Climate of Singapore

Last updated: July 31, 2025

Singapore's climate is characterized by a tropical rainforest environment, where temperatures remain warm and stable throughout the year. The maximum temperature peaks at 34°C (93°F) in March, while the average temperature hovers around a comfortable 27°C (81°F), with a minimum in January dipping to 22°C (72°F). This city-state experiences significant annual rainfall, totaling approximately 2590 mm (102 in), distributed over numerous precipitation days each month. Notably, April experiences the highest number of rain days at 26, while February sees the least at 12. Singapore's humidity levels are also noteworthy, with January boasting an average maximum of 88%, gradually decreasing to 83% in May. This combination of warmth, high moisture, and considerable rainfall creates an environment that fosters lush greenery and vibrant ecosystems, making Singapore a unique tropical destination.

Singapore Climate Zones

Singapore is characterized by its tropical rainforest climate, classified under the Köppen-Geiger climate class Af. This means the city-state experiences high temperatures and humidity year-round, with an average temperature hovering around 27°C (81°F). Rainfall is abundant, with no true dry season, contributing to the lush greenery that Singapore is famed for. The constant warmth and moisture create a vibrant ecosystem, making outdoor activities enjoyable but also necessitating preparation for sudden downpours. Ultimately, Singapore's climate fosters a bustling urban landscape interwoven with nature, offering both residents and visitors a unique, humid tropical experience.

Köppen-Geiger Climate Classification of Singapore
Climate ZoneDescription

Singapore Temperature by Month

Singapore experiences a warm and humid tropical climate year-round, with temperatures showing only slight variations throughout the months. January and February start off cool, with average temperatures hovering around 27°C (80°F) and maximums reaching 33°C (92°F). As the months progress into March and April, the heat intensifies, peaking at 34°C (93°F) in March before settling slightly in April. The warmth continues into May through August, where temperatures stabilize around an average of 28°C (82°F) and maximums generally stay near 32°C (90°F). A subtle drop in average temperatures is noted in September and October, yet the climate remains balmy, with October and November offering max temperatures up to 33°C (91°F). Finally, December brings a slight respite with lower minimum temperatures, down to around 23°C (74°F), but maintains the warm average of 27°C (80°F), completing the perpetual summer feel that defines Singapore's weather.

Monthly Temperatures in Singapore

The chart illustrates Singapore's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
Data source: Singapore temperature data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.
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Precipitation Patterns in Singapore

Singapore's precipitation patterns reveal a distinct seasonal rhythm, with rainfall peaking towards the year's end. November stands out dramatically, boasting the highest monthly total of 358 mm (14.1 in) over 27 days of rain, marking the onset of the monsoon season. Following closely, May and June each receive substantial rainfall, averaging around 262 mm (10.3 in) and 253 mm (10.0 in), respectively, and occurring on nearly 28 days. As the year progresses, the precipitation starts strong in January with 192 mm (7.5 in) but tapers off significantly in February to just 77 mm (3.0 in), establishing a stark contrast to the wetter months that follow. Notably, the mid-year months of June through August experience consistent rainfall, while March and April bridge the transition into this wetter period. Overall, the landscape of Singaporean weather emphasizes the importance of expecting heavy downpours and frequent rainy days, especially as the year approaches its climax in November.

Precipitation Trends in Singapore

The chart illustrates Singapore's yearly temperature patterns, showing data aggregated from various locations across the region, highlighting seasonal variations and monthly temperature changes.
Data source: Singapore precipitation data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Singapore Humidity

Singapore's humidity levels remain notably high throughout the year, creating a lush, tropical atmosphere. January kicks off with the highest humidity at 88%, gradually tapering to a low of 83% from May to July. However, as the year progresses into the latter months, humidity levels rise once more, with December reaching 87%. Noteworthy is the relative stability of readings, hovering between 83% and 88%, which highlights Singapore’s characteristic tropical climate. This consistency in humidity not only defines the city's weather patterns but also contributes to its vibrant ecosystems and diverse flora.

Average Humidity in Singapore

Singapore's Average Monthly Humidity Levels: This chart highlights Singapore's humidity fluctuations throughout the year, making it easy to compare seasonal trends. See how humidity varies month by month and understand Singapore's climate patterns.
Data source: Humidity data for Singapore generated using information from the Copernicus Climate Change Service.

