May Weather in Tateyama, Japan

Last updated: August 21, 2025

In May, Tateyama, Japan, experiences a mild climate characterized by a maximum temperature of 23°C (73°F), an average of 19°C (66°F), and a minimum of 13°C (55°F). This month marks the transition to warmer weather, yet it also brings significant precipitation, with an average of 155 mm (6.1 in) spread over 10 days. The air remains notably humid, with levels around 81%, creating a lush, vibrant atmosphere that is emblematic of Tateyama's beautiful spring landscape.

May Temperature in Tateyama

In Tateyama, Japan, May marks a delightful transition into warmer weather, showcasing a noticeable rise in temperatures compared to the cooler months preceding it. With a minimum of 13°C (55°F) and an average temperature reaching 19°C (66°F), residents and visitors alike can enjoy the bloom of spring in full swing. The maximum temperature peaks at 23°C (73°F), inviting outdoor activities against a backdrop of stunning landscapes. This warm trend continues as June approaches, highlighting a significant shift from the chill of earlier months like January, which had highs of just 19°C (66°F). Overall, May embodies a vibrant embrace of warmth and growth, setting the stage for the approaching summer.

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

The chart illustrates May temperature patterns in Tateyama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tateyama, 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).
JanFebMarAprMayJunJulAugSepOctNovDec495055596671778076706354
Data source: Temperature data for Tateyama 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 Tateyama

May in Tateyama, Japan, brings a delightful crescendo of precipitation, with an average of 155 mm (6.1 in) falling over 10 days. This month stands out in its transition from the drier spring months, as the region prepares for the lushness of summer. Compared to April's 132 mm, May's rainfall signifies a notable increase, suggesting an invigorating shift in the climate. This rise in precipitation paves the way for vibrant flora and enhances the region's picturesque landscapes. As the days grow longer and warmer, the thriving ecosystem of Tateyama is nourished, setting the stage for the wettest months ahead.

May Precipitation Trends in Tateyama

The chart displays monthly precipitation patterns in Tateyama, 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 Tateyama, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec756417413215520622711919730813480
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tateyama

As spring transitions into summer, May in Tateyama, Japan, experiences a notable uptick in humidity, reaching 81%. This rise marks a continuation of the gradual increase seen from the earlier months, where humidity hovered around 70% to 76%. Notably, this increase paves the way for a humid summer, with the subsequent month of June soaring to 88%, and July peaking at a striking 93%. This trend highlights the region's shift towards a more moist and balmy atmosphere, setting the stage for the lush greenery that characterizes Tateyama's natural beauty during the warmer months. The notable humidity not only has implications for the climate but also enhances the vibrancy of the local flora, making May a crucial month in the seasonal transition.

May Average Humidity in Tateyama

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

In May, Tateyama, Japan, experiences an extreme UV Index of 11, indicating a significant rise in sun exposure risks. This marks the peak of a trend that begins in early spring, escalating from a moderate Index of 4 in January to a very high Index of 10 in April. As temperatures rise and daylight lengthens, the burn time sharply decreases, with just 10 minutes of unprotected sun exposure becoming sufficient to cause damage. This strong UV radiation continues into June and July, underscoring the importance of sun protection during this time. For detailed UV Index forecasts and safety tips, visit Tateyama UV Index.

Maximum UV Index Levels in Tateyama for May

The chart shows the monthly maximum UV Index (UVI) for Tateyama 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 Tateyama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111111110754
Data source: Tateyama 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 Tateyama

May in Tateyama, Japan, welcomes an impressive 286 hours of sunshine, setting the stage for glorious outdoor adventures. This month marks a peak in sunlight, following a steady climb from 187 hours in January through 269 hours in April. After May, the sunlight begins to wane slightly, with 262 hours in June and continuing to decrease through the summer months. Interestingly, while summer often boasts longer days, it’s May that truly shines as the sunniest month, effectively bridging the gap between the vibrant blooms of spring and the lush landscapes of summer. As such, May offers a splendid opportunity to bask in the warm rays before the sunshine begins its gradual retreat.

Monthly Sunshine Duration in Tateyama: May Highlighted

The May sunshine duration represents the total number of hours Tateyama 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h224h255h269h286h262h249h297h239h205h226h226h
Data source: Tateyama May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tateyama During May

In Tateyama, Japan, the likelihood of sunny weather experiences a notable dip in May, with only a 27% chance of sunshine. This decline is particularly striking when compared to the preceding months of January through April, which maintain higher percentages between 50% and 63%. After May, the trend continues downward into June, highlighting the transition towards a wetter season. As we move into the summer months, the probability of sunshine gradually improves, yet it remains below the earlier part of the year. Thus, those planning to visit Tateyama in May should prepare for overcast skies, making it a perfect time for indoor activities or exploring the region's lush landscapes.

