July Weather in Hayama, Japan

Last updated: August 21, 2025

July in Hayama, Japan is characterized by a warm climate, with maximum temperatures reaching 28°C (83°F) and an average of 25°C (77°F). The month sees a significant amount of precipitation, accumulating to 226 mm (8.9 in) over 17 rainy days, contributing to the region’s lush greenery. High humidity levels at 93% create a subtropical feel, making it essential for visitors to prepare for the heat and potential showers while enjoying the scenic beauty of this coastal town. Whether basking in the sun or taking refuge from the rain, July offers both warmth and vibrant nature in Hayama.

July Temperature in Hayama

In July, Hayama, Japan basks in the warmth of summer, with temperatures reflecting a significant rise from the cooler months. The minimum temperature settles at a comfortable 19°C (66°F), while the average soars to 25°C (77°F), peaking at a delightful 28°C (83°F). This marks a clear transition from June, which, while warm, hardly matches July's inviting heat. The trend showcases a vibrant and lively atmosphere as locals and visitors alike enjoy the sunny days and balmy evenings, making it an ideal time for beach outings and outdoor festivities.

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

The chart illustrates July temperature patterns in Hayama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayama, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464752576570768075676051
Data source: Temperature data for Hayama 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 Hayama

In July, Hayama, Japan, experiences a significant increase in precipitation, totaling an impressive 226 mm (8.9 in), making it one of the wettest months of the year. This surge is accompanied by a notable rise in the number of rainy days, with 17 days of rainfall, a stark contrast to the drier months earlier in the year. The monsoon-like conditions of July contribute to a lush and vibrant landscape, as the summer heat combines with frequent showers. This trend highlights the peak of the rainy season, with July's precipitation surpassing that of both June and August, emphasizing the seasonally dynamic weather of the region. As the month progresses, the relentless downpours play a crucial role in maintaining the area's rich biodiversity and scenic beauty.

July Precipitation Trends in Hayama

The chart displays monthly precipitation patterns in Hayama, 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 Hayama, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec646217214114819722612920830311182
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Hayama

In July, Hayama, Japan experiences a peak in humidity, reaching a striking 93%, which is the highest level recorded throughout the year. This summer month follows a steady rise from the relatively moderate 70% in March to a noticeable jump in June at 88%. The trend suggests that as the year progresses, the coastal town becomes increasingly humid, especially during the warmer months. Notably, August maintains a high humidity level at 90%, showing that the muggy atmosphere persists even as summer begins to wane. This seasonal shift contributes to Hayama's lush landscapes, making it a vibrant destination in the summer, even as humidity levels climb to their zenith.

July Average Humidity in Hayama

This chart illustrates the average monthly humidity levels in Hayama, 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 Hayama is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Hayama

In July, Hayama, Japan, experiences an extreme UV Index of 11, similar to the preceding month of June, indicating that sun protection is crucial with a burn time of just 10 minutes. This marked continuity of intense UV exposure underscores the summer's peak UV conditions, where outdoor enthusiasts should exercise increased caution and awareness. Visitors and locals alike should be prepared with adequate sunscreen, protective clothing, and shade to minimize the risk of sunburn and long-term skin damage. As the summer sun remains fierce through August, maintaining vigilant sun safety practices is essential. For more detailed insights, check the Hayama UV Index.

Maximum UV Index Levels in Hayama for July

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

In July, Hayama, Japan, basks in 249 hours of sunshine, a delightful continuation of the brighter days that began in early spring. Following the peak sunshine of June, the month brings a slight dip in hours, contrasting with the upcoming August that boasts 297 hours of radiant light. This trend highlights a vibrant summer, with sunshine gradually escalating from January’s modest 187 hours to the lush brightness of midsummer. The weather in Hayama tends to shift rather dramatically as the year progresses, with the increasing hours from March's 255 hours setting the stage for the sun-drenched months ahead, offering ample opportunities for outdoor adventures and beachside relaxation.

Monthly Sunshine Duration in Hayama: July Highlighted

The July sunshine duration represents the total number of hours Hayama 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h224h255h269h286h262h249h297h239h205h226h226h
Data source: Hayama July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hayama During July

In Hayama, Japan, the likelihood of sunny weather in July stands at 35%, reflecting a slight dip in sunshine compared to the spring months. As we progress from the vibrant sunshine of winter and early spring, where the chances of sun peak in January (53%) and February (64%), the numbers begin to wane through the late spring and early summer. By July, while the sun may play hide and seek, the promise of clearer skies resurfaces with August (38%) and noteworthy increases as autumn approaches. This compelling pattern illustrates a seasonal transition that residents and visitors alike should keep in mind when planning summer activities in this picturesque coastal town.

