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Contents
- The climate of Singapore
- The best time to visit Singapore
- The worst time to visit Singapore
- Spring weather in Singapore
- Summer weather in Singapore
- Autumn weather in Singapore
- Winter weather in Singapore
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The colorful night skyline of Singapore city in Singapore
Climate and monthly weather forecast
The climate of Singapore
Located near the equator, Singapore experiences a tropical rainforest climate under the Köppen climate classification. This climate, also termed as 'Af', poses consistent weather patterns throughout the year. Every month, Singapore's temperatures remain relatively high, ranging from 23.3°C (73.9°F) to 31.7°C (89.1°F). The lowest average monthly temperature occurs in December, with a minimum of 23.5°C (74.3°F), while the highest peaks in April, averaging at 31.7°C (89.1°F).
Throughout the year, the humidity is quite uniform, fluctuating between 82.8% to 86.9%. The rainfall is a constant companion, with a minimum of 159mm (6.26") in July and reaching its peak in December with a substantial 287mm (11.3"). Moreover, the number of rainfall days differs slightly from month to month, falling between 11 to 19 days.
Due to its equatorial location, daylight remains almost constant throughout the year, with a minimal variation of 12.1h to 12.2h. Notably, despite the abundant rainfall, Singapore also enjoys a fair share of sunlight, with sunshine hours ranging from 4.3h in December to 6.5h in February. It is worth mentioning that the UV index in Singapore is consistently high, indicating a substantial level of ultraviolet radiation.
Throughout the year, the humidity is quite uniform, fluctuating between 82.8% to 86.9%. The rainfall is a constant companion, with a minimum of 159mm (6.26") in July and reaching its peak in December with a substantial 287mm (11.3"). Moreover, the number of rainfall days differs slightly from month to month, falling between 11 to 19 days.
Due to its equatorial location, daylight remains almost constant throughout the year, with a minimal variation of 12.1h to 12.2h. Notably, despite the abundant rainfall, Singapore also enjoys a fair share of sunlight, with sunshine hours ranging from 4.3h in December to 6.5h in February. It is worth mentioning that the UV index in Singapore is consistently high, indicating a substantial level of ultraviolet radiation.
The best time to visit Singapore
Regardless of the slightly varying conditions, an ideal time to visit Singapore, given its high temperatures and relatively lower rainfall, would be during the transitional months between summer and autumn. Specifically, June and July stand out when the average high temperature remains around 31°C (87.8°F), the rainfall stays below 163mm (6.42"), and the humidity hovers around 83%. Moreover, these months boast an impressive 12.2h of daylight and 5.9-6.1h of sunshine, enabling visitors to make the most of their stay.
The worst time to visit Singapore
Contrarily, Singapore's high rainfall makes December and adjacent months less ideal for a visit. Not only do these months record the highest rainfall figures between 257mm (10.12") and 287mm (11.3"), but also the number of rainfall days peak at 19. In addition, December experiences the least sunshine, averaging only 4.3h per day, potentially restricting outdoor activities.
Spring weather in Singapore
Spring in Singapore, spanning from March to May, is marked by gradually increasing temperatures and persistent rainfall. The temperatures fluctuate from a minimum of 23.9°C (75°F) to a high of 31.7°C (89.1°F) in May. Meanwhile, the rainfall varies between 171mm (6.73") in May to 186mm (7.32") in March. The number of rainfall days ranges from 14 to 15 days per month, ensuring the humidity remains high, from 83.8% to 84.8%.
Summer weather in Singapore
The summer months of June to August in Singapore are marked by relatively stable weather conditions. The temperatures linger from 24.8°C (76.6°F) to 31.3°C (88.3°F), and rainfall is moderate, averaging 162mm (6.38") in June and 175mm (6.89") in August. The number of sunlight hours also remains consistent, with 12.2h of daylight and around 5.9h of sunshine daily.
Autumn weather in Singapore
During the autumn period of September to November, Singapore witnesses a slight decline in temperatures from 24.1°C (75.4°F) to 30.6°C (87.1°F). Rainfall starts to increase, reaching 194mm (7.64") in October and peaking at 257mm (10.12") in November. The number of rainfall days also increases to 16 in October and 19 in November.
Winter weather in Singapore
In winter months of December and January, Singapore experiences its coolest temperatures of the year. The temperature dips from 23.5°C (74.3°F) to 30°C (86°F) in December and from 23.3°C (73.9°F) to 30.1°C (86.2°F) in January. Winter is also the wettest period, with rainfall shooting up to 287mm (11.3") in December and 243mm (9.57") in January. During these months, the number of rainfall days peaks at 19, marking a significantly damp period.