Percentage of Sunny Days in May in Tateyama

The chart illustrates the percentage of sunny days in Tateyama 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 Tateyama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%63%42%50%27%26%38%41%30%47%60%66%
Data source: Tateyama May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tateyama in May

In Tateyama, Japan, the daylight duration undergoes a captivating transformation throughout the year. Starting from a steady 10 hours in January and February, the days slowly begin to lengthen, reaching 11 hours by March. As spring unfolds, April sees a noteworthy increase to 13 hours, a trend that is maintained in May, allowing residents to fully embrace the beauty of the blooming season. The days continue to stretch in June and July, peaking at 14 hours, providing ample opportunity for outdoor activities under the vibrant summer sun. However, as summer fades, daylight gradually decreases, returning to 13 hours in August and transitioning to 12 hours in September. By October, the light diminishes further to 11 hours, finally tapering to 10 hours and then 9 hours by the end of the year. This rhythmic cycle of daylight not only shapes the local lifestyle but also creates a dynamic backdrop for the changing seasons in Tateyama.

Average Daylight Hours in Tateyama for May

The chart illustrates the variation in daylight duration in Tateyama 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 54m11h 58m13h 4m13h 59m14h 27m14h 13m13h 24m12h 22m11h 16m10h 19m9h 50m
Data source: Tateyama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Tateyama

In Tateyama, Japan, May brings a gentle wind that maintains an average speed of 7.0 m/s (16 mph), marking a transition into milder breezes following the higher velocities of early spring. The winds in May mirror those of April, both months showcasing a consistent airflow that contributes to the vibrant spring atmosphere. Interestingly, this calmness precedes a noticeable dip in wind speed during the summer, as June and July see averages drop to 4.6 m/s (10 mph) and 4.2 m/s (9 mph) respectively. This trend highlights May as a bridge between the brisk conditions of winter and the more tranquil summer months, inviting residents and travelers alike to revel in the refreshing yet stable breezes before the summer heat settles in.

Average May Wind Speed in Tateyama

The chart displays monthly wind speed patterns in Tateyama, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.68.46.97.07.0 m/s4.64.26.46.76.97.68.0
Data source: Tateyama May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Tateyama Compares to Other Months

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

May and January present notably different weather patterns. In May, temperatures range from a cool 13°C (55°F) to a warm 23°C (73°F), with an average of 19°C (66°F), while January experiences chillier conditions, with a minimum of 2°C (36°F) and a maximum of 19°C (66°F), averaging just 10°C (50°F). Additionally, May sees higher rainfall, with 155 mm (6.1 in) over approximately 10 days, compared to January's 75 mm (3.0 in) spread across about 7 days. The humidity in May is also higher at 81%, whereas January maintains a slightly lower level at 76%. For a more detailed look at January weather conditions, check out Tateyama weather in January.

May and February exhibit quite contrasting weather patterns. In May, temperatures are significantly warmer, with a minimum of 13°C (55°F) and an average of 19°C (66°F), while February sees much cooler temperatures that range from a minimum of 3°C (38°F) to an average of 10°C (50°F). Precipitation also varies, with May receiving 155 mm (6.1 in) of rain over approximately 10 days, compared to February's 63 mm (2.5 in) over 9 days. Additionally, humidity in May is higher at 81%, compared to February's 74%. For more information on February weather, you can check Tateyama weather in February.

In comparing the weather between March and May, May generally showcases warmer temperatures, with an average of 19°C (66°F), significantly higher than March's average of just 13°C (55°F). While both months experience precipitation, March sees a bit more with 174 mm (6.8 in) over 14 days, compared to May's 155 mm (6.1 in) spread across 10 days. Additionally, May is characterized by higher humidity levels at 81%, compared to March's 70%. For those interested in more detailed insights, you can find additional information at Tateyama weather in March.

In comparison to April, May typically experiences milder temperatures with a minimum of 13°C (55°F) and an average of 19°C (66°F), rising to a maximum of 23°C (73°F), whereas April's temperatures range from a minimum of 7°C (45°F) to an average of 15°C (59°F) and a maximum of 21°C (71°F). Additionally, May sees a slight increase in precipitation, reaching 155 mm (6.1 in) over 10 days, compared to April's 132 mm (5.2 in) over the same number of days. Humidity levels also rise in May, averaging 81%, compared to April's 74%. For more specific insights on temperature and conditions, you can check Tateyama weather in April.

