July Weather in Sasebo, Japan

Last updated: August 21, 2025

July in Sasebo, Japan is characterized by intense summer warmth and significant rainfall. With maximum temperatures soaring to 36°C (96°F) and an average of 27°C (80°F), residents and visitors alike experience a tropical atmosphere. Nights offer some respite with minimum temperatures around 19°C (66°F). However, the month is also marked by substantial precipitation, accumulating 361 mm (14.2 in) over the course of 18 wet days, contributing to a high humidity level of 97%. This combination of heat and moisture creates a vibrant yet steamy climate, making July a noteworthy month for experiencing the lush landscapes of Sasebo.

July Temperature in Sasebo

In July, Sasebo, Japan, experiences a warm embrace, with temperatures reflecting the peak of summer. The minimum temperature settles at a comfortable 19°C (66°F), while the average climbs to a balmy 27°C (80°F), and the maximum can soar to 36°C (96°F), creating a vibrant atmosphere ideal for outdoor adventures. This month marks a significant transition from the milder pleasantries of spring, as temperatures rise notably from June’s comfortable range, emphasizing a distinct shift to hot summer days. As the humidity increases, July presents an invigorating blend of warmth, perfect for enjoying Sasebo's stunning coastal scenery and vibrant local culture.

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

The chart illustrates July temperature patterns in Sasebo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sasebo, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464754606873808377685849
Data source: Temperature data for Sasebo 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.

July Precipitation in Sasebo

July is the pinnacle of monsoon season in Sasebo, Japan, characterized by a remarkable 361 mm (14.2 inches) of precipitation, making it the wettest month of the year. During this time, rainfall occurs on an average of 18 days, significantly increasing the frequency compared to previous months. While June sets the stage with 200 mm of rain over 12 days, July's deluge marks a notable surge, showcasing the region's susceptibility to heavy rainfalls. This trend continues into August with 288 mm of rainfall, albeit with slightly fewer wet days, further emphasizing the heavy reliance on seasonal rainfall in Sasebo. As July envelops the city in a vibrant yet soggy atmosphere, it serves as a reminder of the region's dynamic climatic influences.

July Precipitation Trends in Sasebo

The chart displays monthly precipitation patterns in Sasebo, 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 Sasebo, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec57791321141682003612882221095174
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Sasebo

In Sasebo, Japan, July brings the peak of humidity, soaring to an impressive 97%. This dramatic increase marks a notable rise from the already high levels of 91% observed in June. As summer sets in, the region experiences its most humid month, creating a sultry atmosphere that contrasts with the cooler, drier winter months, where humidity averages around 72-75%. Following July, humidity levels begin to taper slightly in August at 94%, suggesting a gradual transition back to more moderate conditions as the year progresses. This trend reveals Sasebo’s distinct seasonal shifts, characterized by a sweltering summer that reaches its pinnacle in July before slowly yielding to the more temperate fall.

July Average Humidity in Sasebo

This chart illustrates the average monthly humidity levels in Sasebo, 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 Sasebo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%69%71%79%87%92%97%94%84%79%75%72%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Sasebo

In July, Sasebo, Japan, experiences its highest UV Index of the year, reaching an intense level of 12. This extreme rating means that sun protection is crucial, with an effective burn time of just 10 minutes under direct sunlight. The trend for this peak summer month follows a sharp rise from earlier in the year, where exposure levels began at a moderate 4 in January and escalated to extreme by May and June. As the summer progresses, both July and August maintain this robust UV intensity, reminding residents and visitors alike to diligently safeguard their skin against harmful UV rays. For further details and to stay informed about daily UV levels, visit the Sasebo UV Index.

Maximum UV Index Levels in Sasebo for July

The chart shows the monthly maximum UV Index (UVI) for Sasebo 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 Sasebo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121211764
Data source: Sasebo 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 Sasebo

As July rolls in, Sasebo, Japan basks in the warmth of summer with 287 hours of sunshine, offering a delightful blend of vibrant days and bright skies. This month stands out as a high point in a seasonal trend, following a steady increase in sunlight hours since the early months of the year. April and May see a gradual rise, paving the way for the sun-drenched glory of July and the even sunnier August that follows, boasting an impressive 306 hours. This upward trajectory, peaking in the heart of summer, illustrates Sasebo’s delightful transition from the cooler winter months and highlights the allure of summer adventures bathed in golden sunlight. As the days grow longer and warmer, July invites locals and visitors alike to enjoy the stunning outdoor experiences that this beautiful city has to offer.

Monthly Sunshine Duration in Sasebo: July Highlighted

The July sunshine duration represents the total number of hours Sasebo 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h227h264h284h288h274h287h306h258h258h236h198h
Data source: Sasebo July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sasebo During July

In July, Sasebo, Japan experiences a notable dip in sunny weather, with only a 20% chance of sunshine. This reflects a trend of decreasing sunlight as summer approaches, with June already seeing a low of 25%. While many might expect brighter days during the peak of summer, Sasebo's weather pattern suggests a more overcast environment, reminiscent of the cooler months like January and March, which also boast lower sun percentages. Interestingly, this lack of sun in July contrasts sharply with the brighter October, where the likelihood of clear skies rises to a more hopeful 62%. Thus, travelers and locals alike should prepare for a July that may not live up to the typical sun-soaked expectations of summer.

