Last updated: August 21, 2025
In Okayama, Japan, July brings a warm and humid climate, with maximum temperatures soaring up to 37°C (99°F) and an average of 27°C (81°F). The minimum temperature seldom drops below 20°C (68°F), creating a sultry atmosphere. This month witnesses significant precipitation, with a total of 291 mm (11.5 in) spread over 17 rainy days, contributing to a high humidity level of 92%. Visitors are advised to prepare for both the heat and the frequent showers, making July a unique blend of summer vitality intertwined with the refreshing embrace of rain.
In July, Okayama, Japan, experiences its peak summer heat, with temperatures averaging a balmy 27°C (81°F). The month starts with a minimum of 20°C (68°F) at night, allowing for warm evenings, while daytime highs can reach an impressive 37°C (99°F). This significant rise in temperature reflects the transition from the milder conditions of June, which had a maximum of 33°C (91°F), to the sweltering summer peak. As July progresses, the warmth invites residents and visitors alike to partake in outdoor activities, festivals, and leisurely summer evenings under the starlit sky. The shift in temperatures sets the stage for a vibrant season full of life and energy in Okayama.
In July, Okayama, Japan experiences a dramatic surge in precipitation, with an impressive 291 mm (11.5 in) of rain falling over 17 days. This represents a significant increase compared to the preceding months, peaking after a steady rise from 153 mm in June and nearly matching the combined totals of May and April. The pattern reflects the onset of the region's rainy season, where increased humidity yields frequent showers, often leading to lush landscapes. As the warmest month, July not only boasts the highest rainfall but also showcases a striking contrast to the drier winter months, highlighting the dynamic shifts in Okayama's climate throughout the year.
July in Okayama, Japan, marks the peak of humidity, reaching a notable 92%, a trend that continues into August. This summer spike follows a gradual increase from the lower levels observed in the earlier months, with January's humidity at 82% and a sharp rise starting in June at 86%. The noticeable shift in humidity levels illustrates the transition into the hot and muggy summer season, where the air feels particularly heavy. Interestingly, while the humidity in late spring is relatively high at 84% in May, it pales in comparison to the July and August averages, suggesting a significant surge in moisture that defines Okayama's summer climate. As the year progresses, humidity steadily declines, hinting at the returning comfort of autumn.
In July, Okayama experiences its peak UV Index, reaching a striking 12, categorized as extreme. This means that sun exposure can lead to skin damage in just 10 minutes without proper protection. Following the pattern established over the preceding months, July's intensity mirrors that of June and May, all maintaining an extreme classification. As summer continues, the UV levels highlight the importance of sun safety, urging residents and travelers alike to take precautions. With the UV Index usually soaring high during this time, July stands out as a critical month for sun care. For more details, visit the Okayama UV Index.
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In July, Okayama basks in a delightful 272 hours of sunshine, continuing the region's embrace of bright, warm weather as summer reaches its peak. While sunlight begins to recede slightly from the highs of August, which boasts a remarkable 302 hours, July still offers a healthy dose of golden rays. The trend of increasing daylight hours starts in the early months of the year, peaking mid-summer. Despite the dip in sunshine from June's 280 hours, July remains a vibrant month, solidifying its position as a cherished time for outdoor activities before the advent of the softer light in September. Overall, Okayama exemplifies a dynamic summer climate, radiating warmth and inviting exploration under its expansive blue skies.
In Okayama, Japan, the likelihood of sunny weather shows a significant decline from the spring into the summer months. While January to April boasts a relatively optimistic chance of sun, peaking around 54% in February and 47% in April, the transition into summer sees a noticeable dip. By July, the probability of clear skies drops to just 26%, mirroring the trend observed in June's similarly low chance. Interestingly, the sun's presence picks up again in October and November, reaching 56%, suggesting a pattern of fluctuating sunshine that residents and visitors alike need to navigate when planning their summer activities.
