August Weather in Chitose, Japan

Last updated: August 21, 2025

In Chitose, Japan, August brings a warm and humid atmosphere, with temperatures peaking at a maximum of 29°C (84°F) and averaging around 21°C (70°F). Nightfall cools the air, with minimum temperatures dipping to 13°C (55°F). This summer month is characterized by significant rainfall, accumulating to 168 mm (6.6 in) over 13 days, leading to a humidity level of 95% that envelops the region in a lush, verdant landscape. Whether you're exploring scenic parks or savoring local cuisine, the weather in August presents both challenges and delights for residents and visitors alike.

August Temperature in Chitose

In Chitose, Japan, August welcomes the warmth of summer, with temperatures reaching a pleasant average of 21°C (70°F). This month sees a rise in both the minimum and maximum temperatures, starting at a mild 13°C (55°F) and soaring up to 29°C (84°F), reflecting a clear departure from the chilly winter months. Compared to the cooler earlier months, such as January’s bone-chilling average of -3°C (26°F), August serves as a striking contrast, inviting both locals and tourists to enjoy outdoor activities in the lush landscapes. The gentle warmth of summer sets the stage for vibrant festivals and excursions, showcasing the region's beauty under sunny skies. As the month transitions into September, a gradual cooling begins, but August remains a highlight on Chitose's climate calendar.

August Weather in Chitose: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Chitose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chitose, August 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).
JanFebMarAprMayJunJulAugSepOctNovDec262736435259677065554432
Data source: Temperature data for Chitose 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.

August Precipitation in Chitose

In August, Chitose, Japan, experiences a significant surge in precipitation, with an average of 168 mm (6.6 in) falling over 13 days. This marks the highest monthly rainfall of the year, showcasing a notable contrast to the drier summer months preceding it. The increase in precipitation, particularly in August, can be attributed to the region's transition towards the autumn season, which often brings intense weather systems. July, on the other hand, while also rainy, sees only 95 mm (3.7 in) of rain, highlighting August as a peak period for downpours. This trend underscores the importance of August as a critical month for water resources in the area, as the higher rainfall contributes significantly to the region's yearly totals and supports the local ecosystem.

August Precipitation Trends in Chitose

The chart displays monthly precipitation patterns in Chitose, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Chitose, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3947768083106951681031248860
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Chitose

Throughout the year, Chitose, Japan experiences notable fluctuations in humidity, with August standing out as the peak month at a striking 95%. As summer progresses, humidity levels rise dramatically, reaching their zenith in August after consistently increasing from a relatively mild 84% in January. This trend highlights the impact of Japan's seasonal climate, where late spring and summer bring a significant surge in moisture, particularly evident in the transition from July's 93%. Following this humid peak, September witnesses a slight decline, yet the overall trend indicates a warm, damp atmosphere that characterizes Chitose's summer, making August a quintessential representation of the region's climate.

August Average Humidity in Chitose

This chart illustrates the average monthly humidity levels in Chitose, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Chitose is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%81%81%86%87%93%95%88%83%79%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Chitose

In August, Chitose, Japan, experiences peak sun exposure with a UV Index of 10, categorized as very high. This level of intensity means that individuals should take extra precautions, with a burn time of just 15 minutes before sun protection becomes essential. The trend throughout the summer months shows a consistent rise in UV levels, peaking in both July and August, where the sun's rays can be particularly intense. As the seasons transition to September, the index drops slightly to 8, yet remains in the very high category, emphasizing the need for vigilance even as summer wanes. For more information, be sure to check the detailed Chitose UV Index.

Maximum UV Index Levels in Chitose for August

The chart shows the monthly maximum UV Index (UVI) for Chitose in August, 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 August, the maximum UV index in Chitose typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578109108532
Data source: Chitose August 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.

August Sunshine in Chitose

In Chitose, Japan, August often shines brightly, bringing in 287 hours of sunshine—a slight dip from the sun-soaked days of July, which boasts an impressive 311 hours. This month sits comfortably within a summer peak, following the gradual ascendancy of sunlight that begins in January with just 146 hours. As the year progresses, each month sees an increase in sunny days, culminating in the vibrant energy of late spring and summer. Notably, August maintains a wonderful balance, as the warmth of summer lingers before the arrival of autumn, signaling a transition that still holds onto the last remnants of sunny bliss before days begin to shorten again. As the sun sets on summer's pinnacle, Chitose's August offers a beautiful farewell, marked by an abundance of light that brightens the landscape and spirits alike.

