May Weather in Banlung, Cambodia

Last updated: August 21, 2025

In May, Banlung, Cambodia experiences a striking blend of heat and humidity, with temperatures soaring to a maximum of 40°C (104°F) and averaging around 29°C (84°F). The nights offer a slight respite, cooling down to a minimum of 23°C (74°F). However, the month is also marked by significant rainfall, totaling 268 mm (10.5 in) over 26 days, making it one of the wettest times of the year. With an average humidity level of 74%, the air feels heavy, emphasizing the tropical climate. Visitors should prepare for both the intense sun and the frequent showers that define this vibrant month in Banlung.

May Temperature in Banlung

In May, Banlung, Cambodia, experiences a noteworthy transition as temperatures begin to climb toward the peak of the dry season. The month sees a minimum temperature of 23°C (74°F), offering warmer mornings that hint at the heat to come. With an average temperature of 29°C (84°F) and a maximum of 40°C (104°F), May can feel quite steamy, reflecting a similar pattern to the preceding months but just slightly more tempered than April’s extremes. This combination of warm days and cooler nights makes for pleasant evenings, perfect for enjoying the vibrant local culture. As the region gears up for the hotter months ahead, outdoor enthusiasts and travelers can delight in the balance of warmth and adventure during this inviting time in Banlung.

May Weather in Banlung: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Banlung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Banlung, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec818386868482818181818180
Data source: Temperature data for Banlung 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.

May Precipitation in Banlung

May marks a significant transition in Banlung, Cambodia, as the region experiences its peak rainfall, accumulating a remarkable 268 mm (10.5 in) of precipitation over 26 days. This surge follows the steady increase from previous months, where April saw 93 mm of rain in just 14 days. The arrival of May sets the stage for a truly lush landscape, with the intensity of rainfall continuing to climb as the onset of the monsoon approaches. The consistent rainfall not only nourishes the thriving ecosystems but also highlights the stark contrast from the dry months of January and February. With the rainy season firmly established, May serves as a vibrant reminder of nature's resilience and the region's rich biodiversity coming alive amidst the downpour.

May Precipitation Trends in Banlung

The chart displays monthly precipitation patterns in Banlung, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Banlung, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5253932682954223603362719021
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Banlung

In May, Banlung, Cambodia, experiences a notable spike in humidity, reaching 74%, a significant rise from April's lower level of 48%. This increase signals the onset of the wet season, which continues to escalate, with humidity soaring to 88% by June. The trend clearly illustrates a shift from the dry, more comfortable months of January through April, where humidity averages around 63% to 55%. As the region moves into the summer months, residents and visitors can expect a much stickier atmosphere, foreshadowing the peak humidity levels typically observed in July and August, where it soars to an impressive 90% and 92%, respectively.

May Average Humidity in Banlung

This chart illustrates the average monthly humidity levels in Banlung, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Banlung is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%55%48%48%74%88%90%92%91%87%84%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Banlung

In May, Banlung experiences a consistently high UV Index of 15, falling under the extreme exposure category, which means you should limit your sun exposure to just 10 minutes to avoid sunburn. This level of UV radiation mirrors the preceding months of March and April, indicating that the sun's intensity remains remarkably high as the dry season continues. As the month transitions into June and beyond, the UV Index only slightly decreases to 13, but maintains an extreme classification, highlighting the importance of sun protection throughout the region's warm months. Planning outdoor activities? Be sure to stay informed and take precautions to safeguard your skin. For more detailed insights on UV levels, visit Banlung UV Index.

Maximum UV Index Levels in Banlung for May

The chart shows the monthly maximum UV Index (UVI) for Banlung in May, 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 May, the maximum UV index in Banlung typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101315151513141414131110
Data source: Banlung May 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.

May Sunshine in Banlung

In Banlung, Cambodia, May continues the trend of abundant sunshine that characterizes the early months of the year. With 313 hours of sunlight, it closely follows April's promising total of 311 hours and showcases the region's consistent brightness as the dry season unfolds. This month of sunshine supports a vibrant atmosphere for outdoor activities, as residents and visitors alike bask in the warm glow. As the year progresses, a gradual decline in sunlight hours is observed from June onward, suggesting that while May enjoys the tail end of peak sunshine, the subsequent months will see a gentle retreat from this golden radiance.