Percentage of Sunny Days in July in Sasebo

The chart illustrates the percentage of sunny days in Sasebo 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 Sasebo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%44%36%40%32%25%20%29%33%62%50%40%
Data source: Sasebo July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sasebo in July

In Sasebo, Japan, July brings a delightful continuation of the long summer days, with an impressive 14 hours of daylight that mirrors June's offering. This peak in daylight duration marks a notable shift from the months earlier in the year, when January and February only offered a modest 10 hours. As spring ushers in longer days in March and April, the gradual increase culminates in the vibrant warmth of summer. Following July, daylight begins a gentle decline in August, signaling the transition towards autumn with 13 hours of sunlight. This steady ebb and flow of daylight throughout the year not only enhances Sasebo's charm but also encourages outdoor activities during the sun-filled months.

Average Daylight Hours in Sasebo for July

The chart illustrates the variation in daylight duration in Sasebo throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 59m11h 58m13h13h 51m14h 17m14h 4m13h 19m12h 20m11h 19m10h 26m9h 59m
Data source: Sasebo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Sasebo

In Sasebo, Japan, the winds of July bring a refreshing breeze, with an average speed of 2.9 m/s (6 mph). While this marks a slight uptick from the gentle gusts of June, it remains lower than the stronger winds typically felt earlier in the year. The wind speed peaks in the cooler months, particularly in January and February at 4.0 m/s (9 mph), showcasing a clear trend: as summer progresses, winds tend to mellow, creating a calm yet inviting summer atmosphere. August and September follow suit with similar speeds, hinting at a coastal rhythm that captivates both residents and visitors alike. As the year transitions toward autumn, expect winds to gradually pick up again, embodying the dynamic weather patterns of this charming coastal town.

Average July Wind Speed in Sasebo

The chart displays monthly wind speed patterns in Sasebo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.03.73.53.22.42.9 m/s3.13.02.93.43.8
Data source: Sasebo July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Sasebo Compares to Other Months

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

In comparing the weather of July and January, we see a stark contrast in both temperature and precipitation patterns. July boasts a warm average temperature of 27°C (80°F), with maximums reaching up to 36°C (96°F), making it one of the hottest months of the year. In contrast, January sees a much cooler climate, with average temperatures around 8°C (46°F) and maximums of only 18°C (66°F). Furthermore, July experiences significant rainfall, totaling 361 mm (14.2 in) over 18 days and accompanied by high humidity levels of 97%. January, on the other hand, has considerably lower precipitation at 57 mm (2.2 in) over just 7 days, and the humidity is relatively lower at 73%. For those interested in more information about January weather in Sasebo, Sasebo weather in January offers detailed insights.

The weather in July and February presents a stark contrast, both in temperature and overall conditions. July is characterized by warm temperatures, with a minimum of 19°C (66°F), an average of 27°C (80°F), and highs reaching up to 36°C (96°F). This month also experiences significant rainfall, with 361 mm (14.2 in) over 18 days, coupled with high humidity at 97%. In stark comparison, February has much cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 21°C (70°F) and an average of 8°C (47°F). Precipitation is considerably lower at 79 mm (3.1 in) spread over just 9 days, and the humidity is less oppressive at 69%. For more detailed insights into February weather, visit Sasebo weather in February.

July and March showcase stark differences in weather patterns, reflecting the transition from winter to summer. In July, temperatures soar, with a minimum of 19°C (66°F) and averages reaching up to 27°C (80°F), peaking at a sweltering 36°C (96°F). This month is characterized by high humidity at 97% and substantial rainfall, averaging 361 mm (14.2 in) over 18 days. In contrast, March brings a much cooler climate, with temperatures ranging from a minimum of 2°C (37°F) to a comfortable maximum of 23°C (73°F) and an average of only 12°C (54°F). Rainfall in March is significantly lower at 132 mm (5.2 in) over 10 days, and the humidity sits at a much milder 71%. For more details about Sasebo's climate in March, you can visit Sasebo weather in March.

In comparing the weather of July and April, we see a stark contrast in temperature and precipitation. July boasts a warm average temperature of 27°C (80°F) with highs reaching up to 36°C (96°F), while April's average is significantly cooler at 16°C (60°F), peaking at 27°C (82°F). Precipitation also varies, with July experiencing heavy rainfall of 361 mm (14.2 in) over 18 days compared to April's modest 114 mm (4.5 in) across just 9 days. Additionally, humidity levels are noticeably higher in July at 97%, compared to April's 79%, creating a humid summer environment in contrast to the drier spring conditions. For more details on April's weather, you can check Sasebo weather in April.