In Okayama, Japan, the month of July continues the trend of abundant daylight, boasting 14 hours of sunlight each day. This peak in daylight follows a gradual increase that begins in the early spring, with hours rising from 11 in March to 14 by June. Although July maintains this impressive daylight duration, the subsequent month of August experiences a slight decline to 13 hours, hinting at the transitioning seasons ahead. As the year progresses, daylight hours diminish steadily, tapering down to 9 hours by December, encapsulating the cyclical dance of seasons that characterizes this beautiful region.
In July, the winds in Okayama, Japan, whisper gently at an average speed of 2.2 m/s (5 mph), mirroring the calmness of June’s breezes. This trend of lighter winds continues the mid-summer lull, providing a tranquil atmosphere ideal for enjoying outdoor activities. Unlike the brisk gusts of earlier months like January and February, which saw speeds of 3.2 m/s (7 mph) and 3.5 m/s (8 mph) respectively, July's lighter winds create a serene backdrop against the summer heat. As summer progresses, the wind speed will gradually rise again, reaching 2.5 m/s (6 mph) in August, suggesting a pleasant transition into the latter summer months while maintaining a gentle, laid-back vibe.
Weather in Okayama varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Okayama, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present a stark contrast in weather conditions. In July, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 37°C (99°F), with an average of 27°C (81°F). The month is characterized by high humidity at 92% and significant precipitation of 291 mm (11.5 in) over 17 days. In contrast, January is much colder, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 16°C (62°F), and an average temperature of 6°C (42°F). The winter month sees much less precipitation, totaling only 33 mm (1.3 in) over just 3 days and a humidity level of 82%. For more detailed information about January weather, check out Okayama weather in January.
July and February present quite contrasting weather patterns. In July, temperatures soar with a minimum of 20°C (68°F) and a maximum reaching up to 37°C (99°F), creating a hot and humid environment characterized by an average of 27°C (81°F). This month also sees significant rainfall, totaling 291 mm (11.5 in) over 17 days, resulting in a high humidity level of 92%. In stark contrast, February experiences much cooler temperatures, with a minimum of -5°C (23°F) and a comfortable maximum of 21°C (70°F), averaging around 6°C (43°F). Precipitation is minimal at 47 mm (1.9 in) over just 5 days, coupled with a humidity level of 79%. For more specific details about February weather, check out Okayama weather in February.
July and March present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 20°C (68°F) and an average of 27°C (81°F), reaching a scorching maximum of 37°C (99°F). The month also sees significant rainfall, with 291 mm (11.5 in) falling over 17 days and humidity levels peaking at 92%. In contrast, March offers much cooler temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 24°C (75°F), with an average temperature of 10°C (51°F). Precipitation in March is notably lower at 94 mm (3.7 in) over just 9 days and with humidity at a more comfortable 73%. To learn more about the March weather specifics, you can visit Okayama weather in March.
When comparing the weather between July and April, it is evident that July experiences significantly warmer temperatures, with minimums averaging around 20°C (68°F) and highs reaching up to 37°C (99°F), while April's temperatures range from a chilly 1°C (34°F) to a milder maximum of 26°C (79°F). Additionally, July is characterized by high humidity levels at 92% and substantial rainfall, averaging 291 mm (11.5 in) over 17 days, in contrast to April's comparatively lower precipitation of 119 mm (4.7 in) over just 8 days and a humidity level of 74%. For more detailed information on April weather, you can visit Okayama weather in April.
In comparing the weather between May and July, it becomes clear that July is significantly warmer and more humid. While May enjoys a milder average temperature of 20°C (68°F) with a maximum of 32°C (89°F), July sees much hotter days with average temperatures around 27°C (81°F), peaking at 37°C (99°F). Additionally, precipitation levels are notably higher in July, with 291 mm (11.5 in) spread over 17 days, compared to May's 114 mm (4.5 in) over just 9 days. Humidity also increases in July, reaching 92%, as opposed to 84% in May. For those interested in specifics about May weather, you can visit Okayama weather in May.
