Last updated: August 21, 2025
In May, Matsuyama, Japan, experiences a delightful transition into warmer weather, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (82°F). The average temperature settles at a comfortable 18°C (65°F), making it an ideal time for outdoor activities. However, be prepared for some rain, as the city receives an average of 153 mm (6.0 in) of precipitation over 11 days throughout the month, contributing to a humidity level of 82%. This blend of warmth and moisture creates a lush environment, perfect for exploring Matsuyama’s scenic beauty and cultural offerings.
In Matsuyama, Japan, May heralds a delightful shift towards warmer weather, characterized by a refreshing rise in temperatures. With a minimum of 7°C (44°F) and a pleasant average of 18°C (65°F), Residents can expect the days to be increasingly comfortable as they enjoy the blossoming landscapes. The maximum temperature often reaches a lovely 28°C (82°F), allowing for outdoor adventures and leisurely strolls. This month serves as a welcomed transition from the chilly grip of winter as April's coolness gives way to the warmth of summer, making May a truly vibrant time to experience all that Matsuyama has to offer.
May in Matsuyama, Japan, marks a significant increase in precipitation, with an average of 153 mm (6.0 in), making it the wettest month so far this year. This surge continues from the preceding months of April and March, where rainfall amounts were 135 mm (5.3 in) and 129 mm (5.1 in), respectively. Rainfall is spread over approximately 11 days, allowing for ample showers that promote lush greenery as spring transitions into summer. This pattern foreshadows the arrival of June, which brings even more substantial rainfall with 215 mm (8.5 in) expected. Matsuyama's climate reflects a clear trend of increasing precipitation as the year advances, indicating preparations for the intense rains of midsummer.
In Matsuyama, Japan, the month of May marks a significant rise in humidity, peaking at a notable 82%. This increase follows a trend initiated in April, where humidity elevated to 76%, suggesting a gradual warming as spring unfolds. As the region moves towards the summer months, humidity levels continue to climb, with June reaching 86% and July soaring to 91%. The consistent uptick in humidity from May onward indicates a shift towards a more tropical climate, as Matsuyama transitions from the mildness of spring into the heat of summer. This pattern reflects the overarching theme of increasing moisture, setting the stage for the humid months ahead.
In May, Matsuyama, Japan, experiences a dramatic rise in the UV Index, peaking at an extreme level of 12. This significant increase marks a shift from the very high UV conditions of April, where the Index reached 10. As the sun becomes more intense, the burn time drops sharply to just 10 minutes, emphasizing the need for protective measures during outdoor activities. Such trends highlight the importance of awareness and preparation as the warmer months approach. For further details on UV exposure in Matsuyama, visit the Matsuyama UV Index.
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May shines particularly bright in Matsuyama, Japan, where the city basks in an impressive 305 hours of sunshine. This sunny delight is a highlight in the region’s calendar, as daylight gradually increases from the chilly depths of January with just 191 hours, to the vibrant blooms of spring. Following a steady ascent from 237 hours in February to 288 hours in April, May marks the peak before the summer warmth begins to settle in, leading to 284 hours in June. As the seasons transition, sunshine hours remain robust, ensuring a cheerful atmosphere that beckons both locals and travelers to enjoy the outdoors. Overall, May embodies the essence of spring's abundance in Matsuyama, creating the perfect backdrop for exploration and relaxation.
In Matsuyama, Japan, May marks a notable shift in sunshine likelihood, with only a 29% chance of sunny weather. This trend continues from April's 44%, reflecting a gradual decline as the region transitions into the wetter months of late spring and early summer. Comparatively, the following months show even lower probabilities, with June dipping further to 23%. Interestingly, the sun's return shines brighter in October, potentially offering a refreshing contrast to the overcast spring. While May may be less promising for sun seekers, it serves as a reminder of the pending shift towards summer's warm embrace.