July and May present contrasting weather conditions. In July, temperatures soar with a minimum of 19°C (66°F) and an average of 27°C (80°F), reaching a maximum of 36°C (96°F). The month is also marked by significant rainfall, totaling 361 mm (14.2 inches) over 18 days, accompanied by high humidity levels reaching 97%. In contrast, May features milder temperatures, with a minimum of 9°C (48°F), an average of 20°C (68°F), and a maximum of 28°C (83°F). Precipitation in May is notably lower at 168 mm (6.6 inches) over 11 days, along with a more manageable humidity of 87%. For more detailed insights, check Sasebo weather in May.

In comparing the weather of June and July, July tends to be noticeably warmer and more humid. June experiences a minimum temperature of 16°C (61°F) and averages around 23°C (74°F), while July sees a rise with minimums of 19°C (66°F) and an average temperature of 27°C (80°F). The maximum temperatures also escalate, reaching up to 36°C (96°F) in July compared to June’s peak of 31°C (89°F). Additionally, July is significantly wetter, with 361 mm (14.2 in) of precipitation over 18 days, compared to June’s 200 mm (7.9 in) over 12 days. This increase in rainfall and humidity, which peaks at 97% in July versus June’s 91%, contributes to a more oppressive atmosphere during the peak summer month. For more detailed insights, you can check Sasebo weather in June.

July and August both offer warm temperatures, but August is slightly warmer, with an average of 28°C (83°F) compared to July's 27°C (80°F). The maximum temperature in August can reach up to 37°C (99°F), just above July's high of 36°C (96°F). While both months experience significant rainfall, July sees more precipitation at 361 mm (14.2 in) over 18 days, whereas August receives 288 mm (11.3 in) over 15 days. Humidity levels are also a bit lower in August at 94%, compared to July's high of 97%. For more detailed information, you can check out Sasebo weather in August.

July and September present distinct weather patterns, with July being notably warmer and more humid. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 36°C (96°F), accompanied by high precipitation levels of 361 mm (14.2 in) over 18 days and a humidity of 97%. In contrast, September sees slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 34°C (94°F). The month also experiences less rainfall at 222 mm (8.7 in) over 15 days, with humidity dropping to 84%. For more detailed insights on September's weather, you can visit Sasebo weather in September.

The weather in July contrasts significantly with that of October. In July, temperatures soar with a minimum of 19°C (66°F) and an average high of 27°C (80°F), peaking at a sweltering 36°C (96°F). This month is also characterized by high humidity at 97% and substantial rainfall, averaging 361 mm (14.2 in) over 18 days. In comparison, October experiences much cooler temperatures, with lows dropping to 11°C (51°F) and an average of 20°C (68°F), reaching a maximum of 31°C (88°F). Additionally, October sees a significant reduction in rainfall to 109 mm (4.3 in) spread over just 9 days, along with lower humidity at 79%. For more details on the October climate, you can check Sasebo weather in October.

July and November present starkly contrasting weather patterns. In July, temperatures soar with a minimum of 19°C (66°F), averaging around 27°C (80°F), and peaking at 36°C (96°F). This month also experiences significant rainfall, with 361 mm (14.2 in) spread over 18 days, resulting in high humidity levels of 97%. In sharp contrast, November brings much cooler temperatures, ranging from a low of 4°C (40°F) to a comfortable average of 15°C (58°F), reaching a maximum of 25°C (77°F). Additionally, November sees a dramatic drop in precipitation to 51 mm (2.0 in) across just 7 days, with humidity levels decreased to 75%. For more detailed insights on November weather, you can check Sasebo weather in November.

July and December present stark contrasts in weather. In July, temperatures soar with a minimum of 19°C (66°F) and reaching as high as 36°C (96°F), average around 27°C (80°F), while the region experiences heavy rainfall totaling 361 mm (14.2 in) over 18 days, resulting in a humidity level of 97%. On the other hand, December is much cooler, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 23°C (74°F), averaging only 9°C (49°F). Additionally, precipitation is significantly lower at 74 mm (2.9 in) spread across just 7 days, and humidity drops to 72%. This seasonal shift highlights the dramatic differences in climate between mid-summer and late autumn. For more specific details, check out Sasebo weather in December.

Compare Sasebo's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Sasebo

As July unfolds in Sasebo, the weather truly heats up, showcasing a drastic shift from the mild conditions of other months. The warmth intensifies, with temperatures soaring, reaching a maximum of 36°C. This month is also marked by high humidity, hovering around 97%, which can make the heat feel even more oppressive. While rainfall contributes to the lush scenery, with 361 mm of precipitation measured over about 18 days, it serves as a reminder of the summer's unpredictability. Overall, July sets itself apart with its steamy temperatures and frequent showers, making it a month of contrasts. For more insights on Sasebo’s weather patterns, visit Sasebo Climate.