In comparing the weather of July and June, it's evident that July experiences significantly warmer temperatures, with a minimum of 20°C and an average reaching 27°C, compared to June's cooler minimum of 12°C and an average of 23°C. Additionally, July sees higher maximum temperatures, peaking at 37°C, while June's maximum is a more moderate 33°C. Precipitation also rises in July, with 291 mm over 17 days, compared to 153 mm over 12 days in June, resulting in a more humid atmosphere in July at 92% compared to June's 86%. For a detailed overview of June's climate, you can visit Okayama weather in June.
In July, the weather can be characterized by a minimum temperature of 20°C (68°F) and an average temperature of 27°C (81°F), reaching a maximum of 37°C (99°F). This month sees significant precipitation, with 291 mm (11.5 in) spread over 17 days, contributing to a high humidity level of 92%.
In contrast, August presents slightly milder temperatures with a minimum of 18°C (65°F), an average of 29°C (85°F), and a maximum that remains the same at 37°C (99°F). Precipitation decreases to 171 mm (6.7 in) over just 11 days, but humidity remains consistent at 92%.
For more details about the weather during this month, visit Okayama weather in August.
In July, the weather is characterized by high humidity levels at 92% and temperatures that range from a minimum of 20°C (68°F) to a scorching maximum of 37°C (99°F), making it the warmest month of the year. Precipitation is also significant, with 291 mm (11.5 in) falling over 17 days. In contrast, September experiences a noticeable drop in temperatures, with a minimum of 12°C (54°F) and an average of 25°C (77°F), while still reaching up to 36°C (97°F) on the hottest days. Rainfall decreases to 203 mm (8.0 in) over 12 days, and humidity is slightly lower at 87%. For more details on September weather, visit Okayama weather in September.
In July, the weather is characterized by its high temperatures, with averages around 27°C (81°F) and maximums soaring up to 37°C (99°F). Humidity is notably high at 92%, and the month experiences considerable rainfall, totaling 291 mm (11.5 in) over 17 days. In contrast, October sees a significant drop in temperature, where average highs are around 19°C (67°F) and maximums reach only up to 32°C (90°F). Although it remains warm, the humidity decreases to 85%, and precipitation is less frequent, at 169 mm (6.7 in) over just 11 days. For more detailed insights, check out Okayama weather in October.
In July, the weather is characterized by high temperatures, with a minimum of 20°C (68°F) and average highs reaching up to 37°C (99°F), creating a hot and humid atmosphere with an average humidity of 92%. This month also experiences significant rainfall, totaling 291 mm (11.5 inches) over approximately 17 days, making it one of the wetter months of the year.
In contrast, November presents a much cooler climate, featuring a minimum temperature dropping to 0°C (32°F) and an average high of 25°C (77°F). The precipitation is notably reduced to just 30 mm (1.2 inches) spread across only 3 days, and humidity levels drop slightly to 84%. Overall, November offers a more temperate and drier experience compared to the sweltering heat and humidity of July. For more information, check out Okayama weather in November.
The weather in July is characterized by warm temperatures, with a minimum of 20°C (68°F) and an average high reaching 37°C (99°F), making it one of the hottest months of the year. In contrast, December brings cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and a much milder average of 8°C (46°F). While July experiences significant rainfall, totaling 291 mm (11.5 in) over 17 days and high humidity at 92%, December sees a marked decrease in precipitation to just 45 mm (1.8 in) over only 6 days and a relatively lower humidity of 82%. To learn more about the specific weather patterns in December, you can visit Okayama weather in December.
In July, Okayama experiences a noticeable shift in weather patterns compared to other months. The heat intensifies, with maximum temperatures soaring to 37°C (99°F), making it the hottest time of the year. Alongside this heat, the humidity remains high at approximately 92%, adding to the overall discomfort. Precipitation also plays a significant role, as July sees an increase in rainy days, totaling 17, and accumulates around 291 mm (11.5 in) of rain. This combination of heat and humidity not only creates a sultry atmosphere but also marks the transition into the region's monsoon season. For a more detailed understanding of the weather throughout the year, visit Okayama Climate.