May Weather in Numazu, Japan

Last updated: August 21, 2025

Experience the vibrant spring atmosphere in Numazu, Japan during May, where maximum temperatures reach a pleasant 24°C (76°F) and the average temperature hovers around 18°C (64°F). The month is characterized by a minimum temperature of 12°C (53°F), ensuring comfortable days and cool evenings. With precipitation totaling 236 mm (9.3 in) over 12 days, May introduces a lush, green landscape that's perfect for outdoor exploration. Humidity levels sit at a comfortable 81%, creating an invigorating environment perfect for enjoying the region's natural beauty and cultural offerings. Embrace the refreshing beauty of late spring in Numazu!

May Temperature in Numazu

In May, Numazu, Japan, transitions into a more vibrant spring, with temperatures that reflect this change. The month starts off with a minimum of 12°C (53°F) and peaks at a comfortable maximum of 24°C (76°F), resulting in an average of 18°C (64°F). This notable rise in temperature, following the cooler April days, marks a clear trend towards warmth and longer days, making May an ideal time for outdoor activities and appreciating the blossoming nature. As the city inches closer to summer, the growing warmth becomes an inviting backdrop for locals and visitors alike.

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

The chart illustrates May temperature patterns in Numazu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Numazu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464651576470767975675950
Data source: Temperature data for Numazu 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 Numazu

In Numazu, Japan, May marks a significant increase in precipitation, with 236 mm (9.3 in) recorded over 12 days of rainfall. This highlights a continuous upward trend in rainfall as spring transitions into early summer, following April's total of 226 mm. The rain showers not only support the region's lush greenery but also indicate the onset of the wetter months ahead, particularly June, which typically sees even higher levels of precipitation. The gradual increase from May through July reflects Numazu's climate pattern, where each month brings greater moisture, setting the stage for the vibrant growth of nature in this coastal city.

May Precipitation Trends in Numazu

The chart displays monthly precipitation patterns in Numazu, 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 Numazu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec719921922723628643722324229610284
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Numazu

In May, Numazu, Japan, experiences a significant uptick in humidity, reaching 81%, marking the transition into the warmer season. Following a mild April, where humidity hovered around 74%, May sets the stage for the upcoming summer months, which gradually bring rising humidity levels. This trend continues into June with a notable increase to 88%, reaching a peak in July at 93%. The increase in moisture levels during May not only signals a shift in weather patterns but also prepares residents for the wetter months ahead, where humidity remains high, particularly throughout the summer. As such, May serves as a pivotal month, bridging the gap between the cooler spring and the high-humidity summer, ensuring that the lush landscapes of Numazu are well-nourished and thriving.

May Average Humidity in Numazu

This chart illustrates the average monthly humidity levels in Numazu, 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 Numazu 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 Numazu

As spring transitions into summer in Numazu, Japan, May brings an extreme UV Index of 11, marking a sharp increase from the previous months. With a burn time of just 10 minutes, it's crucial to take sun protection seriously during this time. The UV Index escalates from moderate in January to a peak of extreme by May, reflecting the growing intensity of sunlight as the season progresses. Observing this trend, we also see that June and July maintain the same intensity, challenging residents and visitors alike to remain vigilant against UV exposure. To stay informed and protected, check out the detailed Numazu UV Index.

Maximum UV Index Levels in Numazu for May

The chart shows the monthly maximum UV Index (UVI) for Numazu 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 Numazu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Numazu 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 Numazu

As spring stretches into summer in Numazu, Japan, May shines brightly with an impressive 282 hours of sunshine, marking a peak in daylight that sets the stage for vibrant outdoor activities. This month not only showcases a notable increase from April's 260 hours, but it also reflects a steady upward trend in sunlight since the year began, where January started with a modest 189 hours. Following May, August outshines with 285 hours, while June dips slightly to 253 hours, suggesting a fluctuating but generally favorable pattern of sunshine that characterizes Numazu's early summer. This trend highlights the region's delightful transition into warmer months, inviting both locals and visitors to bask in the beauty of its sunny days.

Monthly Sunshine Duration in Numazu: May Highlighted

The May sunshine duration represents the total number of hours Numazu 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h225h249h260h282h253h229h285h236h201h223h227h
Data source: Numazu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Numazu During May

In Numazu, Japan, May marks a distinct shift in sunny weather potential, with a 26% chance of sunshine—a significant drop from the preceding months. This trend highlights May as one of the cloudier times of the year, especially when compared to the sunnier January (58%) and February (65%). As the rainy season approaches in June (24%), the chances of vibrant days for outdoor activities diminish. While springtime blossoms are beautiful, May's weather often offers a touch of unpredictability, making it essential for residents and visitors alike to brace for overcast skies, especially as the month progresses. Transitioning from the brighter April (49%), the lingering clouds remind us that summer's radiant warmth is just around the corner.

