June Weather in Wakayama, Japan

Last updated: August 21, 2025

In June, Wakayama, Japan experiences a climate characterized by mild to warm temperatures. Daily highs reach a pleasant 28°C (83°F), while the average temperature hovers around 22°C (72°F), with cooler nights dipping to a minimum of 14°C (58°F). This month is also notable for its significant rainfall, accumulating 199 mm (7.8 in) over approximately 14 days, coupled with high humidity levels of 87%. Visitors should be prepared for a lush, vibrant environment, as this weather pattern contributes to the region's stunning natural beauty.

June Temperature in Wakayama

In June, Wakayama experiences a delightful transition into summer, with temperatures rising significantly from the previous months. The minimum temperature settles around 14°C (58°F), while averages reach a comfortable 22°C (72°F), peaking at a pleasant 28°C (83°F) during the day. This month showcases a noteworthy increase compared to May, where highs only reached 28°C (82°F). The warm, inviting climate encourages outdoor activities, making it an ideal time for visitors to explore the region's lush landscapes and vibrant culture. As the days grow longer and sunnier, June sets the stage for the hot summer months ahead.

June Weather in Wakayama: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Wakayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wakayama, June 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).
JanFebMarAprMayJunJulAugSepOctNovDec444451586672798377675748
Data source: Temperature data for Wakayama 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.

June Precipitation in Wakayama

June in Wakayama, Japan, brings a notable increase in rainfall, with 199 mm (7.8 inches) of precipitation recorded over 14 days. This marks a significant rise from the preceding months, showcasing the onset of the wet season as the region transitions into summer. Not only does June surpass May's 164 mm (6.5 inches), but it also sets the stage for even wetter months ahead, as July typically sees the highest rainfall of the year. The steady escalation in precipitation through spring into early summer reflects a trend of escalating moisture, creating a lush landscape as nature awakens. However, with an increase in rainy days, June also emphasizes the importance of prepared outdoor plans, as the likelihood of encountering showers becomes more prominent.

June Precipitation Trends in Wakayama

The chart displays monthly precipitation patterns in Wakayama, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Wakayama, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec63761151281641993021782032676376
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Wakayama

In Wakayama, Japan, June marks a significant peak in humidity, soaring to 87%. This month transitions from the relatively comfortable levels of spring, where humidity hovers around 74% to 83%, into the sweltering summer months. As temperatures rise, July reaches the highest point of the year at a staggering 93%, followed closely by August at 91%. The trend indicates a clear shift towards a more humid climate as the year progresses, with June serving as a pivotal month that sets the stage for the sultry conditions that define the summer season. The elevated humidity in June is a precursor to the oppressive moisture that characterizes the following months, wrapping the region in a warm, lush atmosphere that enhances its natural beauty.

June Average Humidity in Wakayama

This chart illustrates the average monthly humidity levels in Wakayama, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Wakayama 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Wakayama

In Wakayama, Japan, the UV Index in June remains consistently high at 11, placing it in the extreme exposure category, just like the previous months of April and May. This trend signals that outdoor enthusiasts should be particularly cautious, as the burn time is a brisk 10 minutes under direct sunlight. The intensity of UV radiation peaks during this time of year, mirroring the patterns seen in July and August, where the index stays unchanged. As the summer months progress, it becomes increasingly vital for residents and visitors alike to prioritize sun protection measures to mitigate the risks associated with prolonged exposure. For more detailed insights, visit Wakayama UV Index.

Maximum UV Index Levels in Wakayama for June

The chart shows the monthly maximum UV Index (UVI) for Wakayama in June, 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 June, the maximum UV index in Wakayama typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111111110754
Data source: Wakayama June 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.

June Sunshine in Wakayama

June in Wakayama, Japan, brings a delightful embrace of sunshine, with approximately 275 hours of radiant daylight gracing the region. This month stands as a slight dip from the sun-drenched 295 hours experienced in May, yet it still offers a generous display of warmth before the intense heat of summer peaks in August, where sunlight reaches an impressive 315 hours. The trend throughout the spring months shows a steady increase in sunshine hours, peaking in May and then slightly tapering off in June. It’s a perfect time to enjoy the scenic beauty of Wakayama as nature flourishes under the gentle touch of the sun, creating an inviting atmosphere for outdoor adventures and leisurely strolls.

Monthly Sunshine Duration in Wakayama: June Highlighted

The June sunshine duration represents the total number of hours Wakayama experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec185h230h266h282h295h275h273h315h250h241h239h221h
Data source: Wakayama June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wakayama During June

As June rolls around in Wakayama, Japan, the likelihood of sunny weather dips to 25%, heralding a shift in the season. This marks one of the lowest probabilities for sunshine in the year, contrasting sharply with the sunnier months preceding it, such as April and May, where chances hover at 47% and 30% respectively. Interestingly, while June tends to usher in the onset of summer, it appears the sunshine is often overshadowed by the warmth and humidity that characterize the Japanese rainy season. This trend continues into July and August, where the likelihood of sunny days only climbs slightly to 31% and 30%. As we look forward to July, it becomes clear that the sunny skies of winter and early spring give way to a more unpredictable weather pattern, making June a month where one must be prepared for fewer sunlit days.

