July Weather in Chiba, Japan

Last updated: August 21, 2025

Experience the warmth of Chiba, Japan in July, where temperatures soar to a maximum of 36°C (97°F) and settle at an average of 25°C (78°F), making it a fantastic time for summer activities. However, be prepared for some wet days, as the region sees about 226 mm (8.9 in) of rainfall over 16 days. The high humidity level, reaching 93%, adds a steamy touch to the summer air, making it essential to stay hydrated and cool. Whether exploring the vibrant local culture or enjoying the beautiful landscapes, July in Chiba offers a unique blend of warmth and occasional showers.

July Temperature in Chiba

In July, Chiba, Japan, experiences a notable rise in temperatures, marking one of the hottest months of the year. With a minimum temperature of 19°C (66°F) and an average soaring to 25°C (78°F), residents and visitors alike can expect a vibrant summer atmosphere. The maximum temperature can peak at a sweltering 36°C (97°F), making it essential to stay hydrated and seek shade during the day's hottest hours. This upward trend in temperature, especially compared to the preceding months, highlights July's warm embrace, transitioning smoothly from the milder conditions of June. As the summer progresses, Chiba’s climate creates an inviting backdrop for outdoor activities and local festivals, making it an ideal time to experience the region's rich culture and scenic beauty.

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

The chart illustrates July temperature patterns in Chiba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chiba, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434450576671778175665748
Data source: Temperature data for Chiba 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 Chiba

In July, Chiba, Japan experiences its wettest month of the year, with an impressive 226 mm (8.9 in) of precipitation spread over 16 days. This surge in rainfall marks a significant increase from previous months, notably June's already substantial 190 mm (7.5 in), as the region moves deeper into the summer season. The pattern underscores a trend of heightened moisture during these peak summer months, setting the stage for lush landscapes and a vibrant environment, despite the frequent downpours. As Chiba transitions into August, one can expect a noticeable decrease in precipitation, with about 118 mm (4.7 in) forecasted, hinting at a return to slightly dryer conditions.

July Precipitation Trends in Chiba

The chart displays monthly precipitation patterns in Chiba, 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 Chiba, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec635116213714719022611823231311980
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Chiba

In July, Chiba, Japan experiences its peak humidity level at an alarming 93%, contributing to the sweltering summer heat. This month stands out as a stark contrast to the drier winter months, where humidity ranges from 74% to 76%. As spring transitions into summer, humidity begins to rise, hitting 88% in June and maintaining its elevated status into the sweltering August at 90%. Such trends highlight the growing discomfort of a humid climate, particularly in the peak of summer, where activities can feel increasingly stifling. Overall, July’s humidity reflects the region's marked shift from dry winter conditions to the oppressively muggy environment typical of the heart of summer.

July Average Humidity in Chiba

This chart illustrates the average monthly humidity levels in Chiba, 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 Chiba 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 Chiba

In July, Chiba, Japan, experiences an extreme UV Index level of 11, maintaining the heightened risk that began in June. This intensity means that residents and visitors alike should limit their sun exposure to just 10 minutes to avoid sunburn. As summer reaches its peak, the UV Index remains high at this time of year, paralleling the figures seen in August, indicating a trend of sustained solar intensity during the summer months. Compared to the milder conditions of earlier months, such as January's moderate UV Index of 3 and the burn times of 30 minutes, July's extreme levels starkly highlight the need for protective measures. Staying informed is vital; for more details, visit the Chiba UV Index.

Maximum UV Index Levels in Chiba for July

The chart shows the monthly maximum UV Index (UVI) for Chiba 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 Chiba typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Chiba 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 Chiba

July in Chiba, Japan, bathes in 238 hours of sunshine, a delightful glimpse into the summer months that precede the solar peak of August, which boasts 288 hours. As the year progresses, Chiba experiences a steady increase in sunlight, culminating in the vibrant energy of summer. Notably, June, often a transitional month, also offers a healthy 257 hours, setting the stage for July's warmer days. This upward trend in sunlight hours not only enhances outdoor activities but also contributes to the rich tapestry of summer life in Chiba, making it an ideal time for festivals and gatherings. As the sunlight begins to wane in September, Chiba's July shines brightly as a highlight of the season.

Monthly Sunshine Duration in Chiba: July Highlighted

The July sunshine duration represents the total number of hours Chiba 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h230h256h270h281h257h238h288h234h201h225h224h
Data source: Chiba July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chiba During July

In July, Chiba, Japan experiences a 35% chance of sunny weather, marking a notable dip as summer unfolds. This trend of sunshine is a decline from the sunnier months earlier in the year, particularly February's robust 64% chance. As the heat intensifies, the likelihood of clear skies diminishes, continuing a pattern observed in June and shifting slightly upwards in August to 38%. With summer in full swing, July presents a mix of warm days and the potential for overcast skies, making it a tipping point between the bright spring sun and the fluctuating summer weather.

