July Weather in Katsuura, Japan

Last updated: August 21, 2025

In Katsuura, Japan, July brings a warm embrace with maximum temperatures soaring up to 34°C (93°F) and an average of 26°C (78°F), while the nights cool down to a comfortable 19°C (67°F). This month is characterized by high humidity levels reaching 94%, creating a distinctly tropical feel. However, visitors should be prepared for significant rainfall, as July sees a total precipitation of 207 mm (8.2 in) spread over 17 rainy days. Whether exploring rain-soaked landscapes or enjoying the warmth, Katsuura's July weather offers a vibrant and lush experience for all.

July Temperature in Katsuura

In Katsuura, Japan, July brings a significant rise in temperatures, marking the height of summer with minimums of 19°C (67°F) and averages around 26°C (78°F). The days can become quite warm, with peaks reaching up to 34°C (93°F), inviting both locals and visitors to enjoy the vibrant coastal activities. This month showcases a striking shift from the cooler earlier months, with July’s climate reflecting the transition into the warmest season of the year. The increasing warmth not only highlights the bustling summer atmosphere but also signifies the onset of lush greenery and blooming landscapes typical of this picturesque coastal region.

July Weather in Katsuura: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Katsuura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katsuura, July 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).
JanFebMarAprMayJunJulAugSepOctNovDec454652596772788276676050
Data source: Temperature data for Katsuura 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.

July Precipitation in Katsuura

In July, Katsuura experiences its wettest month of the year, with an impressive 207 mm (8.2 in) of rainfall spread over 17 days. This uptick in precipitation follows June's already robust total of 185 mm, highlighting a distinct trend of increasing rainfall as the summer progresses. The consistency of wet days not only contributes to the lush greenery that the region is known for but also signals the peak of the rainy season. This pattern of rising precipitation culminates in August, which sees a significant drop to 121 mm (4.7 in), indicating a transition as the summer winds down. Ultimately, July stands out as a month of ample moisture, setting the stage for both vibrant landscapes and the challenges that excessive rain can bring.

July Precipitation Trends in Katsuura

The chart displays monthly precipitation patterns in Katsuura, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Katsuura, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec655716311213518520712119627412287
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Katsuura

In July, Katsuura experiences its peak humidity at an impressive 94%, marking the height of the summer season. This significant increase follows a steady rise from June's already high 88%. As the year progresses, humidity levels in Katsuura generally trend upwards, especially during the spring and summer months, where it leaps from 81% in May to nearly enveloping the air in July's warmth. After this peak, humidity begins to gradually decline, hinting at the transition into autumn. This pattern illustrates how Katsuura's climate is characterized by distinctly high humidity in mid-year, creating a lush, vibrant atmosphere that both locals and visitors can feel in the air.

July Average Humidity in Katsuura

This chart illustrates the average monthly humidity levels in Katsuura, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Katsuura is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%69%68%73%81%88%94%87%83%78%74%72%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Katsuura

In Katsuura, Japan, July marks a peak in UV intensity, maintaining an UV Index of 11, classified as extreme. This aligns with the preceding months of May and June, which also reported the same index level, emphasizing a consistent pattern of elevated UV exposure during the summer. With a burn time as short as 10 minutes, it's crucial for residents and visitors alike to take precautionary measures against potential skin damage. As the summer months progress, the UV Index in Katsuura demonstrates a clear trend of increasing intensity, urging individuals to stay vigilant and protect their skin. For more details, check out the comprehensive Katsuura UV Index.

Maximum UV Index Levels in Katsuura for July

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

July Sunshine in Katsuura

In Katsuura, Japan, July basks in an impressive 271 hours of sunshine, marking a continuation of the vibrant summer season. Following the slightly cooler and less sunny months of June, which recorded 267 hours, July maintains this sunny momentum, paving the way for August, the sunniest month of the year with 310 hours. As the days grow longer and warmer, it’s clear that summer's embrace truly takes hold in Katsuura, creating a picturesque backdrop for outdoor activities and coastal adventures. Interestingly, after reaching its peak in August, sunlight begins to recede in September, resulting in 244 hours, hinting at the forthcoming transition into the autumn months. This seasonal pattern not only showcases the warm climate of Katsuura but also highlights the rich, sun-drenched experiences that await during the height of summer.