In Matsuyama, Japan, the length of daylight undergoes a remarkable transformation throughout the year. Starting with a consistent 10 hours in January and February, the days gradually lengthen to 11 hours in March. As spring blossoms, daylight reaches 13 hours by April and remains there in May, embodying the vibrant spirit of the season. The summer months further extend the light, peaking at 14 hours in June and July, offering ample opportunities for outdoor adventures. As autumn approaches, daylight begins to wane, with 13 hours in August and gradually tapering off to 12 hours in September and 11 hours in October. The retreat continues until December, when the days dwindle to a mere 9 hours, marking the year's end with shorter, crisper days. This rhythmic ebb and flow of daylight not only shapes the seasons but also the lifestyle of Matsuyama’s residents.
May in Matsuyama, Japan, brings a gentle breath of wind, averaging 2.6 m/s (6 mph). This marks a subtle decline from the spring's breezier months of January and February, where the winds reach up to 3.2 m/s (7 mph) and 3.5 m/s (8 mph), respectively. As the city transitions into summer, wind speeds soften further in June and July, dropping to around 1.7 m/s (4 mph) and 1.9 m/s (4 mph). This trend highlights a shift toward more tranquil days, perfect for leisurely strolls under the blooming sakura. As warmer weather settles in, the gentle winds of May set the stage for a serene and inviting atmosphere, ideal for enjoying Matsuyama’s picturesque landscapes.
Weather in Matsuyama varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Matsuyama, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, a striking contrast emerges. May boasts a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (82°F) and an average of 18°C (65°F). This month also experiences a higher level of humidity at 82% and greater precipitation, totaling 153 mm (6.0 in) over 11 days. In contrast, January is notably colder, with temperatures dipping as low as -4°C (25°F) and averaging 5°C (42°F), peaking at 15°C (59°F). The winter month brings with it lower precipitation of 60 mm (2.4 in) spread over 9 days, coupled with a humidity level of 74%. For more detailed insights, you can refer to Matsuyama weather in January.
When comparing the weather in May and February, it's clear that May brings more warmth and humidity. With average temperatures in May reaching 18°C (65°F) and a maximum of 28°C (82°F), it contrasts sharply with February's cooler average of 6°C (43°F) and a maximum of 19°C (67°F). Additionally, May sees higher precipitation levels at 153 mm (6.0 in) over 11 days, compared to February's 90 mm (3.6 in) over the same number of days. The increased humidity in May at 82% also adds to the more tropical feel of the month, versus February’s lower 70%. For more detailed information on February weather, you can visit Matsuyama weather in February.
In comparing the weather of May to that of March, May generally offers a warmer and more humid climate. With average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 28°C (82°F), May has a notably higher average temperature of 18°C (65°F), compared to March's 10°C (50°F). Additionally, May sees an increase in humidity at 82%, while March holds a lower 70%. Precipitation is slightly higher in May, with 153 mm (6.0 in) over 11 days, compared to March's 129 mm (5.1 in) over 12 days. For more detailed information on March weather, you can check Matsuyama weather in March.
In comparing the weather of May and April, we see a noticeable increase in temperature. May's average temperature stands at 18°C (65°F), with a maximum of 28°C (82°F), whereas April has a cooler average of 14°C (57°F) and a maximum of 24°C (75°F). Additionally, May experiences slightly higher precipitation, totaling 153 mm (6.0 in) over 11 days, compared to April's 135 mm (5.3 in) across 10 days. Humidity also rises in May to 82%, up from April's 76%, indicating a more tropical feel as the month progresses. For more details, you can check out Matsuyama weather in April.
In comparing the weather of May and June, we notice a marked increase in both temperature and humidity. May has a minimum temperature of 7°C (44°F) and an average of 18°C (65°F), while June starts at a higher minimum of 14°C (57°F) and an average of 22°C (72°F). Moreover, maximum temperatures also rise from 28°C (82°F) in May to 30°C (86°F) in June. Precipitation increases as well, with May experiencing 153 mm (6.0 in) over 11 days, compared to June's 215 mm (8.5 in) over 14 days. This shift brings a higher humidity level in June at 86%, up from 82% in May. For a detailed look at what to expect in June, visit Matsuyama weather in June.
