August Weather in Sihanoukville, Cambodia

Last updated: August 21, 2025

August in Sihanoukville, Cambodia, presents a tropical experience characterized by warm temperatures and high humidity. With maximum temperatures reaching up to 30°C (86°F) and an average around 27°C (81°F), visitors can expect a consistently pleasant climate. However, the month is marked by significant rainfall, totaling 606 mm (23.9 in) over 28 days, making it one of the wetter times of the year. The air is thick with 88% humidity, creating a lush environment that accentuates the region's natural beauty. Ideal for those seeking a vibrant atmosphere, August offers a unique blend of sun and rain, perfect for exploring the charm of Sihanoukville.

August Temperature in Sihanoukville

In August, Sihanoukville experiences a warm and consistent tropical climate, with temperatures reflecting a slight dip from the peak summer months. The minimum temperature hovers at a comfortable 25°C (78°F), while the average remains steady at 27°C (81°F). Visitors can expect a maximum of around 30°C (86°F), maintaining the region's reputation for pleasant beach weather. This month marks a transition towards the rainier season; however, the slight fluctuations in temperature demonstrate that Sihanoukville remains a warm haven, inviting both adventure seekers and relaxation enthusiasts alike to bask in its charm. As the month progresses, the weather continues to offer a delightful blend of warmth, making it a fantastic time to explore this coastal paradise.

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

The chart illustrates August temperature patterns in Sihanoukville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sihanoukville, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818182838382818181818281
Data source: Temperature data for Sihanoukville 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 Sihanoukville

In August, Sihanoukville experiences a significant rise in precipitation, with 606 mm (23.9 in) of rain, making it one of the wettest months of the year. This peak follows a gradual increase from July's already substantial total of 568 mm (22.4 in), indicating a consistent trend of escalating rainfall during the monsoon season. Notably, August sees rain on approximately 28 days, just slightly less than July, which underscores the intensity and frequency of the downpours that characterize this time of year. As the skies open up, the lush landscapes flourish, but travelers and locals alike must prepare for the wet conditions that dominate the month, reflecting the relentless nature of the tropical climate in this coastal paradise.

August Precipitation Trends in Sihanoukville

The chart displays monthly precipitation patterns in Sihanoukville, 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 Sihanoukville, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec50365911632442356860652143015164
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Sihanoukville

In Sihanoukville, Cambodia, August marks the peak of humidity, reaching a notable 88%. This trend of increasing humidity begins in the warmer months, starting from 61% in January and gradually rising as the year progresses. Notably, April sees a moderate jump to 67%, but it’s in the subsequent months of May through July that humidity levels soar, culminating in August’s high. Following August, humidity begins to slightly decrease yet remains relatively high at 87% in September, demonstrating the region's tropical climate and its consistent moisture levels during the summer months. This saturation not only influences the local weather but also shapes the vibrant ecosystem and lifestyle of this coastal paradise.

August Average Humidity in Sihanoukville

This chart illustrates the average monthly humidity levels in Sihanoukville, 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 Sihanoukville is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%61%61%67%78%84%86%88%87%85%84%76%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sihanoukville

In August, Sihanoukville experiences a UV Index of 14, maintaining its classification as extreme and a burn time of just 10 minutes. This marks a continuation of the trend observed throughout the summer months, with consistently high UV levels from January to August, peaking at 15 in both March and April. As the year progresses into September, the UV Index remains steady at 14, indicating that visitors should remain vigilant about sun protection. Given these conditions, it’s crucial to stay informed about the UV Index to safely enjoy the sun-soaked beauty of Sihanoukville. For more detailed information, visit Sihanoukville UV Index.

Maximum UV Index Levels in Sihanoukville for August

The chart shows the monthly maximum UV Index (UVI) for Sihanoukville 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 Sihanoukville typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111415151413141414131111
Data source: Sihanoukville 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 Sihanoukville

In Sihanoukville, Cambodia, August brings a delightful balance of sunshine, with an impressive 284 hours of bright daylight. This month stands out amidst a summer peak where March sees the most sun at 333 hours. As the year progresses, we notice a gradual decline in sunlight hours from the spring's peak, down to a refreshing late-summer embrace. August's sunny disposition aligns closely with the earlier summer months of May and June, which enjoyed 309 and 274 hours, respectively. As we transition towards the fall, sunlight hours dip further, hinting at a cozy yet vibrant tropical ambiance perfect for exploring the coastal paradise.

