October Weather in Sihanoukville, Cambodia

Last updated: August 21, 2025

October in Sihanoukville, Cambodia presents a warm and humid climate, with temperatures ranging from a mild 25°C (77°F) to a comfortable maximum of 31°C (88°F), averaging around 27°C (81°F). As the wet season continues, residents and visitors can expect significant rainfall, with total precipitation reaching 430 mm (16.9 in) over approximately 28 days. The air is notably humid, averaging 84%, creating a tropical atmosphere that is characteristic of this coastal region. As such, October is an ideal time for those who embrace the lush landscapes and vibrant culture that flourish under these rainy skies.

October Temperature in Sihanoukville

In October, Sihanoukville, Cambodia, experiences a delightful warm climate, with temperatures ranging from a minimum of 25°C (77°F) to a comfortable maximum of 31°C (88°F). The average temperature hovers around 27°C (81°F), similar to preceding months, ensuring a pleasant atmosphere for beachgoers and adventurers alike. As the year transitions towards its end, October shows the last traces of peak warmth before beginning to cool slightly in November and December. This consistency in temperature, combined with the slight drop in humidity, creates an ideal time for visitors to explore the region's stunning coastlines and vibrant culture.

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

The chart illustrates October 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, October 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.

October Precipitation in Sihanoukville

In October, Sihanoukville experiences a significant amount of rainfall, with 430 mm (16.9 in) accumulated over 28 days. This marks a slight decrease from September's high of 521 mm (20.5 in), but the month still falls within the peak rainy season. The steady precipitation showcases a trend that begins in May and culminates in the heavier months of July and August, gradually tapering off as the year progresses. While October boasts fewer rainy days compared to the preceding months, it still contributes heavily to the overall annual total, maintaining Sihanoukville's lush, tropical landscape. The transition into November signals a shift toward a drier climate, with precipitation expected to drop significantly in the ensuing months.

October Precipitation Trends in Sihanoukville

The chart displays monthly precipitation patterns in Sihanoukville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sihanoukville, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec50365911632442356860652143015164
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Sihanoukville

October in Sihanoukville, Cambodia, experiences a notable shift in humidity as the month wraps up the rainy season. With an average humidity of 84%, October maintains high moisture levels, although slightly lower than August and September, which peak at 88% and 87% respectively. This gradual decline signals the onset of the dry season, transitioning from the intense humidity seen in the summer months. Prior to October, humidity levels steadily increase from 78% in May to 86% in July, peaking in the late summer. As the year progresses, from November onward, humidity stabilizes back at 84% before dropping to 76% in December, illustrating Sihanoukville's humid subtropical climate where high humidity remains a defining characteristic.

October Average Humidity in Sihanoukville

This chart illustrates the average monthly humidity levels in Sihanoukville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Sihanoukville

In Sihanoukville, Cambodia, the UV Index remains consistently high throughout the year, with October reflecting a UV Index of 13, categorized as extreme. This is a slight decrease from the peak of 15 observed in both March and April, yet still indicates that sun exposure is intense and caution is essential. For sun-seekers, the burn time remains a swift 10 minutes, underscoring the importance of protective measures against harmful rays. As the rainy season approaches, it’s a reminder that while the sun may slightly relent, vigilance is still paramount. To stay informed and plan your outdoor activities wisely, check the details at Sihanoukville UV Index.

Maximum UV Index Levels in Sihanoukville for October

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

October Sunshine in Sihanoukville

As October unfolds in Sihanoukville, Cambodia, locals and visitors alike bask in a pleasant average of 265 sunshine hours, marking a gentle transition from the sunshine-rich months of peak summer. Following the vibrant summer months of March and April, which boasted over 300 hours, October presents a consistent yet slightly diminished glow compared to the lively summer season. The weather in October reflects a notable stability, embracing sun-kissed days that invite exploration of the stunning beaches and rich cultural landscape. On the horizon of the year's end, the sunshine begins to ramp up again, with November bringing a robust 293 hours, suggesting that the sun's warm embrace is not ready to bid adieu quite yet. Overall, October signifies a harmonious balance of warmth and light, bridging the transition into the cooler months ahead.