Monthly Sunshine Duration in Chitose: August Highlighted

The August sunshine duration represents the total number of hours Chitose experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec146h197h251h286h305h302h311h287h266h232h182h171h
Data source: Chitose August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chitose During August

In Chitose, Japan, the likelihood of sunny weather takes an interesting turn throughout the year, with August recording a 28% chance of sunshine. This is notably lower than several summer months, as July holds a 34% chance and June sees a higher 44% probability of sunny days. The summer sun seems to wane into late August, leading into the autumn months, which then pick up slightly with September's 40% chance. Overall, while Chitose enjoys a fair amount of sunshine in its warmer months, August tends to be somewhat more overcast compared to its predecessors, indicating a trend towards cloudier skies as summer draws to a close.

Percentage of Sunny Days in August in Chitose

The chart illustrates the percentage of sunny days in Chitose throughout the year, with August 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 Chitose experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%36%40%41%26%44%34%28%40%38%45%46%
Data source: Chitose August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chitose in August

In August, Chitose, Japan enjoys approximately 13 hours of daylight, marking a gentle decline from the sun-soaked peak of summer in July, which boasts 14 hours. This transition reflects the gradual shift towards autumn, as daylight begins to taper off after reaching its summer zenith in June. Interestingly, August retains a generous amount of light compared to the earlier months, beginning with just 9 hours in January and steadily increasing through the spring. As the days grow shorter in September—down to 12 hours—it becomes clear that nature is preparing for the changing seasons, reminding us of the rhythmic patterns that define life in this beautiful region of Japan.

Average Daylight Hours in Chitose for August

The chart illustrates the variation in daylight duration in Chitose throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 56m13h 23m14h 38m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m
Data source: Chitose daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Chitose

In Chitose, Japan, the August winds provide a gentle breeze, averaging 3.4 m/s (8 mph). While slightly stronger than the calmer summer months of June and July, this breeze signals a subtle shift in the seasons. The consistent winds of early am spring at 4.4 m/s in March and April give way to a more moderate flow as summer peaks, reflecting the region's unique climate patterns. As September approaches, wind speeds rise again, hinting at the transition to autumn, with strong gusts returning in November. This dynamic interplay of wind speeds captures the essence of Chitose's weather, offering both tranquility and anticipation throughout the year.

Average August Wind Speed in Chitose

The chart displays monthly wind speed patterns in Chitose, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.34.44.43.83.13.23.4 m/s3.93.74.44.2
Data source: Chitose August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Chitose Compares to Other Months

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

August and January present starkly contrasting weather conditions. In August, temperatures range from a mild 13°C (55°F) at night to a warm 29°C (84°F) during the day, coupled with high humidity at 95% and significant rainfall totaling 168 mm (6.6 in) over 13 days. In contrast, January brings frigid temperatures, with lows plunging to -15°C (6°F) and highs only reaching 8°C (47°F). The precipitation is much lighter in January, amounting to just 39 mm (1.5 in) across 8 days, and the humidity, while lower at 84%, still contributes to the chilly atmosphere. For a closer look at what to expect during this winter month, check out Chitose weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures range from a minimum of 13°C (55°F) to a maximum of 29°C (84°F), with an average of 21°C (70°F). This month experiences significant rainfall, with 168 mm (6.6 in) over approximately 13 days, accompanied by a high humidity level of 95%. Conversely, February is much colder, with temperatures dipping as low as -15°C (6°F) and averaging around -3°C (27°F), peaking at just 6°C (44°F). Precipitation is lower in February, amounting to 47 mm (1.8 in) across 8 days, with a humidity level of 83%. For more detailed insights, check out Chitose weather in February.

August and March present strikingly different weather conditions. In August, temperatures range from a mild 13°C (55°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 21°C (70°F). The month is characterized by high humidity at 95% and significant rainfall, totaling 168 mm (6.6 in) over 13 days. In contrast, March experiences much colder temperatures, with highs of only 13°C (55°F) and lows dropping to -11°C (13°F), averaging just 2°C (36°F). Precipitation is also lower in March, amounting to 76 mm (3.0 in) over 9 days, accompanied by a humidity level of 81%. For more detailed insights, you can explore the Chitose weather in March.

When comparing the weather in August and April, significant differences emerge in both temperature and precipitation. August boasts warmer temperatures, with a minimum of 13°C (55°F) and an average of 21°C (70°F), peaking at a high of 29°C (84°F). In contrast, April experiences much cooler conditions, featuring a minimum of -2°C (29°F), an average of 6°C (44°F), and a maximum of 17°C (62°F). Furthermore, August is marked by higher humidity at 95% and significantly more rainfall, totaling 168 mm (6.6 in) over 13 days, compared to April's 80 mm (3.1 in) over 11 days. For more detailed information on April weather, you can visit Chitose weather in April.