Singapore UV Index Trends

Singapore's UV Index trends reveal a consistent and alarming pattern of extreme sun exposure throughout the year. From January to December, the UV Index remains impressively high, peaking at 16 in March and hovering around 13 to 15 during several months. This sustained level of intensity translates to an unrelenting burn time of just 10 minutes, underscoring the urgency for residents and visitors alike to take necessary precautions against harmful UV rays. Notably, while the index slightly dips in June and July to 12, it quickly rebounds, maintaining its serious status, particularly in the brighter months. As such, staying informed and protected is essential for anyone enjoying Singapore's sunny climate.

Maximum UV Index Levels in Singapore

The chart shows the monthly maximum UV Index (UVI) in Singapore, 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.
Data source: Singapore UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Sunshine Duration in Singapore

Singapore enjoys a delightful distribution of sunshine throughout the year, with February boasting the highest count at 299 hours. As the year progresses, March shines the brightest, reaching 326 hours, making it the sunniest month. Following this peak, the months gradually taper off, yet remain robust, with sunlight hours consistently hovering around the 290s. Notably, July and August maintain impressive totals of 311 and 315 hours, respectively, contributing to the island's year-round tropical allure. However, as we transition toward the year’s end, a gentle decline is observed, with November recording the lowest at 264 hours. Overall, Singapore bathes in ample sunshine, creating an inviting ambiance throughout the seasons.

Monthly Sunshine Duration in Singapore

The Singapore sunshine duration chart shows the total hours of direct sunlight in Singapore each month, excluding cloudy or obstructed periods, and compares the sunshine duration across different months of the year.
Data source: Singapore sunshine duration data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.

Chance of Sun in Singapore

In Singapore, the likelihood of sunny weather varies significantly throughout the year, with a notable increase in sunny days during the early months of the year. February and March enjoy a comfortable 21% chance of sunshine, while April peaks at a 23% likelihood. After this sunny stretch, the chances dip slightly in May and June, oscillating between 16% to 18%. Interestingly, September emerges as another golden opportunity for sun seekers, boasting a 25% chance of clear skies. As the year winds down, the likelihood dwindles sharply, with December and November each sinking to a mere 9%. Overall, if you’re dreaming of sunshine in Singapore, aim for the sweet spots of April and September for your best bet!

Percentage of Sunny Days in Singapore

The chart illustrates the percentage of sunny days in Singapore throughout the year. 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 Singapore experiences clear skies throughout the year.
Data source: Singapore chance of sun data, generated using information from the Copernicus Climate Change Service.

Average Daylight Hours Across the Singapore

In Singapore, the rhythm of daylight remains remarkably consistent throughout the year, with an impressive 12 hours of daylight, regardless of the month. This steady pattern creates a unique charm, allowing residents and visitors alike to embrace outdoor activities and vibrant nightlife without worrying about major seasonal shifts. With long, sunlit days spanning from January to December, the city-state basks in a tropical glow, fostering an environment that thrives year-round. Whether you're enjoying bustling street markets or relaxing in lush parks, Singapore's unwavering daylight offers a delightful backdrop to explore its diverse attractions at any time of the year.

Average Monthly Daylight Hours in Singapore

This chart shows the total daylight hours Singapore receives each month, calculated by summing the hours between sunrise and sunset.
Data source: Singapore daylight hours, calculated by summing the hours between sunrise and sunset for each day.

Climate Breakdown by Singapore Region

Summary and Key Takeaways on the Climate of the Singapore

Singapore’s climate is characterized by consistently warm temperatures year-round, with averages hovering around 27-28°C (81-83°F). The city-state experiences its hottest months in March and May, where temperatures can peak at 34°C (93°F), while January and February provide a slightly cooler respite with averages near 27°C (80°F). Humidity levels remain high, ranging from 83% to 88%, with a noticeable increase in January and December. Precipitation patterns reveal a marked increase from February onwards, peaking in May and November, the latter contributing to the wettest months with 27 days of rain. Overall, the impending wet weather coupled with high humidity creates a tropical climate that is as persistent as it is vibrant, shaping the unique lifestyle of this bustling metropolis.