May Weather in Uji, Japan

Last updated: August 21, 2025

May in Uji, Japan, is characterized by a delightful blend of warmth and moisture, with maximum temperatures reaching up to 31°C (88°F) and an average hovering around 18°C (66°F). Despite these balmy conditions, the minimum temperatures dip to a cool 4°C (39°F), providing a refreshing contrast. The month brings about 154 mm (6.1 in) of precipitation over 12 days, contributing to a high humidity level of 83% that envelops the city. This mix of warmth and rain fosters a lush landscape, making May a vibrant and lively time to experience the natural beauty of Uji.

May Temperature in Uji

As spring transitions into summer, May in Uji, Japan showcases a delightful warmth that beckons outdoor exploration. With minimum temperatures rising to 4°C (39°F) and average highs reaching 31°C (88°F), the month delivers a refreshing escape from the chill of earlier months. The average temperature of 18°C (66°F) provides the perfect backdrop for enjoying the vibrant landscape as flowers bloom and greenery flourishes. This trend of increasing temperatures signals not just the arrival of warmth but also invites locals and visitors alike to partake in Uji’s rich cultural festivities. As the days get longer and the sun shines brightly, May becomes a celebrated time to experience the beauty and vitality of this charming city.

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

The chart illustrates May temperature patterns in Uji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uji, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394048566572798274645343
Data source: Temperature data for Uji 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 Uji

In May, Uji, Japan experiences consistent precipitation, with an average of 154 mm (6.1 in) of rain falling over 12 days. This amount reflects a slight decrease from April’s 157 mm, but still contributes to the region's rich spring verdancy. As the transition into the wetter summer months begins, May serves as a turning point, where rainfall starts to increase noticeably, paving the way for June's average of 161 mm. The steady rainfall throughout spring, with only a minor dip in precipitation, indicates a reliable pattern that nurtures the lush landscapes of Uji before the onset of the peak rainy season in July.

May Precipitation Trends in Uji

The chart displays monthly precipitation patterns in Uji, 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 Uji, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56621251581551613242281722464766
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Uji

In May, Uji, Japan experiences a notable rise in humidity, reaching 83%, which marks a shift towards the wetter season during the year. This increase follows a slight dip in April at 76%, highlighting a trend of escalating moisture as spring transitions into summer. As the days grow warmer, May's humidity sets the stage for the sweltering months ahead, with the peak humidity levels reached during the summer months of July at 93% and August at 91%. This pattern underscores Uji's climate, where the air becomes increasingly saturated as the year progresses, making May a crucial month in the transition from mild spring to the hot, humid conditions of summer.

May Average Humidity in Uji

This chart illustrates the average monthly humidity levels in Uji, 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 Uji is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Uji

As May unfolds in Uji, Japan, the UV Index reaches a staggering 11, signaling an extreme level of sun exposure that demands caution. With a burn time of just 10 minutes, residents and visitors alike should prioritize sun protection to avoid harmful effects. This notable rise from April's UV Index of 10 showcases a broader trend: from the gradual increase starting in January, where the index was a more manageable 4, the UV levels have escalated significantly as the months progress. As we step into June, July, and August, the UV Index remains at this extreme level, emphasizing the need for vigilance when enjoying outdoor activities. For those looking to enjoy the sunshine while staying safe, it's essential to stay informed about the UV forecast. More details can be found at Uji UV Index.

Maximum UV Index Levels in Uji for May

The chart shows the monthly maximum UV Index (UVI) for Uji 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 Uji typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Uji 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 Uji

In Uji, Japan, May shines brightly with 285 hours of sunshine, marking a delightful peak as spring transitions into early summer. This month beautifully continues the upward trend in sunlight hours, building from 272 hours in April. Following May, sunshine hours begin to taper off somewhat, dropping to 265 hours in June, while July and August still manage to deliver generous sunlight, peaking at 295 hours. Generally, Uji enjoys a clear increase in daylight from the dark winter months, demonstrating a seasonal rhythm that culminates in the sun-drenched days of summer. With each passing month, nature exuberantly unfolds, inviting residents and visitors alike to bask in its warm glow.

Monthly Sunshine Duration in Uji: May Highlighted

The May sunshine duration represents the total number of hours Uji 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h211h255h272h285h265h254h295h236h231h229h209h
Data source: Uji May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Uji During May

In Uji, Japan, the likelihood of sunny weather takes a noticeable dip in May, with only a 26% chance of sunshine, making it one of the cloudier months. This trend aligns with a gradual decrease in sunny days from the relatively brighter April, which boasts a 42% chance, down to June's even lower 21%. Interestingly, the sunny weather begins to rebound in the months following May, with October and November shining at 51% and 54% respectively. As such, while May may bring more overcast skies, it's a transitional month that paves the way for clearer invites in the upcoming seasons.

