May Weather in Ise, Japan

Last updated: August 21, 2025

May in Ise, Japan is characterized by mild temperatures and a fairly humid atmosphere. The maximum temperature reaches up to 29°C (84°F), while the average hovers around a comfortable 20°C (68°F), dropping to a cool minimum of 10°C (51°F) at night. This month also witnesses significant rainfall, with an overall precipitation of 169 mm (6.6 in) spread over 12 days, contributing to the lush greenery that this region is known for. With an average humidity level of 83%, visitors can expect a refreshing and vibrant environment that beautifully encapsulates the essence of spring in Ise.

May Temperature in Ise

May marks a delightful transition into warmth in Ise, Japan, as temperatures rise significantly from the preceding months. With minimums averaging around 10°C (51°F) and maximums reaching up to 29°C (84°F), the month provides a comfortable canvas for outdoor exploration. The average temperature of 20°C (68°F) indicates a pleasant climate, making it an ideal time for travelers to experience the lush landscapes and cultural richness of the region. This upward trend from spring to early summer sets the stage for even warmer months ahead, with June's minimum temperature jumping to 16°C (60°F). Overall, May encapsulates the beauty of spring in its blooming glory, inviting visitors to enjoy milder days and vibrant surroundings.

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

The chart illustrates May temperature patterns in Ise, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ise, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454653606873818478695950
Data source: Temperature data for Ise 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 Ise

In May, Ise, Japan experiences a notable increase in precipitation, with a total of 169 mm (6.6 in) measured over 12 days. This month stands out as one of the wettest, following the pattern of increased rainfall seen throughout the spring. Compared to previous months, May's rainfall is significantly higher than both January and February, and it even surpasses the totals for March and April. This trend suggests that as spring transitions into early summer, Ise's rainfall intensifies, leading into a wetter June. The increase in rainy days not only underscores the dynamic weather patterns of the region but also sets the stage for the lush landscapes that characterize the area.

May Precipitation Trends in Ise

The chart displays monthly precipitation patterns in Ise, 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 Ise, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec54591501381692392781712383897175
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Ise

In May, Ise, Japan experiences a noticeable uptick in humidity, rising to 83%, which marks the highest level since January. This surge reflects the transition into the warmer months, following a spring where humidity hovered in the mid-70s to low 80s. The increase in moisture sets the stage for the summer's high humidity levels, which peak in July at a steamy 93%. As the seasons progress, Ise's humidity showcases a consistent trend of warming and rising moisture, dramatically influencing the local climate and environment.

May Average Humidity in Ise

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

In Ise, Japan, May marks a significant shift in UV exposure, with the UV Index soaring to 11, categorizing it as extreme. This increase from April's index of 10 indicates a trend where late spring pushes the burn time down to just 10 minutes, urging careful sun protection. As the months progress into summer, June and July maintain similar extremes, presenting a consistent risk for sunburn. It's crucial to stay informed and prepared during this peak UV season. To learn more about UV trends and stay safe under the sun, check out the details at Ise UV Index.

Maximum UV Index Levels in Ise for May

The chart shows the monthly maximum UV Index (UVI) for Ise 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 Ise typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101111121110754
Data source: Ise 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 Ise

In Ise, Japan, the radiance of May brings a delightful peak in sunshine, boasting an impressive 290 hours of sunlight. This month stands out as a transition from the more moderate light of earlier months; January's mere 189 hours gradually climbs to a vibrant 281 hours in April. As we step into May, the days become longer and sunnier, setting the stage for the warmth of summer ahead. Although June's sunshine dips slightly to 267 hours, the trend of increasing daylight from winter into spring is unmistakable and paints a beautiful picture of Ise’s seasonal transformation. This surge in sunlight not only enhances the landscape but also invigorates the spirit, welcoming both locals and travelers to bask in the blooming beauty of the region.

Monthly Sunshine Duration in Ise: May Highlighted

The May sunshine duration represents the total number of hours Ise 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h236h267h281h290h267h265h314h250h224h239h230h
Data source: Ise May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ise During May

As spring transitions to summer in Ise, Japan, the likelihood of sunny weather begins to dwindle significantly by May, with only a 29% chance of sunshine. This marks a notable decline from the more favorable conditions seen in the earlier months, such as January and February, which enjoy sun probabilities over 58%. The trend indicates a consistent decrease in sunny days leading up to May, with April already showing a slim 48% possibility. Unfortunately, as the rainy season approaches in June, the chances of basking in the sun take another hit, dropping further to 24%. Therefore, while May may still hold some promise, it’s wise to keep an umbrella handy as you plan outdoor adventures.