Monthly Sunshine Duration in Banlung: May Highlighted

The May sunshine duration represents the total number of hours Banlung experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec256h295h324h311h313h288h283h271h266h275h289h304h
Data source: Banlung May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Banlung During May

In May, Banlung, Cambodia, experiences a notable decline in sunny weather, with a chance of sunshine dropping to 35%. This trend marks a continuation of a downward trajectory that begins in April, where the likelihood of sun is 42%. As the region transitions into the wet season, the months that follow—especially June and July—see even lower probabilities of clear skies, plummeting to 22% and 16%, respectively. This pattern suggests that while May still holds a moderate chance for sun, the weather is increasingly characterized by cloud cover and rainfall as the region braces for the monsoon. For travelers seeking sunny days, May might be the last opportunity before a stretch of decidedly more variable and overcast weather.

Percentage of Sunny Days in May in Banlung

The chart illustrates the percentage of sunny days in Banlung throughout the year, with May 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 Banlung experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%70%67%42%35%22%16%10%12%10%33%38%
Data source: Banlung May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Banlung in May

In Banlung, Cambodia, the duration of daylight presents a fascinating pattern throughout the year. During the first half of the year, daylight gradually increases, peaking at 12 hours from March to June. This consistent length of daylight fosters a vibrant atmosphere, perfect for exploring the region's stunning natural beauty. As summer transitions into autumn, the daylight duration remains steady at 12 hours from July to September, offering ample time for outdoor adventures. However, as the year draws to a close, daylight begins to wane once again, returning to 11 hours in October and remaining there until January. This rhythm of light not only marks the passage of seasons but also nurtures a unique connection to the land's cyclical beauty.

Average Daylight Hours in Banlung for May

The chart illustrates the variation in daylight duration in Banlung throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 24m11h 40m12h 2m12h 25m12h 45m12h 54m12h 49m12h 33m12h 11m11h 48m11h 28m11h 19m
Data source: Banlung daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Banlung

In May, the wind in Banlung experiences its mildest output of the year, with an average speed of just 1.5 m/s (3 mph). This gentle breeze marks a noticeable drop from the earlier months, as the wind speed gradually declines from February's 2.4 m/s to April’s low of 1.8 m/s. As the rainy season approaches, calm conditions prevail, transitioning into the humid warmth of the summer months. This trend of decreasing wind speed continues into June, where it stabilizes at 1.8 m/s, suggesting a temporary stagnation before the winds pick up again later in the year. Thus, May offers a serene backdrop perfect for leisure activities amidst the lush landscapes of Cambodia, highlighting the tranquil charm of this unique region.

Average May Wind Speed in Banlung

The chart displays monthly wind speed patterns in Banlung, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.42.41.81.5 m/s1.82.01.61.41.51.82.3
Data source: Banlung May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Banlung Compares to Other Months

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

May and January present contrasting weather conditions. In May, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 40°C (104°F), with an average of 29°C (84°F). This month also sees significant rainfall, with 268 mm (10.5 in) of precipitation over 26 days and a high humidity level of 74%. In contrast, January offers a much milder climate, featuring temperatures that range from a minimum of 16°C (61°F) to a maximum of 37°C (98°F), with an average of 27°C (81°F). Notably, January experiences very little rain, averaging just 5 mm (0.2 in) over 0 days, accompanied by lower humidity at 63%. For more detailed information, you can check Banlung weather in January.

May and February present contrasting weather patterns. In May, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 40°C (104°F), with an average temperature of 29°C (84°F). This month also sees significant rainfall, totaling 268 mm (10.5 in) over 26 days, contributing to high humidity levels of 74%. In stark contrast, February offers milder conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 39°C (102°F) and an average of 28°C (83°F). Notably, February experiences almost no precipitation, with only 2 mm (0.1 in) recorded over 0 days, resulting in a much lower humidity of 55%. For a detailed look at February weather, you can visit Banlung weather in February.

In comparing the weather between March and May, notable differences emerge, particularly in precipitation and humidity levels. March generally features a warm climate with average temperatures around 30°C (86°F), while it tends to be drier with only 53 mm (2.1 in) of rain over just 6 days. In contrast, May sees a slight increase in average temperatures, reaching 29°C (84°F), but is characterized by significantly higher rainfall totaling 268 mm (10.5 in) over 26 days, alongside an increase in humidity to 74%. This makes May feel much more humid and stormy compared to the relatively dry and milder March. For more details on weather conditions in March, you can check Banlung weather in March.

In comparing the weather of April and May, we observe that April tends to be slightly warmer overall, with an average temperature of 30°C (86°F) and a maximum reaching 42°C (107°F). In contrast, May experiences a marginally cooler average temperature of 29°C (84°F), with a maximum of 40°C (104°F). However, May is significantly wetter, receiving 268 mm (10.5 in) of rainfall over 26 days, compared to April's 93 mm (3.7 in) over just 14 days. Additionally, the humidity levels spike in May to 74%, up from 48% in April. For more detailed weather information, you can refer to Banlung weather in April.