Percentage of Sunny Days in May in Uji

The chart illustrates the percentage of sunny days in Uji 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 Uji experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%47%37%42%26%22%29%24%27%51%54%52%
Data source: Uji May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Uji in May

As spring unfolds in Uji, Japan, May continues the trend of increasing daylight that began in earlier months. With 13 hours of daylight, the city enjoys ample sunlight, fostering a vibrant atmosphere. This trend of longer days peaks in June with 14 hours, inviting residents and visitors alike to make the most of the beautiful weather. As summer approaches, daylight gradually begins to wane again, dropping to 13 hours in August and then to 12 hours in September. This cyclical pattern demonstrates how the length of daylight not only marks the changing seasons but also enhances the daily experiences of those living in this picturesque region.

Average Daylight Hours in Uji for May

The chart illustrates the variation in daylight duration in Uji 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 25m12h 22m11h 16m10h 19m9h 49m
Data source: Uji daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Uji

In Uji, Japan, the wind conditions in May are characterized by a gentle breeze, with an average wind speed of 2.6 m/s (6 mph). This marks a slight decrease from the preceding months, reflecting a trend of diminishing wind as spring transitions into early summer. Notably, the wind speeds in January through April hover around the 3.0 m/s (7 mph) mark, creating a noticeably breezier atmosphere compared to May's calmer conditions. As the year progresses, the winds further subside, particularly in June with only 1.9 m/s (4 mph) recorded, indicating a possible seasonal shift that favors warmer, stiller days. Overall, May serves as a transitional phase, offering a blend of mild winds that gracefully complement the blossoming landscape of Uji.

Average May Wind Speed in Uji

The chart displays monthly wind speed patterns in Uji, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.13.02.92.6 m/s1.92.02.32.22.42.42.7
Data source: Uji May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Uji Compares to Other Months

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

May and January present stark contrasts in weather, showcasing the shift from the chill of winter to the warmth of spring. In January, temperatures can drop as low as -7°C (19°F) with a modest average of 4°C (39°F) and a maximum of 16°C (60°F). Conversely, May offers a more pleasant climate, featuring minimum temperatures of 4°C (39°F) and soaring to highs of 31°C (88°F), with an average temperature of 18°C (66°F). Precipitation is also notable, with January receiving only 56 mm (2.2 in) over 9 days, while May sees significant rainfall of 154 mm (6.1 in) spread across 12 days, though both months maintain similar humidity levels at around 82-83%. For more detailed insights about January weather, you can refer to Uji weather in January.

The weather in May is significantly warmer and more humid than in February. May sees average temperatures soaring to 18°C (66°F), with maximum highs reaching up to 31°C (88°F), while February’s temperatures are much cooler, averaging only 4°C (40°F) and peaking at 19°C (67°F). Additionally, May is characterized by higher precipitation, with 154 mm (6.1 in) of rain spread over 12 days, compared to February's 62 mm (2.5 in) over 9 days. Humidity levels are also elevated in May at 83%, compared to 79% in February, making the latter month feel crisper. For more detailed information about February weather, you can visit Uji weather in February.

In comparison, May's weather is significantly warmer than that of March, with average temperatures rising from 9°C (48°F) in March to 18°C (66°F) in May. The maximum temperature in May can reach up to 31°C (88°F), while March peaks at a milder 23°C (73°F). Precipitation levels in May are slightly higher at 154 mm (6.1 in) compared to March's 125 mm (4.9 in), though both months have the same number of rainy days at 12. Additionally, May experiences higher humidity at 83%, compared to 74% in March. For further details on March weather, visit Uji weather in March.

In comparing the weather of April and May, one can observe notable differences in both temperature and humidity. April experiences a cooler temperature range, with a minimum of 0°C (33°F) and a maximum of 26°C (80°F), leading to an average of 13°C (56°F). In contrast, May sees warmer temperatures, with minimums rising to 4°C (39°F) and maximums reaching 31°C (88°F), resulting in a higher average of 18°C (66°F). Additionally, while precipitation levels are similar—April receiving 157 mm (6.2 in) over 11 days and May 154 mm (6.1 in) over 12 days—humidity increases in May to 83%, compared to April's 76%. For a more detailed look at April weather specifics, check out Uji weather in April.