The weather in August is significantly warmer and more humid compared to May. In August, temperatures range from a minimum of 13°C (55°F) to a maximum of 29°C (84°F), with an average temperature of 21°C (70°F). In contrast, May experiences cooler temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 22°C (73°F), with an average of just 11°C (52°F). Additionally, August sees a higher level of precipitation, with 168 mm (6.6 in) spread over 13 days, while May has only 83 mm (3.3 in) over 10 days. The humidity level in August is also notably higher at 95%, compared to May's 86%. For more specifics on May weather, you can check Chitose weather in May.

In comparing the weather of August and June, August typically experiences warmer temperatures, with a range from a cool 13°C (55°F) to a high of 29°C (84°F), while June offers milder conditions, with temperatures ranging from 7°C (45°F) to 24°C (75°F). August also brings more precipitation, accumulating about 168 mm (6.6 in) over 13 days and higher humidity levels at 95%, compared to June's 106 mm (4.2 in) over 10 days and 87% humidity. Thus, while both months see significant precipitation, August is noticeably warmer and more humid than June. For more specific details, you can visit Chitose weather in June.

When comparing the weather in July and August, we observe a notable increase in both temperature and humidity during August. The average temperature rises from 19°C (67°F) in July to 21°C (70°F) in August, with August also experiencing a slightly higher maximum temperature of 29°C (84°F) compared to July's 30°C (86°F). However, August is characterized by significantly more precipitation, totaling 168 mm (6.6 in) over 13 days, compared to July's 95 mm (3.7 in) under the same number of rainy days. Additionally, the humidity level slightly increases from 93% in July to 95% in August, leading to a more humid atmosphere. For more details on July weather, you can check Chitose weather in July.

In August, the weather tends to be warmer with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 29°C (84°F), accompanied by high humidity levels of 95%. This month experiences significant rainfall, totaling 168 mm (6.6 in) over approximately 13 days. In contrast, September sees a cooling trend, with temperatures dropping to a minimum of 8°C (47°F) and an average of 18°C (65°F), peaking at 27°C (80°F). Additionally, precipitation decreases to 103 mm (4.0 in) over the same number of days, and humidity settles at a lower 88%. For more details on the weather specifics, check out Chitose weather in September.

August weather is characterized by warmer temperatures, with a minimum of 13°C (55°F) and an average of 21°C (70°F), reaching a maximum of 29°C (84°F). The month sees significant precipitation, totaling 168 mm (6.6 in) across about 13 days, and high humidity levels at 95%. In contrast, October experiences much cooler conditions, with temperatures ranging from a minimum of 3°C (37°F) to an average of 13°C (56°F), peaking at 24°C (75°F). The precipitation decreases to 124 mm (4.9 in) over approximately 11 days, and humidity drops to a more comfortable 83%. For more detailed insights into October's climate, you can check Chitose weather in October.

August and November present contrasting weather conditions. In August, temperatures are warmer, ranging from a minimum of 13°C (55°F) to a maximum of 29°C (84°F), with an average of 21°C (70°F). This month also experiences high humidity at 95% and considerable precipitation of 168 mm (6.6 in) over 13 days, making it feel quite muggy. In contrast, November is much cooler, with temperatures dipping to a minimum of -5°C (23°F) and only reaching a maximum of 17°C (63°F), averaging around 7°C (44°F). November sees less precipitation at 88 mm (3.5 in) over 10 days and lower humidity at 79%. For a more detailed look at the weather in November, check out Chitose weather in November.

August and December present a stark contrast in weather. In August, temperatures range from a mild 13°C (55°F) to a warm max of 29°C (84°F), with an average of 21°C (70°F) and high humidity at 95%. This month is also marked by significant rainfall, totaling 168 mm (6.6 in) over 13 days. Conversely, December brings much colder conditions, with temperatures plummeting to a minimum of -12°C (11°F) and only reaching a maximum of 14°C (57°F), resulting in an average of 0°C (32°F). The precipitation is significantly lower at 60 mm (2.4 in) across the same number of days, and humidity drops to 80%. For more details on December weather, check out Chitose weather in December.

Compare Chitose's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Chitose

As August arrives in Chitose, the weather transforms into a warm summer spectacle, characterized by higher temperatures and notable humidity. Unlike the cooler months, August brings an average temperature that can soar, creating a vibrant atmosphere that contrasts with the crispness of early spring and late autumn. While the warmth invites outdoor activities, the increased rainfall, with precipitation occurring on nearly half the days of the month, adds an element of unpredictability to the summer experience. This combination of heat and humidity marks August as a unique chapter in Chitose's climate story, offering a lively yet unpredictable backdrop for visitors. For a more in-depth look at the weather patterns, visit Chitose Climate.