Percentage of Sunny Days in May in Ise

The chart illustrates the percentage of sunny days in Ise 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 Ise experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%47%48%29%24%33%29%27%53%61%71%
Data source: Ise May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ise in May

As spring unfolds into summer in Ise, Japan, the daylight duration showcases a beautiful progression. Starting in January and February, the days offer a consistent 10 hours of light, gradually brightening as March brings an increase to 11 hours. This trend accelerates in April, when daylight jumps to 13 hours, a pattern that holds steady throughout May. As the season shifts to June and July, residents enjoy the longest days of the year, basking in 14 hours of sunlight. However, the transition to autumn begins in August, as daylight slightly decreases to 13 hours, continuing its decline through the fall months, with hours steadily tapering off to 10 hours in November. This rhythmic dance of light not only marks the changing seasons but also enriches the cultural fabric of Ise, inviting residents and visitors alike to engage more with the vibrant outdoors.

Average Daylight Hours in Ise for May

The chart illustrates the variation in daylight duration in Ise throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 55m11h 58m13h 2m13h 57m14h 24m14h 10m13h 23m12h 21m11h 17m10h 21m9h 52m
Data source: Ise daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ise

In Ise, Japan, the wind begins to calm significantly as spring transitions into summer. May records an average wind speed of 3.8 m/s (8 mph), marking a noticeable drop from the stronger breezes of the preceding months—particularly January through April, when winds consistently hovered around 4.7 to 4.9 m/s (11 mph). This gentle shift sets the stage for the serene atmosphere typical of early summer, though June follows with even softer winds at 3.1 m/s (7 mph). The trend suggests an easing of the wind, creating perfect conditions for enjoying the lush landscapes and cultural heritage of the region as the year warms up.

Average May Wind Speed in Ise

The chart displays monthly wind speed patterns in Ise, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.94.84.84.73.8 m/s3.12.63.93.54.24.34.9
Data source: Ise May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ise Compares to Other Months

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

May experiences significantly warmer temperatures compared to January, with average highs reaching 20°C (68°F) and peaks of 29°C (84°F) versus January's average of 7°C (46°F) and maximum of 17°C (64°F). While May is characterized by higher humidity at 83% and more frequent rainfall, accumulating 169 mm (6.6 in) over approximately 12 days, January remains relatively drier with only 54 mm (2.1 in) over about 5 days. The contrast between these two months highlights the transition from the coolness of winter to the warmth of late spring. For more details on January weather, you can visit Ise weather in January.

In comparing the weather between May and February, it is clear that May offers a warmer atmosphere with an average temperature of 20°C (68°F) and highs reaching up to 29°C (84°F). In contrast, February sees a much cooler average of 8°C (47°F), with minimum temperatures dipping to 0°C (32°F). Additionally, May experiences significantly higher precipitation, totaling 169 mm (6.6 in) over 12 days, while February has only 59 mm (2.3 in) spread over 5 days. Humidity levels are slightly higher in May at 83%, compared to 79% in February. For more insights on February weather, check out Ise weather in February.

In comparing the weather between March and May, we can see a notable increase in temperatures as spring transitions into late spring. March has a minimum temperature of 3°C (38°F) and averages around 12°C (53°F), while May starts off warmer with a minimum of 10°C (51°F) and averages 20°C (68°F). The maximum temperature in March reaches 23°C (74°F), which is lower than May's peak of 29°C (84°F). Precipitation levels are similar, with March receiving 150 mm (5.9 in) over about 10 days, compared to May's 169 mm (6.6 in) over 12 days; however, May experiences higher humidity at 83% versus March's 74%. For a more detailed look into March weather, you can visit Ise weather in March.

In comparison to April, May exhibits noticeably warmer temperatures, with a minimum of 10°C (51°F), an average of 20°C (68°F), and a maximum of 29°C (84°F), whereas April experiences a minimum of 5°C (41°F), an average of 15°C (60°F), and a peak of 25°C (77°F). Additionally, May sees slightly higher precipitation, measuring 169 mm (6.6 in) over 12 days, compared to April's 138 mm (5.4 in) across 10 days. The humidity is also higher in May at 83%, compared to April's 76%. For more details on April weather, you can visit Ise weather in April.

May and June exhibit noticeable differences in weather patterns. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 29°C (84°F), with an average of 20°C (68°F). The month experiences significant rainfall, totaling 169 mm (6.6 in) over 12 days, alongside a humidity level of 83%. In contrast, June sees warmer weather, with temperatures between a minimum of 16°C (60°F) and a maximum of 32°C (90°F), averaging 23°C (74°F). Despite the warmth, June is wetter, accumulating 239 mm (9.4 in) of precipitation over 15 days, and humidity rises slightly to 87%. For more detailed information on June weather, you can visit Ise weather in June.