Monthly Sunshine Duration in Katsuura: July Highlighted

The July sunshine duration represents the total number of hours Katsuura experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec184h218h252h271h289h267h271h310h244h211h218h217h
Data source: Katsuura July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Katsuura During July

In Katsuura, Japan, July experiences a 36% chance of sunny weather, marking a notable dip compared to the sunnier months earlier in the year. As the summer unfolds, the likelihood of clear skies diminishes from 51% in January to 22% in June, suggesting a potential shift towards more variable weather patterns. Interestingly, while July is a peak season for travel, it also brings with it an increased chance of humidity and rainfall, which often obscures the sun. This trend persists into August, when the likelihood of sunny days slightly rebounds to 38%. Overall, July's weather can be described as a mixed bag, where sunny spells are interspersed with the unpredictable humidity typical of Japan's summer season.

Percentage of Sunny Days in July in Katsuura

The chart illustrates the percentage of sunny days in Katsuura throughout the year, with July 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 Katsuura experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%62%39%49%24%22%36%39%29%45%59%64%
Data source: Katsuura July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Katsuura in July

In Katsuura, Japan, the daylight duration experiences a notable progression throughout the year, with July offering approximately 14 hours of sunlight. This peak in daylight aligns with the warmer months, showcasing a vivid increase from 10 hours in January and February to 14 hours in both May and June. Following July, the days gradually shorten, with August seeing a slight decrease to 13 hours and continuing to diminish as autumn approaches, ultimately reaching 10 hours by November. This trend emphasizes Katsuura's vibrant summer days, making it an ideal time for outdoor activities before the season transitions into the cooler months.

Average Daylight Hours in Katsuura for July

The chart illustrates the variation in daylight duration in Katsuura throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 4m14h14h 28m14h 14m13h 25m12h 22m11h 16m10h 18m9h 48m
Data source: Katsuura daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Katsuura

In July, Katsuura experiences a gentle breeze, with the average wind speed dropping to 2.9 m/s (6 mph)—the lowest of the year. This decline follows a consistent pattern, as the spring months of April and May show more robust winds around 4.4 m/s and 4.5 m/s, respectively. The summer months, particularly June and July, reveal a notable lull, with June settling at 3.1 m/s (7 mph) before slipping even further in July. This trend continues into August, where the wind picks up slightly to 4.0 m/s (9 mph), suggesting that while July may feel calm, the winds are poised to reacquaint themselves with their previous vigor, heralding the dynamic weather shifts characteristic of Katsuura's summer.

Average July Wind Speed in Katsuura

The chart displays monthly wind speed patterns in Katsuura, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.54.14.44.53.12.9 m/s4.03.93.84.04.2
Data source: Katsuura July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Katsuura Compares to Other Months

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

In July, Katsuura experiences warm temperatures, with a minimum of 19°C (67°F), an average of 26°C (78°F), and a maximum reaching 34°C (93°F). The month is characterized by high humidity at 94% and significant rainfall, totalling 207 mm (8.2 in) over 17 days. In stark contrast, January offers a much cooler climate with temperatures ranging from a minimum of 0°C (31°F) to a pleasant maximum of 18°C (65°F), averaging around 7°C (46°F). Precipitation is notably lower in January at 65 mm (2.6 in) across just 6 days, and the humidity stands at 70%. For a more detailed look at January weather in the region, check out Katsuura weather in January.

The weather in July and February presents a striking contrast, with July showcasing warm temperatures ranging from a minimum of 19°C (67°F) to a scorching maximum of 34°C (93°F) and an average of 26°C (78°F). This month is characterized by high humidity levels at 94% and significant rainfall, with 207 mm (8.2 in) over 17 days. In contrast, February experiences much cooler temperatures, with a minimum of 0°C (33°F), an average of 8°C (47°F), and a maximum of 19°C (66°F). Precipitation is also lighter during February, totaling 57 mm (2.3 in) across just 9 days, and the humidity is comparatively lower at 69%. For a more detailed look at February weather, you can visit Katsuura weather in February.

July and March present starkly contrasting weather patterns. In July, temperatures soar with a minimum of 19°C (67°F) and an average of 26°C (78°F), peaking at a sweltering 34°C (93°F). This month also sees a significant amount of rainfall, with 207 mm (8.2 in) over 17 days and humidity levels reaching a high 94%. In contrast, March offers a much cooler climate, with minimum temperatures dropping to 2°C (37°F), an average of 11°C (53°F), and a maximum of 21°C (69°F). Precipitation is relatively lower at 163 mm (6.4 in) over 14 days, and humidity is a more comfortable 68%. For more details on the March weather, you can check Katsuura weather in March.

July and April present stark contrasts in weather conditions. July, marked by high temperatures, sees average daily temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), accompanied by a significant amount of rainfall measuring 207 mm (8.2 in) over 17 days, and a high humidity level of 94%. In contrast, April experiences milder weather with average temperatures from a low of 4°C (40°F) to a high of 23°C (74°F). The month receives less precipitation at 112 mm (4.4 in) across 10 days and has a substantially lower humidity level of 73%. For more detailed information on April weather, visit Katsuura weather in April.

