Last updated: August 31, 2025
In Singapore, the weather in May is characterized by warm temperatures and high humidity, creating a tropical atmosphere that’s both exhilarating and challenging. The maximum temperature reaches a pleasant 30°C (86°F), while the average hovers around 28°C (83°F), with nighttime lows dipping to about 25°C (78°F). May is also notorious for its significant rainfall, accumulating approximately 264 mm (10.4 in) across 29 days, making it one of the wetter months of the year. With humidity levels soaring at 83%, visitors and locals alike should prepare for a lush and vibrant environment punctuated by frequent, refreshing downpours.
In May, Singapore experiences warm and consistent temperatures that reflect the tropical climate's reliability. With a minimum temperature of 25°C (78°F) and an average of 28°C (83°F), the month shows a slight uptick from April, where the average was similar but with slightly higher highs in May—reaching a maximum of 30°C (86°F). This month maintains the familiar warmth that characterizes the city-state, where temperatures remain stable with little variation, making May an ideal time for outdoor activities despite the prevailing humidity. Overall, May seamlessly fits into Singapore’s predictable weather pattern, ensuring that both residents and visitors can enjoy the lush landscapes and vibrant culture in a comfortably warm environment.
In May, Singapore experiences its wettest month of the year, with an impressive 264 mm (10.4 in) of precipitation falling across 29 days. This significant amount highlights a trend of escalating rainfall as the year progresses, with May notably surpassing April's 230 mm (9.0 in). The frequent showers contribute to the island's lush greenery, making Singapore a vibrant oasis. Interestingly, the downpours of May create a seamless transition into the similarly rainy month of June, which sees just slightly less precipitation at 262 mm (10.3 in). This pattern underscores the tropical nature of Singapore's climate, where the interplay of sunshine and rain fuels both the landscape and the atmosphere.
As one of the most humid months in Singapore, May sees a notable pattern with humidity levels averaging around 83%. This slight dip from earlier months, particularly January's sweltering 88%, reflects a gradual easing in the relentless tropical moisture that characterizes the region. Following the trend from April's 84%, May signals a consistent level of humidity that persists into the upcoming months, with June, July, and August maintaining the same average. This stability in humidity levels not only defines the climate of Singapore but also shapes the vibrant, lush landscapes synonymous with the city. As the year progresses, residents and visitors alike can expect the humidity to hover around these familiar figures, a reminder of the tropical beauty that thrives in this bustling metropolis.
In May, Singapore continues to showcase its relentless sun, with a UV Index of 13, categorized as extreme. This mirrors the high readings seen throughout the earlier months of the year, especially from February to April, where the UV Index peaked at 15. As we transition into June, there’s a slight dip to 12, yet the burn time remains a swift 10 minutes across these months, underscoring the necessity for sun protection. This pattern of consistently extreme UV levels throughout the year in Singapore highlights the importance of staying vigilant against sun exposure. For detailed insights and updates, check out the Singapore UV Index.
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May in Singapore continues the trend of abundant sunshine, with 297 hours of bright daylight gracing the city. This figure is slightly lower than the preceding month of April but remains strong compared to the earlier part of the year. The sunshine hours display an overall increase as the year progresses, peaking in March with 327 hours and maintaining robust figures into the summer. As Singapore transitions into June, the slight dip in May's sunshine is accompanied by a consistent average that promises warmth and vibrancy, keeping the spirit of the city alive amid tropical delights. Moreover, the steady sunshine hours from January through December suggest that residents can expect a lively atmosphere throughout the year, ensuring that outdoor activities and explorations remain a delightful part of life in this bustling metropolis.
In Singapore, the likelihood of sunny weather fluctuates throughout the year, with May presenting a 16% chance of clear skies. This places May in the middle range of sunshine probabilities, notably after the relatively sunnier months of March and April, which have chances of 22% and 23% respectively. As the rainy season approaches, the prospect for sun diminishes, with June and July both sitting at 19%. Interestingly, the weather begins to brighten again in September, boasting a 26% chance of sunny days. Overall, while May may not promise an abundance of sun, it contributes to a transitional climate where the patterns of the preceding months hint at the impending shifts in weather.