In May, the weather is characterized by milder temperatures, ranging from a minimum of 10°C (51°F) to a maximum of 29°C (84°F), with an average temperature of around 20°C (68°F). The month experiences significant rainfall, with about 169 mm (6.6 in) over approximately 12 days, and humidity levels are relatively high at 83%.

In contrast, July sees a marked increase in temperature, with minimums reaching 21°C (70°F) and maximums soaring up to 37°C (99°F), resulting in an average of about 27°C (81°F). Rainfall also intensifies in July, totaling 278 mm (10.9 in) over around 20 days, accompanied by even higher humidity levels at 93%. The more extreme heat and increased precipitation make July feel more oppressive compared to the relatively pleasant conditions of May. For more detailed information, you can check Ise weather in July.

May and August show notable differences in weather patterns. In May, temperatures range from a mild 10°C (51°F) at night to a pleasant average of 20°C (68°F), peaking at 29°C (84°F) during the day. The month experiences considerable rainfall, with about 169 mm (6.6 in) spread over 12 days and a humidity level of 83%. In contrast, August brings warmer temperatures, with a minimum of 23°C (74°F), an average of 29°C (84°F), and highs soaring up to 38°C (100°F). Rainfall remains similar, at 171 mm (6.7 in) across 15 days, but the humidity increases slightly to 91%. For more details, check out Ise weather in August.

May and September present contrasting weather experiences. In May, temperatures range from a cool 10°C (51°F) at the minimum to a warm 29°C (84°F) at the maximum, with an average of around 20°C (68°F). Precipitation during this month is notable, totaling 169 mm (6.6 in) over about 12 days, accompanied by a high humidity level of 83%. In contrast, September witnesses warmer conditions, with minimum temperatures starting at 18°C (65°F) and soaring up to 34°C (93°F), averaging 25°C (78°F). However, September is also wetter, receiving 238 mm (9.4 in) of precipitation over 19 days, alongside slightly increased humidity at 87%. For detailed weather information in September, you can view the full report here: Ise weather in September.

May and October exhibit some interesting similarities and differences in weather patterns. Both months enjoy an average temperature around 20°C (68°F), but October tends to have slightly warmer minimum temperatures at 12°C (54°F), compared to May's 10°C (51°F). Despite this, October receives significantly more precipitation, averaging 389 mm (15.3 in) over 15 days, while May sees 169 mm (6.6 in) over 12 days. Humidity is quite high in both months, with October being marginally higher at 85% compared to May's 83%. For a detailed look at October weather, you can refer to Ise weather in October.

May and November present contrasting weather patterns, highlighting the transition from spring to autumn. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 29°C (84°F), with an average of 20°C (68°F), making it a warmer month overall. However, it also experiences higher precipitation, with about 169 mm (6.6 in) falling over 12 days, resulting in noticeably humid conditions at 83%. In contrast, November’s temperatures are cooler, with a minimum of 6°C (43°F) and a maximum of 23°C (74°F), averaging 15°C (59°F). The month is significantly drier, recording only 71 mm (2.8 in) of rain over 7 days while maintaining the same humidity level of 83%. For a more detailed look at November weather in the region, check out Ise weather in November.

In May, the weather is generally warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (84°F) and an average of 20°C (68°F). This month experiences heavy rainfall, totaling 169 mm (6.6 in) over about 12 days, while humidity remains high at 83%.

In contrast, December brings cooler temperatures, with a minimum of 2°C (36°F), an average of 10°C (50°F), and a maximum of 22°C (71°F). Precipitation is significantly lower at 75 mm (2.9 in) over 8 days, yet the humidity remains the same at 83%. For more detailed information on the December weather, you can visit Ise weather in December.

Compare Ise's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ise

As May unfolds in Ise, the weather starts to shift dramatically from the earlier months, welcoming a brighter and warmer atmosphere. With pleasant temperatures averaging 20°C (68°F), locals and visitors alike can enjoy the blossoming beauty of spring. However, the rising humidity at 83% brings a certain warmth that can feel more intense, especially on days when the temperature peaks around 29°C (84°F). While rainfall is common, with about 12 days of precipitation adding up to 169 mm (6.6 in), these showers tend to be a welcome refreshment rather than a hindrance. This blend of warmth and moisture makes May a unique transition into summer, contrasting with the cooler, drier months that precede it. For a deeper dive into Ise's climate nuances, be sure to check out Ise Climate.