In comparing the weather of July and May, July presents a significantly warmer climate, with average temperatures reaching 26°C (78°F) and a peak of 34°C (93°F), compared to May's milder average of 19°C (67°F) and a maximum of 28°C (82°F). Additionally, July experiences higher humidity levels at 94%, making the heat feel more intense, while May's humidity is more comfortable at 81%. Precipitation is also greater in July, with 207 mm (8.2 in) over 17 days, compared to May's 135 mm (5.3 in) across 12 days. For more detailed information about May weather, you can refer to Katsuura weather in May.

In comparing the weather between June and July, July tends to be warmer, with average temperatures reaching 26°C (78°F) compared to June's 22°C (72°F). The maximum temperature in July can soar up to 34°C (93°F), making it the hottest month. However, July also experiences higher precipitation, with 207 mm (8.2 in) of rain over 17 days, while June receives slightly less at 185 mm (7.3 in) over 15 days. Additionally, the humidity is noticeably higher in July at 94%, compared to June's 88%. For more detailed information, you can explore Katsuura weather in June.

In comparing the weather of July and August, August tends to be slightly warmer, with average temperatures rising from 26°C (78°F) in July to 28°C (82°F). While both months experience max temperatures of around 34°C (93°F to 94°F), August nights are also warmer with a minimum of 21°C (70°F) compared to July's 19°C (67°F). Precipitation decreases significantly from 207 mm (8.2 in) over 17 days in July to 121 mm (4.7 in) over 15 days in August, contributing to a slightly lower humidity level of 87% in August compared to 94% in July. If you're interested in more details about July's weather in Japan, check out Katsuura weather in August.

In July, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and an average temperature of 26°C (78°F). This month also experiences significant rainfall, with a total precipitation of 207 mm (8.2 in) spread over 17 days and high humidity levels at 94%.

In contrast, September sees a slight decrease in temperatures, with a minimum of 16°C (62°F), an average of 24°C (76°F), and a maximum of 33°C (91°F). While the total precipitation is marginally lower at 196 mm (7.7 in), it still rains on 17 days, and the humidity drops to 83%. For more insight into the weather during September, you can check out Katsuura weather in September.

In July, the weather tends to be quite warm with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), averaging around 26°C (78°F). This month experiences high humidity levels at 94%, accompanied by significant rainfall totaling 207 mm (8.2 in) over 17 days. In contrast, October sees a notable drop in temperatures, with a minimum of 12°C (54°F) and a maximum of 28°C (83°F), averaging 20°C (68°F). While October has slightly higher precipitation at 274 mm (10.8 in) and fewer rainy days (15), the humidity is lower at 78%. For more specific information about October's climate, you can visit Katsuura weather in October.

In July, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and an average of 26°C (78°F), reaching a peak of 34°C (93°F). The month also experiences significant rainfall, with 207 mm (8.2 in) over 17 days and a high humidity level of 94%, making it feel quite muggy. In contrast, November offers cooler conditions, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 23°C (74°F) and an average of 15°C (60°F). Precipitation decreases to 122 mm (4.8 in) across 11 days, and humidity drops to a more comfortable 74%. For a more detailed look at the conditions in November, you can check Katsuura weather in November.

The weather in July is characterized by warm, humid conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and an average of 26°C (78°F). With high humidity levels reaching 94%, July experiences significant rainfall, accumulating 207 mm (8.2 in) over 17 days. In contrast, December brings much cooler temperatures, with a minimum of 1°C (33°F), an average of 10°C (51°F), and a maximum of 22°C (71°F). Precipitation is lower in December, totaling 87 mm (3.4 in) over just 9 days and accompanied by a humidity level of 72%. For more detailed insights into December weather in Katsuura, feel free to explore Katsuura weather in December.

Compare Katsuura's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Katsuura

As July unfolds in Katsuura, the weather takes a vibrant turn, characterized by high temperatures and significant humidity, creating a tropical ambiance quite different from the more mild conditions of spring and autumn. With an average temperature of 26°C and maximum highs reaching up to 34°C, the warmth is palpable, encouraging outdoor adventures along the beautiful coastline. However, this summer month also brings ample precipitation, averaging 207 mm across approximately 17 days, adding a refreshing respite from the heat. This combination of heat and humidity sets July apart, making it a unique experience for both locals and visitors. For a deeper understanding of the year-round conditions, explore Katsuura Climate.