Percentage of Sunny Days in June in Wakayama

The chart illustrates the percentage of sunny days in Wakayama throughout the year, with June 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 Wakayama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%54%44%47%30%25%31%30%28%59%53%58%
Data source: Wakayama June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wakayama in June

In Wakayama, Japan, the month of June heralds a delightful increase in daylight duration, peaking at an impressive 14 hours. This extended exposure to sunlight marks a significant transition from the shorter days of winter, where daylight lingered around 10 hours in January and February. As spring unfolds, hours of daylight gradually rise, reaching 11 hours in March and 13 hours in both April and May. June not only maintains this 14-hour span but is also echoed in July, showcasing the height of summer vibrancy. However, as the year progresses into late summer and autumn, daylight begins to taper off, dropping to 13 hours in August and then diminishing steadily to 10 hours by November. The consistent trends highlight Wakayama's dynamic dance with the seasons, where each month offers a unique interplay of light and dark.

Average Daylight Hours in Wakayama for June

The chart illustrates the variation in daylight duration in Wakayama throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 7m10h 55m11h 58m13h 2m13h 56m14h 23m14h 10m13h 23m12h 21m11h 17m10h 21m9h 53m
Data source: Wakayama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Wakayama

In June, Wakayama, Japan, experiences a noticeable shift in wind patterns as the average wind speed dips to 2.7 m/s (6 mph), marking the lowest point in the annual cycle. This gentle breeze contrasts sharply with the brisk winds of December and January, which boast averages around 4.4 m/s (10 mph). As the transition from spring to summer unfolds, the wind calms considerably from the 3.9 m/s (9 mph) seen in March and April, creating a softer, more serene atmosphere perfect for enjoying the lush coastal scenery. The trend suggests a gradual reduction in wind velocity as the warmer months approach, inviting a leisurely ambiance that embodies the charm of early summer in Wakayama.

Average June Wind Speed in Wakayama

The chart displays monthly wind speed patterns in Wakayama, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.23.93.93.62.7 m/s2.53.92.83.43.64.5
Data source: Wakayama June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Wakayama Compares to Other Months

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

June and January present contrasting weather conditions. In June, temperatures range from a cool minimum of 14°C (58°F) to a warm maximum of 28°C (83°F), with an average of 22°C (72°F). This month also experiences significant rainfall, with 199 mm (7.8 in) over about 14 days, contributing to a high humidity level of 87%. In contrast, January features much colder temperatures, with a minimum of -1°C (30°F) and a maximum of 17°C (62°F), averaging only 6°C (44°F). Precipitation is lighter in January, totaling 63 mm (2.5 in) over 9 days, and humidity levels are comparatively lower at 82%. For more details on January weather in Wakayama, check out Wakayama weather in January.

June and February present stark contrasts in weather conditions. June boasts much warmer temperatures, with averages around 22°C (72°F) and highs reaching up to 28°C (83°F), while February remains quite chilly, averaging just 7°C (44°F) and peaking at 18°C (65°F). Additionally, June experiences significantly higher precipitation, totaling 199 mm (7.8 in) over 14 days, compared to February’s 76 mm (3.0 in) across 9 days. Despite higher temperatures, June's humidity is notably high at 87%, while February maintains a lower but still considerable humidity level of 79%. For a more detailed look at February's weather specifics, you can visit Wakayama weather in February.

March and June present striking contrasts in weather. In March, temperatures range from a chilly minimum of 1°C (34°F) to a mild maximum of 20°C (68°F), with an average of 10°C (51°F). The month experiences approximately 115 mm (4.5 in) of precipitation over 11 days, accompanied by a relative humidity of 74%. In contrast, June heats up significantly, with temperatures fluctuating between a minimum of 14°C (58°F) and a maximum of 28°C (83°F), averaging around 22°C (72°F). This month is much wetter, with 199 mm (7.8 in) of rain falling over 14 days and a higher humidity level of 87%. For more details on the climate conditions in the region during March, visit Wakayama weather in March.

In comparing the weather between June and April, June offers significantly warmer temperatures, with a minimum of 14°C (58°F) and an average of 22°C (72°F), peaking at 28°C (83°F). In contrast, April's temperatures are much cooler, featuring a minimum of 4°C (39°F), an average of 14°C (58°F), and a maximum of 23°C (73°F). Additionally, June experiences higher precipitation levels, with 199 mm (7.8 in) of rainfall over 14 days, compared to April's 128 mm (5.1 in) over 10 days. Humidity levels are also elevated in June at 87%, whereas April has a more moderate 76%. For more detailed information, you can check Wakayama weather in April.