Monthly Sunshine Duration in Sihanoukville: October Highlighted

The October sunshine duration represents the total number of hours Sihanoukville experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec259h301h333h315h309h274h286h284h260h265h293h310h
Data source: Sihanoukville October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sihanoukville During October

As October rolls into Sihanoukville, Cambodia, residents and visitors can expect a noteworthy dip in sunny days, with the chance of sunshine plummeting to just 11%. This trend starkly contrasts with the brighter months of January through March, where the likelihood of basking in the sun is much higher, reaching up to 53% in February. As the rainy season progresses, the consistently low percentages from June to September foreshadow the more overcast days typical of October. While the allure of sunny weather wanes during this time, it does set the stage for the regional charm of Sihanoukville, reflecting a transitional phase as the region gradually shifts towards the drier months ahead.

Percentage of Sunny Days in October in Sihanoukville

The chart illustrates the percentage of sunny days in Sihanoukville throughout the year, with October 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 October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sihanoukville in October

In Sihanoukville, Cambodia, October marks a subtle transition in daylight duration, offering 11 hours of light as the month unfolds. This reduction mirrors the earlier months of January and February, which also enjoy 11 hours of daylight. However, throughout the heart of the year—from March to September—the sun lingers longer, providing a full 12 hours of daylight that fuels the vibrant energy of this coastal city. As October ushers in shorter days, it sets the stage for the cooler months ahead, a gentle reminder of nature's cyclical rhythm. Whether basking in the sun or soaking in the rich cultural tapestry, the slight shift in daylight invites both locals and travelers to embrace the serene beauty of the season.

Average Daylight Hours in Sihanoukville for October

The chart illustrates the variation in daylight duration in Sihanoukville throughout the year, with October 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.

October Winds in Sihanoukville

As October arrives in Sihanoukville, Cambodia, the coastal breeze begins to shift from the brisk winds of summer. The average wind speed during this month settles at 4.0 m/s (9 mph), a slight decrease from the peak winds of 5.4 m/s (12 mph) recorded in July. This gentle wind offers a pleasant respite, making it a perfect time for leisurely beach strolls and outdoor activities. As the year progresses, Sihanoukville experiences a gradual decline in wind speed from the summer months, with October being a transitional phase toward the calmer breezes of November and December. This blend of comfortable temperatures and moderate winds creates an ideal atmosphere for both relaxation and adventure along the stunning coastline.

Average October Wind Speed in Sihanoukville

The chart displays monthly wind speed patterns in Sihanoukville, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.83.13.13.24.85.44.64.64.0 m/s3.43.4
Data source: Sihanoukville October wind data, generated using information from the Copernicus Climate Change Service.

How October 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 October’s weather to other months in Sihanoukville, focusing on differences in temperature, rainfall, humidity, and UV levels.

In October, the weather is typically warmer and more humid, with minimum temperatures around 25°C (77°F) and an average of 27°C (81°F). This month also sees significant rainfall, totaling 430 mm (16.9 in) over 28 days, resulting in a high humidity of 84%. In contrast, January experiences slightly cooler temperatures, with minimums at 23°C (74°F) and similar average highs of 31°C (87°F). Moreover, January is marked by much less rainfall, averaging only 50 mm (2.0 in) over just 10 days, contributing to a lower humidity level of 62%. For a detailed look at January weather, you can check out Sihanoukville weather in January.

In comparing the weather of October and February, we see that both months share similar temperature ranges, with minimums around 25°C (77°F), averages of 27°C (81°F), and maximums peaking at 31°C (88°F). However, October is notably wetter, experiencing a significant 430 mm (16.9 in) of rain over 28 days, while February enjoys a much drier climate with only 36 mm (1.4 in) of precipitation over just 10 days. Additionally, the humidity in October is higher at 84%, compared to February's more comfortable level of 61%. For more detailed insights, you can check Sihanoukville weather in February.

In comparing the weather of October and March, both months feature similar temperature ranges, with minimums around 25°C (77°F) and maximums reaching up to 31°C (88°F) in October and 31°C (89°F) in March. However, October is marked by significantly higher precipitation, averaging 430 mm (16.9 in) over 28 days, while March experiences much lighter rainfall, totaling only 59 mm (2.3 in) across 17 days. Additionally, October has a notably higher humidity level of 84%, compared to March’s 61%, making October feel much more saturated and sticky than the comparatively drier conditions of March. For more detailed information about the climate during March, check out Sihanoukville weather in March.

In comparing the weather of October and April, we see notable differences in temperature and precipitation patterns. October tends to be slightly cooler, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), while April offers slightly warmer weather with temperatures ranging from 24°C (76°F) to 32°C (90°F). However, October is considerably wetter, receiving approximately 430 mm (16.9 in) of rainfall over 28 days, compared to April's 116 mm (4.5 in) over 21 days. Additionally, October has a higher humidity level at 84%, whereas April's humidity averages around 67%. For more detailed information on April's weather in Sihanoukville, check out Sihanoukville weather in April.

