Last updated: August 31, 2025
May in Koror, Palau offers warm and humid conditions, with temperatures ranging from a pleasant 26°C (78°F) at night to a maximum of 29°C (85°F) during the day. The average temperature hovers around 28°C (82°F), making it an ideal setting for those who enjoy tropical climates. However, be prepared for frequent rains, as this month typically sees 389 mm (15.3 in) of precipitation over 26 days, resulting in a humidity level of 78%. Embrace the lush, vibrant scenery that May brings, but don’t forget your umbrella!
In May, Koror, Palau embraces the warmth of late spring with temperatures reflecting a subtle upward trend. The minimum temperature rises to 26°C (78°F), while the average hovers around a balmy 28°C (82°F), and the maximum remains steady at 29°C (85°F). This slight increase from April's average of 27°C (81°F) suggests a gentle transition into the island's summer warmth. With consistent highs throughout the year, May offers an inviting climate that beckons travelers to enjoy the lush landscapes and vibrant marine life. Overall, the month exudes a tropical charm, perfect for basking in the sun or exploring the beautiful surroundings.
May in Koror, Palau stands out as the wettest month of the year, with a significant precipitation amount of 389 mm (15.3 in) across 26 rainy days. This marks a notable increase from the preceding months, particularly April, which recorded only 225 mm (8.8 in) over 23 days. The trend suggests that as the year progresses into mid-year, rainfall intensifies, contributing to the region's lush landscapes. Following May, June typically continues this trend with 302 mm (11.9 in) of rain, demonstrating a pattern of wetter conditions that persist into the summer months. This seasonal surge not only highlights the tropical climate but also sets the stage for vibrant flora and fauna, making the island a haven for nature enthusiasts.
In May, Koror, Palau experiences a slight dip in humidity, with levels averaging around 78%, marking a welcome decrease from earlier months. Following a peak in February and March at 82%, humidity begins its gradual decline, reaching its lowest point for this time of year. This trend continues into the subsequent months of June and July, where humidity remains relatively stable at 77%. The overall shift in May suggests a transition towards a slightly drier climate, offering a refreshing change before the wetter season approaches later in the year.
In May, Koror, Palau, continues to experience an extreme UV Index of 15, consistent with the high levels seen in the preceding months of March and April. With a burn time of just 10 minutes, sunscreen becomes a vital companion for both locals and visitors eager to enjoy the stunning beauty of this paradise. As the region transitions into June, the UV Index slightly drops to 13, but the risks remain elevated throughout the entire dry season. This trend highlights the importance of sun protection in Koror, making it essential to stay informed. For more on UV Index trends and tips for safe sun exposure, check out Koror UV Index.
UV Risk Categories
May shines brightly in Koror, Palau, where residents and visitors enjoy an impressive 296 hours of sunshine. This slight increase from April’s 290 hours continues a trend of flourishing daylight as the year progresses. Following a gradual rise from 225 hours in January to a peak in May, the sunshine hours create an inviting atmosphere for outdoor activities and exploration. The consistent warmth and brilliance of the sun during this period encapsulate the natural beauty of Palau, making May an ideal time for adventure seekers and beach lovers alike, before the hours subtly decline in the following months. The sunshine trend in Koror paints a vibrant picture of tropical living, where the allure of sunny days beckons all who revel in nature’s splendor.
In Koror, Palau, May tends to present a lower chance of sunny weather, with only a 14% likelihood of sunshine. This noteworthy dip follows a steady climb in sunny days from January through April, where the chances improved significantly from 15% to 35%. Interestingly, after April's peak, a marked decline occurs as the rainy season approaches, dropping to 14% before rising again in June. Overall, May stands out as a transitional month, where visitors might want to prepare for overcast skies rather than the radiant sun enjoyed in previous months.
In Koror, Palau, the daylight duration displays a consistent and inviting charm throughout the year. From January to February, residents and visitors enjoy a steady 11 hours of daylight, perfect for outdoor activities. As the seasons transition into March and April, the days gradually lengthen, reaching 12 hours of sun — a trend that continues through May and the subsequent months until September. This delightful consistency offers a warm embrace of sunshine, ideal for exploring the stunning natural beauty of the islands. As the year draws to a close in October, daylight begins to taper back down to 11 hours, echoing the lighter days of the beginning of the year and ensuring that the cycle of light and warmth in Koror remains beautifully balanced.
In May, the wind in Koror, Palau starts to shift from the stronger breezes of the earlier months, with an average speed of 5.1 m/s (11 mph). This marks a gradual decline from the peak of 6.5 m/s in January and a consistent drop that began in April, where winds were at 4.8 m/s. As the region transitions into summer, wind speeds continue to lessen into June, dropping to 2.4 m/s (5 mph), the slowest of the year. This trend highlights a clear shift from the brisk, invigorating gusts of the earlier months to a more tranquil atmosphere, perfect for enjoying the serene beauty of Palau's landscapes. The softer winds in May offer a delightful reprieve, making it an ideal time for outdoor activities as the island prepares for the calm of summer.
Weather in Koror varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Koror, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather in Koror features slightly higher average temperatures, with daily highs reaching up to 29°C (85°F) compared to January's maximum of 29°C (84°F). However, May is marked by significantly heavier rainfall, totaling 389 mm (15.3 in) over 26 days, whereas January experiences 235 mm (9.2 in) across 21 days. The humidity remains relatively high in both months, with May at 78% and January slightly higher at 81%. For more detailed information about January weather, you can check Koror weather in January.