In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (104°F), with an average of 29°C (84°F). The month experiences significant rainfall, totaling 268 mm (10.5 in) over 26 days, with humidity levels around 74%. In contrast, June sees slightly lower maximum temperatures, peaking at 36°C (97°F) and averaging 28°C (82°F), while still maintaining a minimum of 23°C (74°F). Precipitation increases to 295 mm (11.6 in), occurring over 28 days, and humidity rises to a sticky 88%. This indicates that while both months are warm, June is typically more humid and wetter. For more details, check out Banlung weather in June.

In comparing the weather of May and July, May tends to be hotter, with temperatures soaring as high as 40°C (104°F), while July experiences a milder maximum of 35°C (95°F). Both months share a minimum temperature of 23°C, but May has a higher average temperature of 29°C (84°F) compared to July's average of 27°C (81°F). Precipitation levels are notably higher in July, with 422 mm (16.6 in) over 29 days, in contrast to May's 268 mm (10.5 in) across 26 days. Additionally, humidity levels increase from 74% in May to a significant 90% in July, contributing to a heavier, more oppressive climate. For more details on July weather, you can visit Banlung weather in July.

In comparing the weather between May and August, May experiences higher average temperatures, peaking at 40°C (104°F), whereas August sees milder conditions with a maximum of 34°C (94°F). Both months start with similar minimum temperatures of 23°C (74°F), but August brings increased humidity at 92%, compared to May's 74%. Precipitation is also more pronounced in August, with 360 mm (14.2 in) over 29 days, surpassing May's 268 mm (10.5 in) across 26 days. For a more detailed look at August weather patterns, check out Banlung weather in August.

May and September exhibit quite different weather characteristics despite their similar minimum temperatures. In May, the average temperature reaches a warm 29°C (84°F), with maximums soaring up to 40°C (104°F). However, this month also experiences significant rainfall, totaling 268 mm (10.5 in) over 26 days, accompanied by a humidity level of 74%. In contrast, September sees a drop in the average temperature to 27°C (81°F), and the maximum temperature is much more moderate at 35°C (94°F). This month, however, is marked by higher precipitation at 336 mm (13.2 in) over 28 days, leading to even higher humidity at 91%. For a closer look at September weather specifics, you can see more details here: Banlung weather in September.

May and October exhibit distinct weather patterns despite their proximity in the calendar year. In May, temperatures soar with a minimum of 23°C (74°F), averaging 29°C (84°F), and occasionally peaking at a scorching 40°C (104°F). The month also experiences significant rainfall, accumulating 268 mm (10.5 in) over 26 days, along with a humidity level of 74%. In contrast, October brings slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 27°C (81°F), while the maximum reaches 37°C (99°F). Precipitation is comparable, totaling 270 mm (10.6 in) but occurring over fewer days (21), resulting in higher humidity at 87%. For more detailed insights, check Banlung weather in October.

When comparing the weather between May and November, it’s clear that May tends to be hotter and more humid. In May, temperatures can reach a maximum of 40°C (104°F) with an average of 29°C (84°F) and significant rainfall of 268 mm (10.5 in) over 26 days, contributing to a humidity level of 74%. In contrast, November offers slightly cooler conditions with temperatures peaking at 39°C (102°F) and an average of 27°C (81°F). Rainfall is significantly reduced in November, totaling only 90 mm (3.6 in) over 9 days, and humidity rises to 84%. For more detailed information about November weather, you can visit Banlung weather in November.

May and December exhibit distinct weather patterns, reflecting the transition from late spring to early winter. In May, temperatures can soar, with a minimum of 23°C (74°F) and reaching a maximum of 40°C (104°F), combined with high humidity levels of 74%. However, this month is characterized by significant rainfall, totaling 268 mm (10.5 in) over 26 days. In contrast, December offers a more moderate climate, with temperatures ranging from a cooler minimum of 17°C (62°F) to a maximum of 37°C (100°F), and a comfortable average of 26°C (80°F). The precipitation drops drastically to just 21 mm (0.8 in) over a mere 3 days, while humidity slightly increases to 76%. For more specific details about December weather, visit Banlung weather in December.

Compare Banlung's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Banlung

As May descends upon Banlung, the weather transforms, bringing with it hotter temperatures and a significant increase in rainfall compared to previous months. The city experiences an average temperature that can soar up to 40°C (104°F), creating a warm and humid atmosphere, with an average humidity of 74%. This month also marks the onset of the rainy season, resulting in about 26 days of precipitation totaling around 268 mm (10.5 in), offering a refreshing contrast to the drier months before. For those seeking to understand how these changes impact travel and outdoor activities, additional insights can be found at Banlung Climate.