Percentage of Sunny Days in May in Numazu

The chart illustrates the percentage of sunny days in Numazu 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 Numazu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%41%49%26%24%31%35%33%47%64%73%
Data source: Numazu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Numazu in May

In Numazu, Japan, daylight duration shows a captivating trend through the months, peaking in late spring and early summer. January and February start with a consistent 10 hours, as winter holds the days shorter. However, as spring unfolds, March brings a gradual increase to 11 hours, paving the way for April’s notable leap to 13 hours. By May, residents can bask in an impressive 14 hours of daylight, a pattern that continues through June and July. As summer starts to wane, the sunlight begins to retreat, with August seeing a slight decline to 13 hours. This gentle taper continues into autumn, with September offering 12 hours, before daylight dips back to 10 hours in November and a mere 9 hours by December. Overall, the rhythm of daylight in Numazu paints a vivid picture of seasonal change, enhancing the beauty of each month.

Average Daylight Hours in Numazu for May

The chart illustrates the variation in daylight duration in Numazu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 53m11h 58m13h 4m14h14h 27m14h 13m13h 25m12h 22m11h 16m10h 19m9h 49m
Data source: Numazu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Numazu

In Numazu, Japan, the May winds usher in a gentle breeze, averaging 3.4 m/s (8 mph), an inviting shift from the chill of earlier months. This slight increase from April's 3.2 m/s highlights a pattern where spring transitions gradually into the warmer season, yet the winds remain moderate. Interestingly, the winds follow a noticeable dip in June, reaching their lowest at 2.2 m/s (5 mph), suggesting that the allure of a calm summer is on the horizon. This trend indicates a natural ebb and flow in wind patterns, providing a refreshing atmosphere perfect for outdoor activities as locals embrace the beauty of late spring. As the year progresses, the overall shift from the briskness of winter to the softer touch of spring and summer becomes evident, enhancing the charm of Numazu's coastal landscape.

Average May Wind Speed in Numazu

The chart displays monthly wind speed patterns in Numazu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.52.93.23.4 m/s2.22.43.23.23.03.64.0
Data source: Numazu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Numazu Compares to Other Months

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

May and January present quite contrasting weather patterns. In May, temperatures are markedly warmer, with averages around 18°C (64°F) and maximums reaching up to 24°C (76°F), while January features much cooler conditions, with average temperatures of only 8°C (46°F) and highs of 17°C (62°F). Additionally, May experiences significantly higher precipitation at 236 mm (9.3 in) over 12 days, compared to January's more manageable 71 mm (2.8 in) across just 6 days. Humidity levels are also slightly higher in May at 81%, compared to January's 76%. For a closer look at January's specific weather conditions, check out Numazu weather in January.

May and February present contrasting weather patterns, showcasing the transition from the coolness of winter to the warmth of spring. In February, temperatures range from a chilly minimum of 1°C (33°F) to a maximum of 17°C (63°F), with an average of 8°C (46°F), while May boasts a more comfortable climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), averaging 18°C (64°F). Additionally, May experiences significantly higher precipitation, measuring 236 mm (9.3 in) over 12 days, compared to February's 99 mm (3.9 in) across just 8 days. The humidity also tends to be higher in May at 81%, compared to February's 74%. For a closer look at February's weather specifics in Numazu, check out Numazu weather in February.

In comparing the weather of May and March, we can see a notable contrast. May experiences a warmer climate with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), whereas March has cooler temperatures, averaging between 3°C (38°F) and 19°C (67°F). The humidity in May is higher at 81%, compared to March's 70%, contributing to a more humid feel. Additionally, while both months have similar precipitation levels, May receives slightly more with 236 mm (9.3 in) over 12 days, compared to March’s 219 mm (8.6 in) over 13 days. For more details on March weather, you can check Numazu weather in March.

In comparing the weather between April and May, we see a noticeable transition as spring progresses. May experiences warmer temperatures, with minimums around 12°C (53°F) and an average of 18°C (64°F), compared to April's cooler temperatures with a minimum of 5°C (42°F) and an average of 14°C (57°F). Additionally, while both months see significant rainfall, May has slightly higher precipitation levels at 236 mm (9.3 in) over 12 days, compared to April's 226 mm (8.9 in) over 11 days. Humidity also rises in May to 81%, reflecting the increased moisture in the air. For more detailed insights into April weather, you can visit Numazu weather in April.