May and February share similar temperature patterns, with both months experiencing minimum temperatures around 25°C (77°F) and maximum temperatures reaching 29°C (85°F). However, May tends to be slightly warmer on average, with temperatures peaking at 28°C (82°F), compared to February's average of 27°C (81°F). Precipitation in May is notably higher, with 389 mm (15.3 in) falling over 26 days, while February sees slightly less rain at 337 mm (13.3 in) over 22 days. Additionally, humidity remains high in both months, with May at 78% and February slightly higher at 82%. For more detailed information on February weather conditions, you can visit Koror weather in February.
In comparing the weather between May and March, we can see some notable differences. May tends to be slightly warmer, with average temperatures around 28°C (82°F) and a minimum of 26°C (78°F), while March shows a slightly lower average temperature of 27°C (81°F) with a minimum of 25°C (77°F). However, May experiences significantly higher precipitation, totaling 389 mm (15.3 in) and occurring over 26 days, compared to March's 188 mm (7.4 in) over 21 days. Additionally, while humidity levels are quite similar, May's 78% is marginally lower than March's 82%. For more detailed information, you can check Koror weather in March.
In comparing the weather of April and May, we find that both months experience similar temperature ranges, with April having a minimum of 25°C (78°F) and an average of 27°C (82°F), while May sees a slightly higher minimum of 26°C (78°F) and maintains the same maximum of 29°C (85°F). However, May is significantly wetter, recording 389 mm (15.3 in) of precipitation over 26 days compared to April's 225 mm (8.8 in) over 23 days. Additionally, while April has a slightly higher humidity level at 80%, May's humidity remains relatively high at 78%. For more detailed insights into April weather, you can visit Koror weather in April.
In May, the weather in Koror features warm temperatures with a minimum of 26°C (78°F) and an average of 28°C (82°F), peaking at a maximum of 29°C (85°F). However, it also brings significant rainfall, totaling 389 mm (15.3 in) across 26 days and maintaining high humidity at 78%. In contrast, June sees nearly the same temperature range, with a min of 26°C (78°F), an average of 27°C (82°F), and a max of 29°C (85°F). Rainfall decreases to 302 mm (11.9 in), although it is experienced over 28 days, resulting in slightly lower humidity at 77%. For more details, check Koror weather in June.
May and July present relatively similar weather conditions; however, there are some notable differences. In May, temperatures typically range from a minimum of 26°C (78°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). The month is characterized by higher precipitation, totaling 389 mm (15.3 in) across 26 rainy days, paired with a humidity level of 78%. In contrast, July sees slightly cooler average temperatures, with a minimum of 25°C (78°F) and an average of 27°C (81°F), while still reaching a maximum of 29°C (85°F). Rainfall is a bit lower in July, amounting to 365 mm (14.4 in) spread over 28 days, with humidity slightly reduced at 77%. For more detailed information, you can check out Koror weather in July.
May and August present somewhat similar weather patterns, characterized by warm temperatures and high humidity. In May, temperatures range from a minimum of 26°C (78°F) to an average of 28°C (82°F) and a maximum of 29°C (85°F), while August has slightly lower averages, with minimum temperatures at 25°C (78°F) and an average of 27°C (81°F). Precipitation is notably higher in May, with 389 mm (15.3 in) falling over 26 days, compared to 299 mm (11.8 in) and 27 days of rain in August. Despite the similarities in temperature, May tends to be wetter and rainier, while August offers slightly cooler temperatures with less precipitation overall. For more detailed information, check out Koror weather in August.
May and September share similar average temperatures, with both months typically ranging from a minimum of 25-26°C (78-82°F) to a maximum of 29-30°C (85°F). However, May is characterized by higher precipitation, receiving 389 mm (15.3 in) across 26 days, which contributes to a slightly lower humidity level of 78%. In contrast, September experiences less rainfall, totaling 284 mm (11.2 in) over 25 days, and slightly increased humidity at 79%. For more detailed weather information specific to September, you can check Koror weather in September.
In May, the weather is characterized by similar minimum and average temperatures as in October, with both months starting at 26°C (78°F) and averaging around 28°C (82°F). However, May receives significantly more rainfall, with a precipitation total of 389 mm (15.3 in) over 26 days, resulting in a humid environment with 78% humidity. In contrast, October experiences slightly warmer maximum temperatures, reaching up to 30°C (86°F), but benefits from reduced precipitation of 278 mm (11.0 in) over 25 days and slightly lower humidity at 77%. For a more detailed look into the October weather, you can check Koror weather in October.
In both May and November, the weather in Koror features similar temperatures, with minimums at 26°C (79°F), averages at 28°C (82°F), and maximums reaching 29°C (85°F). However, May experiences significantly higher precipitation, with 389 mm (15.3 in) spread over 26 days, compared to November's 278 mm (10.9 in) over the same number of days. This results in a slightly more humid atmosphere in May, at 78%, versus November's 77%. For more detailed information, visit Koror weather in November.
May and December in Koror display quite similar temperature patterns, with both months featuring minimum and maximum temperatures ranging from 26°C (78°F) to 29°C (85°F) and an average of 28°C (82°F). However, May is characterized by significantly higher precipitation, with 389 mm (15.3 in) across 26 days, compared to December's 309 mm (12.2 in) over 28 days, making December a slightly drier month. Despite the differences in rainfall, humidity remains constant at 78% during both months, creating a consistently humid environment. For a more detailed look at December weather, check out this link: Koror weather in December.
In May, Koror experiences a warm and humid climate, with temperatures that remain consistently high, averaging around 28°C. This month stands out due to its significant rainfall, as it marks the transition into the wet season. With an average of 26 rainy days, the moisture content in the air reaches about 78%, creating a lush, vibrant atmosphere throughout the region. While other months may showcase a balance of sun and rain, May's persistent showers lead to a more tropical experience, making it a unique time to visit. For a deeper dive into Koror's weather patterns, explore Koror Climate.