October sees a significant increase in precipitation, totaling 261 mm (10.3 in) over 15 days, compared to May's 125 mm (4.9 in) over 12 days. Additionally, humidity is slightly higher in October at 83%, compared to 81% in May, making the latter month feel a bit more comfortable. For a more detailed understanding of October conditions in Urayasu, visit Urayasu weather in October.

May and November present distinct weather patterns that reflect the transition between spring and autumn. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F). The month is characterized by high humidity at 81% and notable precipitation, totaling 125 mm (4.9 inches) over 12 days. In contrast, November experiences cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 23°C (74°F), settling at an average of 13°C (56°F). Precipitation is lower in November, with 90 mm (3.5 inches) across 10 days, while humidity slightly decreases to 80%. For more detailed information about November’s climate, visit Urayasu weather in November.

May and December offer contrasting weather conditions. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), with an average of 19°C (67°F), creating a warm and pleasant environment. However, it is also quite humid, with an 81% humidity level and significant precipitation of 125 mm (4.9 in) over 12 days.

In contrast, December experiences much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 21°C (70°F), averaging just 8°C (46°F). The month is drier with only about 64 mm (2.5 in) of precipitation spread over 7 days and a slightly lower humidity level of 78%. These differences highlight the seasonal transition, making May feel vibrant and warm, while December brings a crisp chill. For more detailed weather information, you can check Urayasu weather in December.

Compare Urayasu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Urayasu

As May unfolds in Urayasu, the transition into warmer weather becomes evident, with temperatures rising and humidity levels peaking at a comfortable 81%. Unlike the chill of winter or the coolness of early spring, May's climate invites outdoor activities, though with an average of 12 days of precipitation, visitors should be prepared for occasional showers. This month's pleasant warmth and moderate humidity create an inviting atmosphere for both locals and tourists; however, those planning their time should keep an eye on the skies. To learn more about the climate throughout the year, visit Urayasu Climate.