Percentage of Sunny Days in July in Chiba

The chart illustrates the percentage of sunny days in Chiba 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 Chiba experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%64%41%50%24%24%35%38%27%47%54%58%
Data source: Chiba July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chiba in July

In Chiba, Japan, the month of July offers a delightful experience with 14 hours of daylight, maintaining the brightness seen in June. This consistent duration reflects a peak in summer abundance, as daylight hours begin to taper off slightly in August with 13 hours. The gradual increase in daylight from 10 hours in January to 14 hours by May marks a significant transition into warmer months, where nature is in full bloom. As autumn approaches in September and October, daylight hours steadily decrease, reminding us of the cyclical nature of the seasons. Overall, July stands out as a vibrant midpoint in Chiba's annual journey through light and life.

Average Daylight Hours in Chiba for July

The chart illustrates the variation in daylight duration in Chiba throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 2m10h 52m11h 58m13h 5m14h 2m14h 30m14h 16m13h 26m12h 22m11h 15m10h 16m9h 46m
Data source: Chiba daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Chiba

In July, the winds in Chiba, Japan, are typically at their calmest, with an average speed of just 3.1 m/s (7 mph). This is a noticeable dip from the breezier months of May and June, which feature average speeds of 5.0 m/s (11 mph) and 3.4 m/s (8 mph), respectively. As the summer progresses, the winds tend to pick up again in August, reaching 4.4 m/s (10 mph). Overall, July stands out as a tranquil month amid a trend of varying wind speeds throughout the year, offering a gentle respite during the warm summer days.

Average July Wind Speed in Chiba

The chart displays monthly wind speed patterns in Chiba, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.44.34.55.03.43.1 m/s4.44.04.13.64.0
Data source: Chiba July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Chiba Compares to Other Months

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

July and January present stark contrasts in weather. In July, temperatures soar with a minimum of 19°C (66°F) and a maximum of 36°C (97°F), making it a hot and humid month with an average of 25°C (78°F). The month is also characterized by significant rainfall, totaling 226 mm (8.9 in) over 16 days and high humidity at 93%. In contrast, January sees much cooler temperatures, ranging from a minimum of -2°C (28°F) to a maximum of 16°C (61°F), with an average of 6°C (43°F). Rainfall drops significantly to 63 mm (2.5 in) over just 5 days, and humidity is lower at 76%. For more details on January weather, visit Chiba weather in January.

July and February present stark contrasts in weather conditions. In July, temperatures soar with a minimum of 19°C (66°F) and an average of 25°C (78°F), reaching a peak of 36°C (97°F). This month is characterized by high humidity at 93% and substantial precipitation, averaging 226 mm (8.9 in) over 16 days of rain. In contrast, February experiences much cooler temperatures, ranging from a minimum of 0°C (32°F) to an average of 7°C (44°F) and a maximum of 16°C (62°F). The month is relatively dry, with only 50 mm (2.0 in) of precipitation over 7 days, and lower humidity at 74%. For more detailed information on this winter month, refer to Chiba weather in February.

In July, the weather is significantly warmer with temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 36°C (97°F), averaging around 25°C (78°F). This month also experiences high humidity at 93% and substantial rainfall, totaling 226 mm (8.9 in) over 16 days. In contrast, March boasts much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 20°C (68°F), averaging only 10°C (50°F). The precipitation in March is comparatively less at 162 mm (6.4 in), occurring over 13 days, and the humidity is lower at 70%. For more insights into what to expect, you can refer to Chiba weather in March.

When comparing the weather between July and April, it's clear there are significant differences. July boasts much warmer temperatures, with averages around 25°C (78°F) and highs reaching up to 36°C (97°F), while April's temperatures are much cooler, averaging only 14°C (57°F) with a maximum of 24°C (76°F). Additionally, July experiences higher humidity at 93% compared to April's 74%, making it feel more stifling. Precipitation also varies, with July receiving 226 mm (8.9 in) over 16 days, whereas April sees less rain at 137 mm (5.4 in) spread over 11 days. For more detailed information, you can check Chiba weather in April.