Percentage of Sunny Days in July in Hayama

The chart illustrates the percentage of sunny days in Hayama 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 Hayama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%64%41%49%24%25%35%38%29%48%62%67%
Data source: Hayama July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hayama in July

In Hayama, Japan, the daylight duration experiences a gradual increase as the year progresses, peaking in the lush summer months. Starting from a modest 10 hours in January and February, the days begin to lengthen, reaching 14 hours by June and remaining consistent through July. This splendid duration provides ample opportunity for outdoor activities and soaking up the sun. As summer transitions into late summer and early autumn, daylight gently tapers off, with 13 hours in August and gradually declining to 12 hours in September, before settling back down to 10 hours by late fall. This rhythmic pattern of daylight reveals the enchanting shift of seasons in this picturesque coastal town.

Average Daylight Hours in Hayama for July

The chart illustrates the variation in daylight duration in Hayama 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 4m14h 1m14h 29m14h 15m13h 26m12h 22m11h 16m10h 18m9h 48m
Data source: Hayama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Hayama

In July, the wind in Hayama, Japan, tends to be at its softest, with an average speed of just 3.3 m/s (7 mph). This dip follows a general trend observed since June, where the winds slowed noticeably from previous months. While January through June saw more consistent wind speeds ranging from 5.2 to 5.8 m/s, July marks the beginning of a seasonal lull. Interestingly, this calm is short-lived; as summer progresses into August, the winds pick up again to 5.0 m/s (11 mph), suggesting a return to more invigorating breezes. Such fluctuations enhance the coastal charm of Hayama's July, where the gentle winds create a serene backdrop for sunbathers and beachgoers alike.

Average July Wind Speed in Hayama

The chart displays monthly wind speed patterns in Hayama, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.35.85.45.25.33.73.3 m/s5.05.25.45.35.4
Data source: Hayama July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Hayama Compares to Other Months

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

In comparing the weather of July and January, it's evident that they present stark contrasts. July boasts a warm climate with minimum temperatures of 19°C (66°F) and average highs reaching 28°C (83°F), complemented by high humidity at 93%. However, this summer month also experiences substantial precipitation, with 226 mm (8.9 in) over 17 days. In sharp contrast, January is much cooler, with temperatures ranging from a minimum of 1°C (34°F) to an average high of 18°C (64°F). This winter month sees significantly less rainfall, only 64 mm (2.5 in) across 6 days, and a lower humidity of 76%. For those looking to explore the specifics of January weather, refer to Hayama weather in January.

July and February present starkly contrasting weather conditions. In July, temperatures soar with a minimum of 19°C (66°F) and an average of 25°C (77°F), peaking at a warm 28°C (83°F). The month is also characterized by high humidity at 93% and significant rainfall, amounting to 226 mm (8.9 in) over 17 days. In contrast, February offers a much cooler experience, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (63°F) and an average of 8°C (47°F). Precipitation in February is significantly lower at 62 mm (2.4 in) over just 8 days, and humidity is more moderate at 74%. For more details, you can visit Hayama weather in February.

In July, the weather is significantly warmer and more humid compared to March, with average temperatures reaching 25°C (77°F) and maximums soaring up to 28°C (83°F). In contrast, March experiences much cooler conditions, with average temperatures around 11°C (52°F) and maximums only hitting 19°C (66°F). Additionally, July sees higher precipitation levels, totaling 226 mm (8.9 in) over 17 days, while March has a lower precipitation amount of 172 mm (6.8 in) across 12 days. Humidity levels are also much higher in July at 93%, compared to a more comfortable 70% in March. For more details on March weather, you can visit Hayama weather in March.

The weather in July and April presents a notable contrast. July enjoys a warmer climate with an average temperature of 25°C (77°F) and maximums reaching 28°C (83°F), alongside high humidity at 93%. However, it also experiences significant precipitation, with rain on 17 days and a total of 226 mm (8.9 in). In contrast, April offers cooler temperatures, averaging 14°C (58°F) and peaking at 21°C (70°F), with lower humidity at 74%. The month sees less rainfall as well, totaling 141 mm (5.5 in) over just 12 rainy days. For more detailed information about April weather, you can check Hayama weather in April.