In Singapore, the daylight duration remains remarkably consistent throughout the year, with each month offering a steady 12 hours of daylight. This unchanging pattern reflects the region's equatorial climate, where the sun rises and sets around the same time daily. As such, whether it's the start of the year in January or the close in December, residents and visitors alike can rely on this reliable rhythm of day and night. This predictable cycle not only influences daily routines but also enhances the appeal of outdoor activities and vibrant nightlife, making Singapore a dynamic destination year-round.
In May, Singapore experiences a slight uptick in wind speed, averaging 2.9 m/s (6 mph), compared to the calmer April days of just 2.6 m/s (6 mph). This minimal increase marks a transition as the region heads into the southeast monsoon season, with wind speeds typically rising from the low levels seen in the preceding months. While May doesn’t approach the gustier conditions of the early year, where January and February recorded higher averages of 5.8 m/s (13 mph) and 5.6 m/s (13 mph) respectively, it does anticipate a gradual resurgence. The pattern suggests an early buildup before the mid-year winds assert themselves, providing a gentle breeze that characterizes the lush, tropical ambiance of Singapore.
Weather in Singapore varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Singapore, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January in Singapore present a striking contrast in weather, despite their similar temperature ranges. In May, temperatures soar with minimums around 25°C (78°F) and highs reaching 30°C (86°F), accompanied by significantly higher rainfall totaling 264 mm (10.4 in) over 29 days, resulting in a humidity level of 83%. In contrast, January experiences a slightly cooler average temperature of 27°C (80°F) and features less precipitation at 172 mm (6.8 in) over 16 days, with a higher humidity level of 88%. These differences highlight May as a wetter month with more frequent rain while January offers a more stable climate for outdoor activities. For more detailed information, you can explore Singapore weather in January.
In comparison to February, May experiences slightly higher temperatures, with minimums around 25°C (78°F) and an average of 28°C (83°F), compared to February's minimum of 24°C (76°F) and average of 27°C (80°F). Both months have a maximum temperature of around 30°C (86°F) for May and 30°C (85°F) for February, indicating similar warmth. However, May is significantly wetter, with 264 mm (10.4 in) of precipitation over 29 days, while February has only 68 mm (2.7 in) over 11 days. The humidity levels are comparable, with May at 83% and February at 85%. For more detailed information, see Singapore weather in February.
When comparing the weather in May and March, both months experience similar temperature ranges, with minimums around 25°C (77-78°F) and maximums reaching up to 30°C (86-87°F). However, May tends to be noticeably wetter, receiving 264 mm (10.4 in) of rain over 29 days, compared to March's 141 mm (5.6 in) over 19 days. Additionally, humidity levels are slightly lower in May at 83%, while March holds a higher average humidity at 86%. This contrast in precipitation and humidity makes May feel more humid and rainy, whereas March is relatively drier. For more detailed information, you can check Singapore weather in March.
In comparing the weather between April and May, we notice that both months have similar temperature ranges, with minimums of around 25°C (78°F), average temperatures of 28°C (83°F), and maximums reaching 30°C (86°F). However, May experiences slightly higher precipitation, accumulating 264 mm (10.4 in) over 29 days, compared to April's 230 mm (9.0 in) over 26 days. Additionally, the humidity levels are comparable, with April at 84% and May at 83%. For more detailed information on April's weather, you can check Singapore weather in April.
May and June experience similar temperatures in Singapore, with both months showcasing a minimum of 25°C (77°F) and a maximum of 30°C (86°F). The average temperature remains consistent at around 28°C (82°F). However, May tends to be slightly wetter, with precipitation measuring 264 mm over 29 days compared to June's 262 mm over 26 days. Both months also share a high humidity level of 83%, contributing to the tropical climate. For a more detailed overview, you can check out the weather specifics here: Singapore weather in June.