In July, the weather is distinctly warmer and more humid compared to May, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 36°C (97°F) and an average of 25°C (78°F). In contrast, May features cooler temperatures, with a range from 10°C (51°F) to 27°C (81°F) and an average of 19°C (66°F). Additionally, July experiences significantly more precipitation, totaling 226 mm (8.9 in) over 16 days, compared to May's 147 mm (5.8 in) over 12 days. The humidity also peaks in July at 93%, whereas May has a more comfortable humidity level at 81%. For more details, check out Chiba weather in May.

When comparing the weather between June and July, July proves to be significantly warmer and more humid. The minimum temperature in July starts at 19°C (66°F), with an average of 25°C (78°F) and can reach up to 36°C (97°F), while June’s temperatures range from a minimum of 16°C (61°F) to a maximum of 31°C (88°F). Furthermore, July experiences slightly more rainfall, receiving 226 mm (8.9 in) over 16 days compared to June's 190 mm (7.5 in) over 14 days. The humidity in July also rises to 93%, up from June's 88%, making July feel even hotter and stickier. For more detailed information, you can visit Chiba weather in June.

In comparing the weather between July and August, July experiences warmer temperatures, with an average of 25°C (78°F) and peaks reaching up to 36°C (97°F). Conversely, August sees a slight drop in maximum temperatures, averaging 27°C (81°F) and maxing out at 33°C (92°F). While July is marked by higher humidity levels at 93% and considerable rainfall of 226 mm (8.9 in) over 16 days, August features less precipitation at 118 mm (4.7 in) across 13 days and a marginally lower humidity of 90%. For a more detailed insight into the weather specifics for August, you can check out Chiba weather in August.

July and September present distinct weather characteristics despite their proximity in the calendar year. In July, temperatures range from a minimum of 19°C (66°F) to a maximum of 36°C (97°F), with an average of 25°C (78°F). The month experiences substantial precipitation, totaling 226 mm (8.9 in) over 16 days, along with a high humidity level of 93%. In contrast, September sees slightly cooler temperatures, with a minimum of 16°C (60°F) and a maximum of 32°C (89°F), averaging 24°C (75°F). Although precipitation increases to 232 mm (9.1 in) over 18 days, humidity is lower at 86%. These changes indicate a gradual transition from the sweltering summer heat of July to the milder, yet still humid, conditions of September. For more detailed information, you can check Chiba weather in September.

In July, the weather is characterized by high temperatures, with a minimum of 19°C (66°F), an average of 25°C (78°F), and a maximum soaring up to 36°C (97°F). This month also sees significant rainfall, with 226 mm (8.9 in) spread over 16 days, coupled with high humidity levels at 93%. In contrast, October experiences cooler temperatures, ranging from a minimum of 11°C (53°F) to a maximum of 28°C (83°F) and an average of 19°C (66°F). Rainfall increases slightly to 313 mm (12.3 in) over 17 days, while humidity decreases to 83%. For more details on the weather in October, you can visit Chiba weather in October.

July and November exhibit stark contrasts in weather conditions. In July, temperatures soar, with a minimum of 19°C (66°F) and maximum reaching up to 36°C (97°F), accompanied by high humidity at 93%. This month is also marked by significant rainfall, accumulating to 226 mm (8.9 in) over approximately 16 days. Conversely, November brings much cooler temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 21°C (71°F), with an average of 14°C (58°F). The precipitation decreases to 119 mm (4.7 in) spread over 12 days, and humidity levels drop to 80%. For more details on weather patterns during this month, you can check Chiba weather in November.

July and December exhibit striking contrasts in weather patterns. In July, temperatures soar with a minimum of 19°C (66°F) and an average of 25°C (78°F), peaking at a sweltering 36°C (97°F). This month also experiences significant rainfall, with 226 mm (8.9 in) of precipitation over 16 days, accompanied by high humidity levels at 93%. In contrast, December brings a more subdued climate, with temperatures ranging from a chilly 0°C (33°F) to a mild 20°C (68°F) and an average of only 9°C (48°F). Precipitation in December is considerably less, totaling 80 mm (3.2 in) over just 8 days, and humidity decreases to 78%. For a closer look at the weather specifics, visit Chiba weather in December.

Compare Chiba's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Chiba

In July, Chiba's weather transforms into a sizzling summer experience, with temperatures soaring and humidity levels nearing 93%. This month stands out from the rest of the year, as residents and visitors alike contend with increased warmth and notable rainfall—averaging 226 mm over 16 days. July offers a unique blend of heat and moisture that invigorates the air, making it distinctively vibrant yet challenging compared to the milder months surrounding it. For those looking to understand the full spectrum of Chiba's weather, visit Chiba Climate for a more in-depth exploration.