Last updated: August 21, 2025
In May, Sihanoukville, Cambodia, experiences warm and humid conditions, with maximum temperatures reaching up to 31°C (88°F) and averaging around 28°C (83°F). The minimum temperature typically hovers at 26°C (78°F), providing a tropical atmosphere. This month is characterized by significant rainfall, accumulating approximately 324 mm (12.7 inches) over the course of 29 days, leading to a humidity level of 78%. These weather patterns create a lush environment, ideal for those who enjoy the vibrant and tropical climate that May brings to this coastal city.
In May, Sihanoukville, Cambodia, experiences a delightful progression in temperatures, with minimums reaching 26°C (78°F) and averages stabilizing at 28°C (83°F). As the region embraces the height of the dry season, the maximum daily temperatures hover around 31°C (88°F), creating an inviting warmth perfect for beach escapades and outdoor adventures. This trend showcases a slight increase compared to the previous months, particularly April, which hints at the arrival of summer vibes. As the days grow longer and the sun shines more brightly, visitors can anticipate enjoying sunny skies and blissful tropical conditions, setting the stage for unforgettable experiences in this coastal paradise.
May marks a significant shift in Sihanoukville's weather, as the region experiences its most intense rainfall of the year. With an astonishing 324 mm (12.7 in) of precipitation over 29 days, May transforms the landscape, paving the way for the lush greenery characteristic of the rainy season. This sharp increase follows April's 116 mm (4.5 in), highlighting a dramatic transition as the monsoon approaches. As the city prepares for even heftier rainfall in the following months, the steady rise from April to May serves as a clear indicator of the region's tropical climate, where warm, humid days are frequently interrupted by heavy downpours, creating a vibrant atmosphere rich with life.
In May, Sihanoukville experiences a noticeable increase in humidity, reaching 78%. This marks a significant rise from the preceding months, particularly when compared to April's more moderate 67%. The trend is a precursor to the sweltering summer months ahead, as humidity levels continue to climb, peaking in August at 88%. This progressive increase in moisture in the air can create a tropical ambiance, making May a time when the lushness of the region truly flourishes. Visitors may find the warm, humid conditions invigorating, but it's wise to stay hydrated and seek shade during the hottest parts of the day.
In May, Sihanoukville, Cambodia, continues to experience a high UV Index of 14, categorized as extreme, which means that even minimal sun exposure can lead to skin damage in just 10 minutes. This trend of elevated UV levels, persisting consistently from January through April, indicates a prolonged season where sun protection is crucial. With similar values seen in the preceding months, it's essential for both locals and tourists to be vigilant about sun safety. As the dry season unfolds, the UV Index remains fairly stable, showing only slight fluctuations as it eases into summer. For more insights on how to stay safe in the sun, check out the Sihanoukville UV Index.
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As May arrives in Sihanoukville, Cambodia, the region continues to bask in an abundance of sunshine, boasting 309 hours of radiant light. This marks a slight decline from the glorious peak of 333 hours in March, yet it remains a warm embrace compared to the earlier months of the year. January and February showed promising starts with 259 and 301 hours, respectively, while April, just before May, enjoyed a healthy 315 hours of sunshine. Looking forward, June tends to bring a dip to 274 hours, but the overall trend remains positive, showcasing Sihanoukville's delightful coastal climate. Visitors in May can revel in warm beach days and vibrant sunsets, perfectly encapsulating the charm of this seaside paradise.
As May approaches in Sihanoukville, Cambodia, the likelihood of sunny weather takes a notable dip, with a sun chance of just 22%. This decrease follows a trend of fluctuating sunshine, peaking in February at 53%, and then gradually dwindling as the region transitions into the sweltering summer months. Notably, April shows a comparatively brighter forecast at 30%, but the onset of May heralds a significant reduction in sunny days. This pattern continues into June and July, where the chances of sun are similarly low, dropping to 22% and 14%, respectively. By understanding these trends, visitors can better plan their activities and embrace the unique charm of Sihanoukville, even during overcast days.