May and July in Matsuyama present contrasting weather patterns. May experiences milder temperatures, with a minimum of 7°C (44°F) and an average of 18°C (65°F), peaking at 28°C (82°F). The month sees significant precipitation, totaling 153 mm (6.0 in) over 11 days, coupled with a humidity level of 82%. In contrast, July brings much warmer conditions, with a minimum of 18°C (65°F) and an average temperature of 26°C (79°F), reaching highs of 33°C (91°F). It also experiences heavier rainfall, totaling 374 mm (14.7 in) across 19 days, and a slightly higher humidity of 91%. For more detailed information on the weather during this month, you can check out Matsuyama weather in July.
May and August present contrasting weather conditions. In May, temperatures range from a chilly 7°C (44°F) at night to a warm 28°C (82°F) during the day, with an average of 18°C (65°F). The month sees considerable rainfall, with 153 mm (6.0 in) spread over 11 days, and a humidity level of 82%. In contrast, August experiences much warmer temperatures, with lows around 20°C (68°F) and highs peaking at 33°C (91°F), averaging at 27°C (81°F). The heat is accompanied by increased precipitation of 197 mm (7.7 in) over 15 days, along with slightly higher humidity at 88%. For more details on weather patterns, check out Matsuyama weather in August.
In comparing the weather of May and September, May tends to have cooler temperatures with a minimum of 7°C (44°F) and an average of 18°C (65°F), reaching a maximum of 28°C (82°F). In contrast, September brings warmer conditions with a minimum of 14°C (58°F) and an average of 24°C (75°F), peaking at 33°C (91°F). Additionally, September sees more rainfall, accumulating 212 mm (8.4 in) over 15 days, compared to May's 153 mm (6.0 in) over 11 days. Humidity levels are slightly higher in September at 85%, compared to May's 82%. For more details, check Matsuyama weather in September.
In May, the weather typically features a minimum temperature of 7°C (44°F) and an average temperature of 18°C (65°F), peaking at around 28°C (82°F). This month experiences a significant amount of rainfall, with 153 mm (6.0 in) spread over 11 days, while the humidity remains high at 82%.
As the season transitions into October, the minimum temperature rises slightly to 8°C (47°F), with the average temperature reaching 19°C (66°F) and a maximum of 29°C (84°F). Rainfall increases in October to 204 mm (8.0 in) over 10 days, although humidity holds steady at 82%. For a more detailed look at October weather conditions, check out Matsuyama weather in October.
May and November present contrasting weather conditions. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 28°C (82°F), with an average of 18°C (65°F). This month experiences substantial rainfall, accumulating 153 mm (6.0 in) over 11 days, along with high humidity levels of 82%. In contrast, November sees cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 25°C (77°F), resulting in an average temperature of 13°C (55°F). The month is significantly drier, with only 61 mm (2.4 in) of precipitation over 8 days and a slightly lower humidity of 79%. For more details, you can check out Matsuyama weather in November.
May and December present contrasting weather experiences. In May, temperatures range from a mild 7°C (44°F) at night to a warm 28°C (82°F) during the day, with an average temperature of 18°C (65°F). The month sees substantial rainfall, accumulating to 153 mm (6.0 in) over approximately 11 days, combined with high humidity at 82%. In contrast, December delivers a much cooler climate, with temperatures dropping to a minimum of -1°C (31°F) and an average of 8°C (46°F), while daytime highs reach up to 22°C (71°F). Rainfall is significantly lighter, totaling 69 mm (2.7 in) over about 10 days, and the humidity is slightly lower at 77%. For more details, check out Matsuyama weather in December.
May in Matsuyama brings a delightful transition into warmth, distinct from the cooler months of spring. With temperatures blossoming to a pleasant average of 18°C and a maximum reaching up to 28°C, the city invites residents and visitors to enjoy the outdoors. However, the humidity at 82% adds a tropical touch, often accompanied by rain on about 11 days throughout the month, totaling 153 mm of precipitation. This combination creates a vibrant and lush atmosphere as nature awakens fully. For a deeper dive into how May weather compares to the rest of the year, be sure to explore Matsuyama Climate.