In comparing the weather conditions of May and June, we see a notable transition. May features milder temperatures, with an average of 18°C (64°F) and a maximum of 24°C (76°F), while June warms up slightly, averaging 21°C (70°F) and peaking at 26°C (80°F). However, June also brings increased precipitation, rising from 236 mm (9.3 in) over 12 rainy days in May to 286 mm (11.3 in) across 16 days in June, indicating a wetter month ahead. Additionally, humidity levels rise from 81% in May to 88% in June, contributing to a more humid feel during the latter month. For more details about this month's climate, check out Numazu weather in June.

May and July present distinctly different weather patterns. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), with an average of 18°C (64°F). The month experiences considerable rainfall, totaling 236 mm (9.3 in) over approximately 12 days, coupled with a high humidity level of 81%. In contrast, July sees warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching 31°C (87°F), averaging 24°C (76°F). Rainfall increases significantly to 437 mm (17.2 in) over 21 days, while humidity rises even further to 93%. These differences indicate that July is not only hotter but also wetter and more humid than May. For more specifics, you can visit Numazu weather in July.

When comparing the weather in May and August, a noticeable shift occurs in temperature and humidity. May experiences milder temperatures, with a minimum of 12°C (53°F), an average of 18°C (64°F), and a maximum of 24°C (76°F). In contrast, August brings significantly warmer conditions, with minimums around 21°C (70°F) and highs reaching up to 31°C (89°F), resulting in an average of 26°C (80°F).

Precipitation levels are fairly similar, with May recording 236 mm (9.3 in) over 12 days, while August sees slightly less at 223 mm (8.8 in) over 16 days. Additionally, humidity levels are higher in August at 90%, compared to May’s 81%. For more detailed information, you can refer to Numazu weather in August.

May and September both exhibit mild temperatures, but September generally feels warmer. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), with an average temperature of 18°C (64°F). In contrast, September boasts warmer conditions with minimum temperatures beginning at 17°C (63°F) and reaching up to 30°C (85°F), averaging 24°C (75°F).

Both months experience considerable rainfall, though September sees slightly more precipitation (242 mm or 9.5 in over 17 days) than May (236 mm or 9.3 in over 12 days). The humidity is also noticeably higher in September at 86%, compared to May's 81%. For those interested in understanding the weather during this time, you can learn more here: Numazu weather in September.

May and October exhibit somewhat similar yet distinct weather patterns. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), with an average of 18°C (64°F). The month receives significant precipitation, totaling 236 mm (9.3 in) over approximately 12 days, and the humidity levels hover around 81%. In contrast, October presents slightly warmer temperatures, with minimums of 13°C (55°F) and maximums reaching 27°C (81°F), averaging at 19°C (67°F). This month experiences even higher rainfall, accumulating 296 mm (11.6 in) over 16 days, while humidity remains close behind at 83%. For more detailed insights, check out Numazu weather in October.

May and November showcase distinct weather patterns. In May, temperatures range from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), with an average of 18°C (64°F). This month experiences significant rainfall, with about 236 mm (9.3 in) over 12 days, resulting in a humid environment with 81% humidity. In contrast, November sees cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 22°C (71°F), averaging 15°C (59°F). Precipitation decreases to 102 mm (4.0 in) over just 10 days, and humidity remains relatively stable at 80%. For a closer look at weather specifics in November, visit Numazu weather in November.

In May, the weather is generally warmer with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (76°F), while December experiences much cooler temperatures, averaging between 1°C (35°F) and 19°C (67°F). May also sees significantly higher precipitation, with 236 mm (9.3 in) over approximately 12 days, compared to December's 84 mm (3.3 in) across just 8 days. Despite the slight difference in humidity, May's higher levels at 81% contribute to a more humid feeling compared to December's 78%. For those interested in more specifics about December weather, you can check out Numazu weather in December.

Compare Numazu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Numazu

In May, Numazu experiences a delightful transition into warmer weather, setting itself apart from the cooler, wetter months of early spring. With averages climbing to 18°C and occasional peaks of up to 24°C, residents and visitors alike can enjoy the blossoming scenery under more moderate temperatures. However, with 236 mm of precipitation spread over about 12 days, May also brings a fair share of rain, contributing to the lush landscapes that define this region. The high humidity at 81% can make the air feel a bit heavier, contrasting with the crispness of earlier months, yet it creates a perfect environment for outdoor activities and nature walks. For a comprehensive overview of Numazu's weather patterns, visit Numazu Climate.