Monthly Sunshine Duration in Sihanoukville: August Highlighted

The August sunshine duration represents the total number of hours Sihanoukville 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.
JanFebMarAprMayJunJulAugSepOctNovDec259h301h333h315h309h274h286h284h260h265h293h310h
Data source: Sihanoukville August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sihanoukville During August

In Sihanoukville, Cambodia, August presents a significant departure from the sun-filled atmosphere typically enjoyed earlier in the year. With only an 8% chance of sunny weather, this month marks one of the lowest probabilities for clear skies, following a trend of diminishing sunlight from July, which also struggles with just a 14% chance. As the monsoon season approaches, the likelihood of cloud cover and rain increases sharply, making August a time when travelers seeking sun may want to reconsider their plans. In contrast, earlier months such as February and March shine brightly with chances hovering around 53% and 51% respectively, highlighting a seasonal shift that favors sunshine during the dry months. Thus, if you're leaning towards beach days and outdoor adventures, it would be wise to plan your visit outside of this overcast August window.

Percentage of Sunny Days in August in Sihanoukville

The chart illustrates the percentage of sunny days in Sihanoukville 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 Sihanoukville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%53%51%30%22%22%14%8%8%11%18%36%
Data source: Sihanoukville August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sihanoukville in August

In Sihanoukville, Cambodia, August brings a delightful consistency in daylight, with the sun gracing the sky for 12 hours each day. This pattern of ample daylight persists not only in August but also spans the summer months from March to September, inviting both locals and travelers to soak in the vibrant atmosphere. As the year progresses, daylight hours gradually decrease to 11 hours by January, February, October, November, and December, creating a gentle ebb and flow in the rhythm of life. This seasonal shift highlights a remarkable equilibrium of light, making August an ideal time to enjoy the stunning beaches and lush landscapes that Sihanoukville has to offer.

Average Daylight Hours in Sihanoukville for August

The chart illustrates the variation in daylight duration in Sihanoukville throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 33m11h 46m12h 3m12h 21m12h 35m12h 43m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m
Data source: Sihanoukville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Sihanoukville

In August, Sihanoukville experiences a notable shift in wind patterns, with an average wind speed of 4.6 m/s (10 mph), maintaining the elevated breezes that begin in the warmer months. This slight decline from July's peak of 5.4 m/s (12 mph) suggests a transition towards the end of the tropical season, yet still offers a refreshing respite from the heat. The pattern of increasing wind speeds from June through July indicates a lively atmosphere, perfect for those seeking adventure on the water. As August progresses into the calmer September, the winds remain stable, gently caressing the coastline and creating an inviting environment for both relaxation and exploration. Overall, August’s breezy charm perfectly complements Sihanoukville's stunning beaches, making it an ideal time for visitors to bask in the beauty of Cambodia’s coastal wonders.

Average August Wind Speed in Sihanoukville

The chart displays monthly wind speed patterns in Sihanoukville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.83.13.13.24.85.44.6 m/s4.64.03.43.4
Data source: Sihanoukville August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Sihanoukville Compares to Other Months

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

When comparing the weather in August and January, we see notable differences in temperature, precipitation, and humidity. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average temperature of 27°C (81°F). This month is characterized by high humidity at 88% and significant rainfall, totaling 606 mm (23.9 in) across 28 days. In contrast, January features slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (87°F), while maintaining the same average of 27°C (81°F). During this month, precipitation is much lighter, accumulating only 50 mm (2.0 in) over 10 days, and humidity is significantly lower at 62%. For more detailed information on January weather, visit Sihanoukville weather in January.

When comparing the weather in August and February, notable differences emerge. Both months feature similar average temperatures, hovering around 27°C (81°F). However, August experiences significantly higher humidity at 88%, making it feel more oppressive. In contrast, February's humidity level is much lower at 61%, contributing to a more comfortable atmosphere. Precipitation also varies greatly; August receives 606 mm (23.9 in) over 28 days, while February sees only 36 mm (1.4 in) spread across just 10 days. This stark contrast highlights February as a drier and less humid month compared to the wet and humid August. For more detailed insights, check out Sihanoukville weather in February.

In August, the weather tends to be much wetter and more humid compared to March. August records an average temperature of 27°C (81°F) with maximum temperatures reaching 30°C (86°F), accompanied by significant rainfall of 606 mm (23.9 in) over 28 days and high humidity at 88%. In contrast, March experiences slightly warmer temperatures, averaging 28°C (82°F) with highs of 31°C (89°F), but it is considerably drier, receiving only 59 mm (2.3 in) of precipitation over 17 days and lower humidity at 61%. For more detailed information on March weather in Sihanoukville, you can explore Sihanoukville weather in March.

In comparing the weather between August and April, notable differences emerge. August, characterized by relatively high humidity at 88%, has a temperature range that starts at a minimum of 25°C (78°F) and peaks at a maximum of 30°C (86°F), with an average of 27°C (81°F). Contrastingly, April experiences slightly warmer conditions, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (90°F) and an average of 28°C (83°F). While April has lower rainfall totals, at 116 mm (4.5 in) over 21 days, August sees a significant increase in precipitation, totaling 606 mm (23.9 in) across 28 days. For more details on the weather in April, you can visit Sihanoukville weather in April.