May and June present a notable transition 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 18°C (66°F). This month experiences 154 mm (6.1 in) of precipitation over 12 days and relatively high humidity at 83%. In contrast, June sees a rise in temperatures, with a minimum of 11°C (52°F) and a maximum of 32°C (89°F), leading to a warmer average of 22°C (72°F). Precipitation slightly increases to 161 mm (6.3 in) over 14 days, and humidity also rises to 87%. For more detailed insights, check out Uji weather in June.

May and July present strikingly different weather patterns. In May, temperatures range from a cool 4°C (39°F) at night to a warm average of 18°C (66°F) during the day, peaking at 31°C (88°F). Precipitation is moderate, with 154 mm (6.1 in) over about 12 days, and the humidity sits at 83%. In contrast, July is significantly warmer, featuring nighttime lows of 19°C (66°F) and average highs of 26°C (79°F), reaching extremes of 37°C (98°F). Rainfall increases dramatically to 324 mm (12.7 in) across 22 days, alongside higher humidity at 93%. This shift emphasizes July's more intense and humid conditions. For an in-depth look at July weather, check out Uji weather in July.

In comparing the weather between May and August, we can see notable differences in both temperature and precipitation. May experiences a wider range of temperatures, with a minimum of 4°C (39°F) and a maximum of 31°C (88°F), resulting in a comfortable average of 18°C (66°F). However, it also has a significant amount of rainfall, with 154 mm (6.1 in) over 12 days, and a humidity level of 83%.

In contrast, August offers warmer temperatures, with minimums at 17°C (63°F) and maximums reaching up to 37°C (98°F), resulting in a higher average of 28°C (82°F). The month also sees an increase in precipitation, totaling 228 mm (9.0 in) over 14 days, and a higher humidity of 91%. This makes August feel more oppressively warm and humid compared to the milder conditions of May. For more details on the August climate, refer to Uji weather in August.

When comparing the weather in May and September, several notable differences emerge. May experiences a wider temperature range, with lows dropping to 4°C (39°F) and highs reaching up to 31°C (88°F), while September offers milder minimums at 12°C (54°F) and warmer maximums peaking at 34°C (94°F). Despite May having slightly less precipitation at 154 mm (6.1 in) over 12 days, September sees a bit more with 172 mm (6.8 in) across 15 days. Humidity levels are fairly comparable, with May at 83% and September slightly higher at 87%. For a closer look at September weather specifics, visit Uji weather in September.

In comparing the weather of May and October, we note that both months feature similar average temperatures around 18°C (64°F), but October sees slightly higher minimum temperatures (6°C compared to May's 4°C) and a maximum temperature that can reach up to 32°C (89°F). Precipitation is notably greater in October, with 246 mm (9.7 in) falling over 13 days, which is quite a contrast to May's 154 mm (6.1 in) over 12 days. Humidity levels remain relatively high in both months, with October at 85% and May at 83%. For more detailed information on daily conditions, you can check Uji weather in October.

May and November present contrasting weather conditions. In May, temperatures can range from a chilly 4°C (39°F) at night to a warm average of 18°C (66°F) and peak at a high of 31°C (88°F) during the day. The month typically experiences considerable rainfall, with 154 mm (6.1 in) spread over about 12 days, accompanied by high humidity levels of 83%. In comparison, November features cooler temperatures, with a minimum of -1°C (31°F), an average of 12°C (53°F), and a maximum of 24°C (76°F). Rainfall drops significantly to 47 mm (1.8 in) over just 6 days, while the humidity remains steady at 83%. For more details, check Uji weather in November.

May and December present a striking contrast in weather. In May, temperatures range from a mild 4°C (39°F) to a warm 31°C (88°F), with an average of 18°C (66°F). The month sees significant rainfall, totaling 154 mm (6.1 in) over 12 days, coupled with high humidity at 83%. In contrast, December is much cooler, with temperatures dropping to a minimum of -9°C (17°F) and a maximum of 21°C (71°F), averaging just 6°C (43°F). Precipitation is lower at 66 mm (2.6 in) spread over 9 days, while humidity remains consistent at 83%. For more detailed insights into December weather, you can visit Uji weather in December.

Compare Uji's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Uji

In May, Uji experiences a delightful transition as temperatures rise, bringing a vibrant warmth that sets it apart from the cooler months. With an average temperature of 18°C, the city starts to bloom, infusing the air with a sense of renewal. However, May is also marked by higher humidity levels and a notable amount of precipitation, leading to lush landscapes but also the occasional rainy day. This blend of warmth and moisture makes May a unique time in Uji, perfect for enjoying the outdoors while experiencing the rich beauty of the season. For a detailed look at how May weather fits into the overall yearly pattern, visit Uji Climate.