In comparison to May, July experiences significantly warmer temperatures, with a minimum of 19°C (66°F) and an average of 25°C (77°F), compared to May's minimum of 12°C (54°F) and average of 18°C (65°F). The maximum temperatures in July reach up to 28°C (83°F), while May peaks at 23°C (74°F). Additionally, July is markedly wetter, with 226 mm (8.9 in) of precipitation over 17 days, compared to May's 148 mm (5.8 in) over 11 days. Humidity levels also rise in July to 93%, higher than May's 81%. For a detailed look at May's weather conditions, you can check Hayama weather in May.

In comparing the weather of July and June, July shows a slight increase in temperatures, with minimums averaging 19°C (66°F) compared to June's 16°C (62°F) and maximums reaching up to 28°C (83°F) versus June's 26°C (79°F). The average temperature in July is also higher at 25°C (77°F), reflecting the transition deeper into summer. However, July experiences significantly more precipitation, with 226 mm (8.9 in) over 17 days, while June has 197 mm (7.8 in) over just 13 days. Additionally, humidity levels rise in July to 93%, compared to June's 88%, contributing to a muggier atmosphere. For more detailed insights on June's conditions, visit Hayama weather in June.

In comparing the weather of July and August, July tends to be a bit cooler, with temperatures averaging around 25°C (77°F) and a maximum of 28°C (83°F). It is also wetter, experiencing 226 mm (8.9 in) of precipitation over 17 days and maintaining high humidity levels at 93%. Conversely, August warms up, showcasing an increase in average temperatures to 27°C (80°F) and maximum highs reaching 31°C (87°F). Additionally, August sees significantly less rainfall, with 129 mm (5.1 in) over just 12 days, along with a slight decrease in humidity to 90%. For more specific details, you can refer to Hayama weather in August.

In comparing the weather between July and September, July tends to be slightly warmer, with average temperatures around 25°C (77°F) compared to September's 24°C (75°F). While both months experience similar levels of humidity, July is notably more humid at 93%, whereas September has a more comfortable 86%. Precipitation is also abundant in both months, with July receiving 226 mm (8.9 in) of rain over 17 days, slightly more than September's 208 mm (8.2 in) over the same number of days. For more detailed insights into September weather conditions, you can visit Hayama weather in September.

In July, the weather is typically warmer, with average temperatures reaching about 25°C (77°F) and maximums hitting 28°C (83°F). However, it also comes with high humidity at 93% and considerable rainfall, averaging 226 mm (8.9 in) over 17 days. In contrast, October brings cooler temperatures, with a mild average of 20°C (68°F) and maximums around 26°C (79°F). While there is still significant rainfall in October, totaling 303 mm (11.9 in) over the same number of rainy days, the humidity drops to a more comfortable 83%. For more details on October's weather, you can check out Hayama weather in October.

In July, the weather tends to be warm and humid, with average temperatures around 25°C (77°F) and maximum highs reaching up to 28°C (83°F). This month also experiences significant precipitation, totaling 226 mm (8.9 in) over approximately 17 days, resulting in a high humidity level of 93%. In contrast, November brings much cooler temperatures, with an average of 15°C (60°F) and maximums reaching 21°C (71°F). Although it experiences less rainfall than July, with 111 mm (4.4 in) spread over 12 days, the humidity decreases to 80%. For more detailed information on November weather, you can check Hayama weather in November.

In July, the weather is characterized by warm temperatures, with a minimum of 19°C (66°F) and an average high of 28°C (83°F). This month sees considerable precipitation, with 226 mm (8.9 in) of rain over 17 days, accompanied by high humidity levels of 93%. In contrast, December presents much cooler conditions, where temperatures range from a minimum of 3°C (37°F) to a maximum of 21°C (69°F), with an average of 11°C (52°F). Rainfall is markedly lower at 82 mm (3.2 in) over 11 days, and the humidity also drops to 78%. For more detailed insights about December weather, check Hayama weather in December.

Compare Hayama's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Hayama

As July rolls into Hayama, the weather transforms, bringing a unique blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around 25°C and the occasional peak reaching 28°C, outdoor enthusiasts might relish the sun-drenched days—but they should be prepared for the high humidity levels, which can reach a sweltering 93%. Rainfall also becomes a frequent companion, with 226 mm of precipitation spread over nearly half the month. This mix of heat and moisture not only creates a lush environment but also emphasizes the need for planning around those rainy days. For a detailed understanding of how July compares to other months, visit Hayama Climate.