In comparing the weather in August and May, both months display warm temperatures, but with some distinctions. August features slightly lower minimum temperatures averaging around 25°C (78°F) and a maximum of 30°C (86°F), while May maintains similar minimum temperatures at 26°C (78°F) and peaks at 31°C (88°F). However, August is significantly wetter, receiving 606 mm (23.9 in) of precipitation over 28 days, compared to May's 324 mm (12.7 in) across 29 days. Additionally, humidity levels are higher in August at 88%, compared to 78% in May. For more information on May's climate specifics, check Sihanoukville weather in May.

In comparing the weather between June and August, both months exhibit warm temperatures with June slightly cooler, averaging 28°C (83°F) compared to August's 27°C (81°F). Interestingly, while both months share the same maximum temperature of 30°C (86°F), August experiences more rainfall than June, with 606 mm (23.9 in) spread over 28 days, compared to June's 423 mm (16.6 in) over 27 days. Humidity levels are also higher in August at 88%, compared to June's 84%. For those interested in more details about June weather, you can check out Sihanoukville weather in June.

In comparing the weather patterns of August and July, we find that both months share similar temperature ranges, with minimum temperatures at 25°C (78°F), average temperatures around 27°C (81°F-82°F), and maximum temperatures peaking at 30°C (86°F). However, August experiences slightly higher precipitation levels, with 606 mm (23.9 in) recorded over 28 days, compared to July's 568 mm (22.4 in) over 29 days. Additionally, August's humidity is marginally higher at 88%, while July has a humidity of 86%. These subtle differences suggest that August is not only wetter but also slightly more humid than July. For more detailed insights, visit Sihanoukville weather in July.

In August, the weather features consistently warm temperatures, with minimums and maximums hovering between 25°C (78°F) and 30°C (86°F) and an average of 27°C (81°F). However, it is significantly wetter during this month, receiving 606 mm (23.9 in) of precipitation over 28 days, which contributes to a high humidity level of 88%.

In contrast, September maintains the same temperature range, but with slightly reduced precipitation, totaling 521 mm (20.5 in) across 27 days, resulting in a marginally lower humidity level of 87%. This gradual transition from August to September reflects a decrease in rainfall, making September a slightly drier period. For a more detailed look at the weather conditions, visit Sihanoukville weather in September.

In August, the weather remains consistently warm with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), accompanied by high humidity levels of 88%. This month also sees significant precipitation, averaging 606 mm (23.9 in) over 28 days. In contrast, October maintains similar temperature patterns, with a minimum of 25°C (77°F) and a slightly higher maximum of 31°C (88°F). However, it experiences noticeably less rainfall, totaling 430 mm (16.9 in) also spread over 28 days, and a slight decrease in humidity to 84%. For more specific insights into the conditions during this month, you can check out Sihanoukville weather in October.

August tends to be a wetter month compared to November, with an average precipitation of 606 mm over 28 days, resulting in a very humid atmosphere with 88% humidity. The temperatures in August range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), creating a consistently warm climate.

In contrast, November experiences slightly higher average temperatures, ranging from a minimum of 25°C (77°F) to a maximum of 31°C (89°F), while significantly reducing precipitation to 151 mm over just 18 days, leading to a dryer and more comfortable environment with 84% humidity. For more details on the weather during this month, check Sihanoukville weather in November.

When comparing the weather in August and December, it’s clear that August is characterized by much higher levels of precipitation and humidity. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average of 27°C (81°F). The month sees significant rainfall, totaling 606 mm (23.9 in) over 28 days, which results in a humid environment with 88% humidity. In contrast, December experiences slightly milder temperatures, with a minimum of 23°C (73°F) and a maximum of 31°C (89°F), maintaining the same average of 27°C (81°F). However, December is much drier, with only 64 mm (2.5 in) of precipitation spread across 11 days and lower humidity at 76%. For more detailed information, check out Sihanoukville weather in December.

Compare Sihanoukville's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Sihanoukville

August in Sihanoukville presents a distinctive blend of warm temperatures and high humidity, making it one of the most tropical months of the year. With an average temperature hovering around 27°C (81°F), combined with an unusually high precipitation of 606 mm, the month is characterized by frequent rains and a muggy atmosphere. This contrasts sharply with the drier months, showcasing Sihanoukville's lush landscape flourished by seasonal showers. While the warmth remains inviting, visitors should prepare for the nearly daily rainfall, which plays a crucial role in the region's vibrant ecosystem. For those interested in understanding Sihanoukville's weather patterns, the detailed insights can be found in the comprehensive guide here: Sihanoukville Climate.