In Sihanoukville, Cambodia, the daylight duration showcases a captivating rhythm throughout the year. Beginning in January and February with a consistent 11 hours of daylight, the sun gradually shines longer as spring approaches. By March and April, daylight increases to 12 hours, and this exuberant brightness continues into May, marking the peak of the dry season. The pattern holds steady through the summer months, with June to September also boasting 12 hours of sunlight, fostering a vibrant atmosphere for beachgoers and adventurers alike. As October draws near, daylight returns to 11 hours, ushering in the cooler months of late fall and winter. This rhythmic cycle not only defines Sihanoukville's seasonal charm but also enhances its appeal as a year-round destination.
May ushers in a gentle increase in wind speeds in Sihanoukville, Cambodia, with an average of 3.2 m/s (or 7 mph), slightly edging up from the previous months. This subtle rise signals the approach of the peak wind season, as the summer months draw nearer. Following May, the winds pick up significantly in June, reaching 4.8 m/s (11 mph) and continuing to strengthen throughout July, highlighting a noticeable transition from the calmer early months of the year. The steady progression of wind speeds is not just a welcome presence for kite surfers and sailors, but it also paints a vibrant picture of Sihanoukville's evolving weather pattern as it shifts toward the more dynamic summer season.
Weather in Sihanoukville varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sihanoukville, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, May presents a significantly warmer and wetter climate. With average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 31°C (88°F), it features higher humidity at 78% and experiences frequent rainfall, totaling 324 mm (12.7 in) over 29 days. In contrast, January's temperatures are slightly lower, with an average ranging from 23°C (74°F) to 31°C (87°F), accompanied by much less precipitation of only 50 mm (2.0 in) across 10 days and a lower humidity level of 62%. For more detailed information about January weather, you can check Sihanoukville weather in January.
In comparing the weather of May and February, it is evident that May is significantly warmer and wetter. While both months experience similar maximum temperatures of 31°C (88°F), May has a higher minimum temperature of 26°C (78°F) compared to February's 25°C (76°F). Additionally, May sees an average temperature of 28°C (83°F) and a much higher precipitation level of 324 mm (12.7 in) spread over 29 days, resulting in a humid environment with 78% humidity. In contrast, February experiences a much drier climate with only 36 mm (1.4 in) of precipitation over 10 days and lower humidity at 61%. For a detailed look at the weather during February, you can visit Sihanoukville weather in February.
In comparing the weather between March and May, we see notable differences in precipitation and humidity. In May, temperatures range from a minimum of 26°C (78°F) to a maximum of 31°C (88°F), similar to March's temperatures, which start at 25°C (77°F) and peak at 31°C (89°F). However, May experiences significantly higher precipitation, with 324 mm (12.7 in) over 29 days compared to March's 59 mm (2.3 in) across 17 days. Additionally, humidity in May reaches 78%, making it much more humid than March, where it is a more comfortable 61%. For more detailed information, you can check out Sihanoukville weather in March.
In comparing the weather patterns of May and April, one can observe notable differences. May experiences slightly warmer temperatures, with a minimum of 26°C (78°F) and a maximum of 31°C (88°F), while April's temperatures range from 24°C (76°F) to 32°C (90°F). However, April is characterized by lower precipitation levels, recording 116 mm (4.5 in) over 21 days, compared to May's much higher 324 mm (12.7 in) across 29 days. Additionally, May has a higher humidity level at 78%, compared to April's 67%. For more detailed insights, you can check Sihanoukville weather in April.
In May, the weather features warm temperatures with a minimum of 26°C (78°F), an average of 28°C (83°F), and a maximum of 31°C (88°F). However, it is also characterized by significant rainfall, totaling 324 mm (12.7 in) over 29 days, and a humidity level of 78%. June, on the other hand, presents slightly cooler temperatures with a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum of 30°C (87°F). The precipitation increases to 423 mm (16.6 in) over 27 days, accompanied by higher humidity at 84%. For more details, check out Sihanoukville weather in June.