Both October and May exhibit warm temperatures, with minimums hovering around 25°C to 26°C, average temperatures of 27°C to 28°C, and a maximum of 31°C. However, October tends to be wetter, receiving a significant 430 mm of precipitation over 28 days compared to May's 324 mm over 29 days. Additionally, October has a higher humidity level at 84%, while May's humidity is more moderate at 78%. For more detailed information, you can check Sihanoukville weather in May.

When comparing the weather in October to that in June, we find that both months experience relatively similar conditions in terms of temperature and humidity. October has a minimum temperature of 25°C (77°F) and an average of 27°C (81°F), whereas June also starts at a minimum of 25°C (78°F) but reaches an average of 28°C (83°F). The maximum temperature in October is slightly higher at 31°C (88°F), compared to June's maximum of 30°C (87°F). Precipitation levels are comparable, with October receiving 430 mm (16.9 in) over 28 days, and June getting 423 mm (16.6 in) across 27 days. Interestingly, both months share a notable humidity level of 84%, contributing to the tropical feel of the region. For more detailed information about June weather, you can check Sihanoukville weather in June.

In comparing the weather of October and July, both months exhibit warm temperatures with minimums around 25°C (77°F), and averages sitting near 27°C (81°F). However, July sees slightly lower maximum temperatures at 30°C (86°F), compared to October's highest temperature of 31°C (88°F). Precipitation is notably heavier in July, with 568 mm (22.4 in) spread over 29 days, while October experiences less rainfall at 430 mm (16.9 in) across 28 days. Humidity levels are quite similar, with July at 86% and October slightly lower at 84%. For more detailed insights on July weather, you can refer to Sihanoukville weather in July.

In October, the weather remains warm with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F), similar to August, which has a minimum of 25°C (78°F) and a maximum of 30°C (86°F). However, October experiences significantly less precipitation, totaling 430 mm (16.9 in) compared to August's 606 mm (23.9 in) over the same number of days, leading to a drier atmosphere. The humidity levels in October are slightly lower at 84%, while August sees higher humidity at 88%, which may contribute to a more comfortable experience in October. For more insights into the August weather conditions, you can visit Sihanoukville weather in August.

In comparing the weather between September and October, both months experience similar average temperatures, with minimums around 25°C (77°F) and maximums just slightly rising to 31°C (88°F) in October, compared to 30°C (86°F) in September. However, October tends to see less precipitation, totaling 430 mm (16.9 in) over 28 days, compared to September's higher rainfall of 521 mm (20.5 in) spread across 27 days. Additionally, humidity remains high in both months, with October at 84% and September slightly higher at 87%. For a more detailed view of September's weather, you can check out Sihanoukville weather in September.

In October, the weather remains warm with minimum temperatures around 25°C (77°F) and average highs reaching 31°C (88°F). However, this month also sees significant rainfall, accumulating 430 mm (16.9 in) over 28 days, creating a highly humid atmosphere with 84% humidity. In contrast, November experiences slightly warmer average temperatures, peaking at 31°C (89°F), but with much less rainfall totaling only 151 mm (6.0 in) spread over 18 days. The humidity remains consistent at 84%, providing a similar muggy experience, but the reduction in precipitation makes November a relatively drier month. For more detailed insights, you can check the Sihanoukville weather in November.

In October, the weather is typically hotter and much wetter, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F). The month experiences significant rainfall, accumulating to 430 mm (16.9 in) over 28 days, contributing to a high humidity level of 84%. In contrast, December sees slightly cooler temperatures, with a minimum of 23°C (73°F) and similar maximums up to 31°C (89°F), but the precipitation drops sharply to 64 mm (2.5 in) over just 11 days, resulting in a more comfortable humidity level of 76%. For more specific details on December weather, you can check Sihanoukville weather in December.

Compare Sihanoukville's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Sihanoukville

As October rolls into Sihanoukville, the weather brings a notable shift compared to the rest of the year. With average temperatures hovering around a warm 27°C (81°F), this month is characterized by its high humidity levels reaching 84% and frequent rain, resulting in just about every day experiencing precipitation. This drastic increase in rainfall—averaging 430 mm—is a stark contrast to the drier months, making October one of the wettest times to visit. However, those ready to embrace the tropical ambiance will find moments of beauty in the downpours amidst lush landscapes. For more insight into the weather patterns throughout the year, visit Sihanoukville Climate.