In June, the weather warms up noticeably compared to May, with minimum temperatures rising from 8°C (47°F) to 14°C (58°F) and average temperatures reaching 22°C (72°F) compared to May's 19°C (67°F). Although both months can reach similar maximum temperatures of around 28°C (82°F-83°F), June experiences significantly more precipitation, totaling 199 mm (7.8 in) over 14 days, compared to May's 164 mm (6.5 in) over 10 days. Humidity remains relatively high in both months, but June has a slightly higher average at 87% compared to May's 83%. For a detailed look at May's weather, check out Wakayama weather in May.

June and July present distinct weather patterns, with July typically being warmer and wetter. In June, temperatures range from a minimum of 14°C (58°F) to an average of 22°C (72°F), peaking at 28°C (83°F), accompanied by 199 mm (7.8 in) of rainfall over 14 days and a humidity level of 87%. In contrast, July sees a noticeable rise in temperature, with minimums around 20°C (69°F), an average of 26°C (80°F), and maximums reaching up to 34°C (94°F). Additionally, rainfall increases to 302 mm (11.9 in) spread across 18 days, with humidity climbing to 93%. The changes in temperature and precipitation characteristically mark the transition from late spring to the full heat of summer. For more insights on the climate, refer to the detailed Wakayama weather in July.

In June, the weather is generally mild, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (83°F) and an average of 22°C (72°F). However, it's also a wet month with significant precipitation, totaling 199 mm (7.8 in) over 14 days, accompanied by high humidity at 87%. In contrast, August experiences warmer temperatures, with minimums of 20°C (68°F) and soaring maximums of up to 35°C (95°F), averaging around 28°C (83°F). While August sees slightly less rainfall at 178 mm (7.0 in) over 12 days, the humidity remains high at 91%. For more details on August weather, check out Wakayama weather in August.

In June, the weather features a mild temperature range, with minimums around 14°C (58°F) and average highs reaching 28°C (83°F). However, it also brings significant rainfall, totaling 199 mm (7.8 in) over approximately 14 days and maintaining a high humidity level of 87%. In contrast, September presents slightly warmer conditions, with temperatures ranging from a minimum of 15°C (60°F) to an average high of 33°C (92°F). Interestingly, September experiences a similar amount of rainfall, totaling 203 mm (8.0 in) over about 15 days, while humidity remains consistently at 87%. For more detailed insights into September weather, check out Wakayama weather in September.

In June, the weather is quite warm, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (83°F), accompanied by high humidity levels at 87%. However, June also experiences considerable rainfall, with 199 mm (7.8 in) over approximately 14 days. In contrast, October is slightly cooler, with average temperatures dipping to 10°C (49°F) at night and peaking at 29°C (84°F) during the day. October sees even more precipitation at 267 mm (10.5 in), though it occurs over just 12 days, maintaining a similarly high humidity of 85%. For more detailed insights into October's weather, you can visit Wakayama weather in October.

June and November present notably different weather conditions. In June, temperatures range from a minimum of 14°C (58°F) to a maximum of 28°C (83°F), with an average of 22°C (72°F). The month is characterized by high humidity at 87% and significant rainfall, accumulating 199 mm (7.8 inches) over 14 days. In contrast, November experiences cooler temperatures, with a low of 4°C (40°F) and a high of 24°C (75°F), averaging 14°C (57°F). It also sees considerably less precipitation, totaling 63 mm (2.5 inches) over just 7 days, and slightly lower humidity at 83%. For more detailed information, you can check out Wakayama weather in November.

June and December present contrasting weather conditions. In June, temperatures range from a minimum of 14°C (58°F) to a maximum of 28°C (83°F), with an average of 22°C (72°F). This month also experiences significant rainfall, with 199 mm (7.8 in) spread over 14 days, resulting in high humidity levels at 87%. In contrast, December sees much cooler temperatures, with a minimum of 2°C (35°F), an average of 9°C (48°F), and a maximum of 21°C (70°F). Rainfall is considerably lighter, totaling 76 mm (3.0 in) over 10 days, and the humidity remains relatively lower at 83%. For more details, you can check Wakayama weather in December.

Compare Wakayama's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Wakayama

As June unfolds in Wakayama, the weather transitions into a humid and warm phase that sets it apart from other months. With temperatures averaging around 22°C (72°F) and reaching up to 28°C (83°F), June is notably warmer, often inviting a burst of outdoor activities. However, this warmth brings along increased humidity at 87% and a significant amount of precipitation over 14 days, totaling about 199 mm (7.8 in). While the showers can be frequent, they contribute to the lush greenery that characterizes the area, making it a beautiful time to experience Wakayama's natural splendor. For a deeper insight into the weather patterns throughout the year, explore the detailed information at Wakayama Climate.