In May, the weather is characterized by slightly warmer temperatures, with minimums around 26°C (78°F) and an average of 28°C (83°F), while July sees a marginally cooler average of 27°C (82°F) and a maximum of 30°C (86°F). However, July experiences significantly higher precipitation at 568 mm (22.4 in) compared to May's 324 mm (12.7 in), resulting in an equally damp atmosphere, with humidity levels rising to 86% in July from 78% in May. Both months see rain on approximately 29 days, but the overall wetness of July can make it feel more oppressive. For more detailed information, you can check Sihanoukville weather in July.
In comparing the weather of May and August, both months boast warm temperatures, with May experiencing average highs of 31°C (88°F) and August averaging slightly lower at 30°C (86°F). However, May tends to be drier, with 324 mm (12.7 in) of precipitation over 29 days, whereas August is significantly wetter, receiving 606 mm (23.9 in) of rainfall across 28 days. Additionally, humidity levels rise from 78% in May to a higher 88% in August, making the latter month feel more muggy and uncomfortable. For a detailed look at what to expect during August, check out Sihanoukville weather in August.
When comparing the weather in May and September, both months experience warm temperatures, with May having a slightly higher average temperature of 28°C (83°F) compared to September’s 27°C (81°F). The maximum temperatures are also similar, peaking at 31°C (88°F) in May and 30°C (86°F) in September. However, September is notably wetter, with a significant increase in precipitation, reaching 521 mm (20.5 in) across 27 days, compared to May's 324 mm (12.7 in) over 29 days. Additionally, humidity levels are higher in September at 87%, compared to 78% in May. For more detailed information, you can check Sihanoukville weather in September.
When comparing the weather in May and October, both months exhibit warm temperatures, with October being slightly cooler on average. May sees minimum temperatures around 26°C and maximums reaching up to 31°C, while October maintains a similar range with a minimum of 25°C and an average of 27°C. However, October experiences significantly higher precipitation, totaling 430 mm over 28 days, compared to May's 324 mm over 29 days. Additionally, the humidity levels are a bit higher in October at 84%, compared to May's 78%. For more detailed information, you can check the Sihanoukville weather in October.
In comparing the weather between May and November, both months offer similar average temperatures, with May slightly warmer at an average of 28°C (83°F) compared to November's 28°C (82°F). However, May experiences considerably higher precipitation, totaling 324 mm (12.7 in) over 29 days, while November sees a more moderate 151 mm (6.0 in) across 18 days. Humidity levels are also higher in November, averaging 84% compared to May’s 78%. For more detailed information, you can check Sihanoukville weather in November.
In comparing the weather of May and December, May tends to be hotter and wetter. The minimum temperature in May is 26°C (78°F), with an average of 28°C (83°F) and a maximum reaching 31°C (88°F). Additionally, it experiences significant rainfall, with 324 mm (12.7 in) spread over 29 days, resulting in a humidity level of 78%. In contrast, December is slightly cooler with a minimum temperature of 23°C (73°F), an average of 27°C (81°F), and a maximum of 31°C (89°F). Precipitation drops dramatically to 64 mm (2.5 in) over just 11 days, yielding a slightly lower humidity of 76%. For more detailed insights, you can check Sihanoukville weather in December.
As May rolls into Sihanoukville, the weather takes on a distinctly tropical vibe, with high humidity making the air feel warmer and more oppressive compared to other months. The city experiences frequent rainfall, often resulting in a lush, green landscape, but this also means that outdoor activities may be interrupted by showers. Despite the rainfall, temperatures remain consistently warm, making it an ideal time for those who enjoy a mix of sun and refreshing rain. For more insights on how Sihanoukville's weather changes throughout the year, check out Sihanoukville Climate.