In comparing the weather of May and July, both months experience similar temperature ranges, with minimums around 25°C (78°F) and average highs of approximately 28°C (82-86°F). However, May tends to be wetter, receiving 264 mm (10.4 in) of precipitation over 29 days, while July sees a reduction in rainfall to 198 mm (7.8 in) across 23 days. Humidity levels remain constant at 83% in both months, providing a generally humid climate. For more detailed insights on July weather, you can visit Singapore weather in July.
May and August in Singapore exhibit similar temperature ranges, with both months experiencing minimum temperatures around 25°C (77-78°F) and average temperatures of 28°C (82-83°F). However, May tends to be slightly warmer, with maximum temperatures reaching up to 30°C (86°F), while August peaks at 29°C (85°F). Precipitation levels in May are considerably higher, totaling 264 mm (10.4 in) over 29 days, compared to August's 181 mm (7.1 in) spread over 24 days. Humidity remains relatively high in both months, hovering around 83% in May and 85% in August. For more specific details, you can check Singapore weather in August.
May and September in Singapore both showcase warm temperatures, but with notable differences in precipitation and humidity. In May, temperatures range from a minimum of 25°C (78°F) to a maximum of 30°C (86°F), with an average of 28°C (83°F). However, it is also the rainiest month, experiencing 264 mm (10.4 in) of rainfall over 29 days and an average humidity of 83%. Conversely, September sees slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), averaging 27°C (82°F). Precipitation decreases to 189 mm (7.4 in) over 22 days, maintaining a similar humidity level at 84%. For more details, check Singapore weather in September.
In May, temperatures are typically warm, with minimums around 25°C (78°F) and averages peaking at 28°C (83°F). However, the month is marked by high precipitation of 264 mm (10.4 in) spread over 29 days, resulting in high humidity levels of 83%. In contrast, October experiences slightly cooler temperatures, with a minimum of 25°C (77°F) and an average of 27°C (82°F). Although the temperatures are similar at the higher end, October sees a reduction in rainfall to 216 mm (8.5 in) over 25 days and a marginally higher humidity of 84%. For more detailed information about the climate in October, you can visit Singapore weather in October.
In May, the weather typically features slightly higher average temperatures, with a minimum of 25°C and a maximum of 30°C, resulting in an overall warm atmosphere. The month experiences significant rainfall, with 264 mm of precipitation over 29 days and humidity levels around 83%.
In contrast, November offers a marginally cooler climate, with average temperatures ranging from 25°C to 29°C. However, it sees even more rainfall than May, recording 356 mm over 27 days, combined with a humidity level of 84%. For more detailed information, you can check out Singapore weather in November.
In comparing the weather between May and December, both months feature warm temperatures, with minimums around 25°C (77°F to 78°F) and maximums peaking at 30°C (86°F). However, May experiences a higher average temperature of 28°C (83°F) compared to December's average of 27°C (80°F). Precipitation is notably greater in May, with 264 mm (10.4 in) over 29 days, versus December's 221 mm (8.7 in) over 23 days. Additionally, humidity levels are slightly higher in December at 87%, compared to 83% in May. For a more detailed look at December's climate, you can visit Singapore weather in December.
As May rolls in, Singapore experiences a notable shift in weather patterns compared to other months. With average temperatures hovering around a comfortable 28°C (83°F), the humidity remains high at 83%, contributing to the city's characteristic tropical feel. However, the standout feature of May is its abundance of rain, with nearly every day seeing precipitation and a total of 264 mm for the month. This contrasts sharply with the drier spells of earlier months, making May a particularly lush and vibrant time to explore the city’s rich greenery. Those seeking to enjoy Singapore's beautiful landscapes amidst the rain can find valuable information and insights in our comprehensive Singapore Climate guide.