May and June present a noticeable transition in weather patterns. In May, the temperatures range from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), with an average of 19°C (66°F). The month sees about 155 mm (6.1 in) of precipitation over approximately 10 days, accompanied by a humidity level of 81%. In contrast, June brings warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 25°C (77°F), averaging 22°C (71°F). However, it also experiences increased rainfall, totaling 206 mm (8.1 in) across 13 days, and higher humidity at 88%. This shift indicates that while June is warmer, it is also wetter than May. For more details about June weather, check Tateyama weather in June.

May and July exhibit distinct weather characteristics, reflecting a transition from spring to summer. In May, temperatures range from a mild 13°C (55°F) to a comfortable 23°C (73°F), with an average of 19°C (66°F). The month experiences 155 mm (6.1 in) of rainfall over approximately 10 days, accompanied by humidity levels around 81%. In contrast, July sees significantly warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 28°C (83°F), averaging 25°C (77°F). However, it is also a wetter month, receiving 227 mm (8.9 in) of precipitation over about 14 days and higher humidity at 93%. This comparison highlights how July's weather is not only warmer but also more humid and rainy than that of May. For more details, check out Tateyama weather in July.

May and August present contrasting weather experiences. In May, temperatures range from a mild minimum of 13°C (55°F) to a comfortable maximum of 23°C (73°F), with an average of 19°C (66°F). The month sees significant rainfall, averaging 155 mm (6.1 in) over about 10 days, accompanied by high humidity at 81%. In contrast, August is much warmer, with minimum temperatures around 22°C (72°F) and maximums reaching 30°C (86°F), leading to a higher average of 27°C (80°F). Although August has less rainfall at 119 mm (4.7 in), it experiences slightly higher humidity levels at 90%. For a more detailed look at August weather, you can check Tateyama weather in August.

May and September present quite different weather patterns. In May, temperatures range from a mild 13°C (55°F) to a pleasant 23°C (73°F), with an average of 19°C (66°F). The month is characterized by considerable rainfall, accumulating 155 mm (6.1 in) over approximately 10 days, and a humidity level of 81%. In contrast, September sees warmer conditions, with temperatures starting from 20°C (68°F) and peaking at 29°C (84°F), averaging 25°C (77°F). It also experiences increased precipitation, totaling 197 mm (7.8 in) over about 17 days, alongside a slightly higher humidity of 86%. For more specific details, you can refer to Tateyama weather in September.

May and October present distinct weather characteristics, highlighting the transition between spring and autumn. May features a more moderate temperature range, with minimums around 13°C (55°F) and maximums peaking at 23°C (73°F), alongside a total precipitation of 155 mm (6.1 in) over approximately 10 days, yielding a humidity level of 81%. In contrast, October enjoys slightly warmer temperatures, with minimums at 15°C (59°F) and maximums reaching 27°C (81°F). However, it also experiences heavier rainfall, accumulating 308 mm (12.1 in) over about 16 days, resulting in a similar humidity level of 83%. For a more detailed look at October weather, you can check Tateyama weather in October.

May and November present markedly different weather patterns, despite sharing some temperature similarities. In May, temperatures range from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), with an average of 19°C (66°F). This month experiences higher precipitation at 155 mm (6.1 in) over approximately 10 days, combined with relatively high humidity levels of 81%. Conversely, November sees cooler temperatures, with a minimum of 8°C (47°F) and an average of 17°C (63°F), while still reaching a maximum of 23°C (73°F). The precipitation during this month is slightly less at 134 mm (5.3 in) over 13 days, accompanied by a similar humidity of 80%. For more detailed information on November's weather, you can visit Tateyama weather in November.

May and December exhibit distinct weather patterns that reflect the transition from spring to winter. In May, temperatures are generally milder, with averages around 19°C (66°F) and highs reaching up to 23°C (73°F). This month is characterized by higher humidity levels at 81% and significant precipitation, totaling 155 mm (6.1 in) over approximately 10 days. In contrast, December experiences cooler temperatures, with an average of 12°C (54°F) and minimums dropping to around 4°C (40°F). Although December receives less rainfall, at 80 mm (3.1 in) over a similar number of days, the humidity remains relatively high at 78%. For a deeper look into winter conditions, check out Tateyama weather in December.

Compare Tateyama's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Tateyama

As May graces Tateyama with its presence, temperatures typically rise, providing a comfortable warmth with an inviting average of around 19°C. Unlike the cooler months prior, this month marks a noticeable transition into spring, with higher humidity levels reaching 81% adding a lush vibrancy to the surroundings. However, the 155 mm of precipitation spread over approximately 10 days serves as a reminder of the lingering spring showers, distinct from the drier months ahead. For those planning a visit, May offers an ideal blend of mild temperatures and the refreshing scent of spring, making it a delightful time to explore the beauty of Tateyama. For more detailed insights into the weather patterns, check out the full guide at Tateyama Climate.