Weather in January
Singapore experiences a tropical climate in January. The weather is generally warm and humid and there is the likelihood of frequent thunderstorms inherent to this equatorial region. The city witnesses a high relative humidity of 84.7%, culminating in a significant rainfall accumulation of about 243mm (9.57"). Weather in January »
Weather in February
Moving into February, Singapore's weather conditions reflect a noticeable shift. While the humidity drops slightly to 82.8%, there's a corresponding decrease in rainfall; it drops to 160mm (6.3"), marking the driest month of the year. Weather in February »
Weather in March
Transitioning from February to March, weather conditions in Singapore exhibit a slight adjustment. A small rise in the average low temperatures signifies the onset of slightly warmer nights. Consequently, rainfall increases to 186mm (7.32") as the month progresses. Weather in March »
Weather in April
The weather in April continues Singapore's tropical trend, with relatively steady conditions. The minimal increase in rainfall makes it slightly wetter than March without causing any significant disruption. As the temperature continues its incremental increase, there's a simultaneous rise in sea temperatures, accounting for warmer swimming conditions. Weather in April »
Weather in May
May introduces slight variations in Singapore's weather compared to the preceding month of April. Remarkably, the average sea temperature peaks to a warm 30.2°C (86.4°F) - the highest annual sea temperature occurs in this month. Daylight hours extend marginally, enabling residents and tourists to make the most of the daylight. Weather in May »
Weather in June
June marks the mid-point of the year in Singapore. While there's a noticeable drop in relative humidity, the general climate parameters remain consistent with the preceding months. June's weather is marked by a slight dip in precipitation compared to May. Weather in June »
Weather in July
July in Singapore ushers in a continuation of the warm and humid conditions from June. Interestingly, the average daylight remains constant at 12.2 hours, offering ample time to enjoy the breadth of Singapore's attractions. Relative humidity and temperature show little variation, contributing to a fairly static climate throughout. Weather in July »
Weather in August
Moving into August, Singapore experiences a steady continuity in its typical climate conditions. An insignificant drop in sea temperatures does little to affect the pleasant swimming conditions typical of Singapore's tropical environment. Weather in August »
Weather in September
September marks the transition phase into the final quarter of the year in Singapore. The subtle dip in sea temperature to 29.4°C (84.9°F) slightly cools the bathing conditions but retains the inviting warmth familair to this region. Weather in September »
Weather in October
As the year progresses to October, Singapore's tropical weather reveals a transition towards wetter months. What sets October apart is a surge in rainfall to 194mm (7.64"), hinting towards increased frequency of showers and thunderstorms. Weather in October »
Weather in November
As November sets in, Singapore experiences a distinct shift in weather, marking the onset of the Northeast Monsoon. The highest relative humidity of the year is recorded at 86.4%, while the rainfall increases to a significant 257mm (10.12"). Weather in November »
Weather in December
December brings a close to the year in Singapore, continuing the trend of high precipitations from November. Notably, December receives the highest annual rainfall, with a measurement of 287mm (11.3"). This increase in precipitation follows in the footsteps of November's weather trend, indicating the height of the Northeast Monsoon. Weather in December »
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Singapore?
Throughout the year, there are 178 rainfall days, and 2343mm (92.24") of precipitation is accumulated.
When is the sea coldest in Singapore?
With an average sea temperature of 27.7°C (81.9°F), January is the month with the coldest seawater.
What is the month with the highest UV index in Singapore?
January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index.
What are the least humid months in Singapore?
February and July, with an average relative humidity of 82.8%, are the least humid months.
What month has the most sunshine in Singapore?
The month with the most sunshine in Singapore is February, with an average of 6.5h of sunshine.
What are the warmest months in Singapore?
With average high temperatures of 31.7°C (89.1°F) and lows of 24.4°C (75.9°F), April is the warmest month in Singapore.
What months are the sea warmest in Singapore?
May and June, with an average sea temperature of 30.2°C (86.4°F), are months with the warmest seawater in Singapore.
When are the longest days in Singapore?
June has the longest days of the year in Singapore, with an average of 12h and 12min of daylight.
When is the lowest UV index in Singapore?
June and July, with an average maximum UV index of 11, are months with the lowest UV index in Singapore.
What is the driest month in Singapore?
The month with the least rainfall in Singapore, Singapore, is July, when the rain falls for 13 days and typically collects 159mm (6.26") of precipitation.
What is the month with the least sunshine in Singapore?
The months with the least sunshine in Singapore are November and December, with an average of 4.3h of sunshine.
What are the coldest months in Singapore?
Singapore's coldest weather arrives in December, when temperatures average a high of 30°C (86°F) and a low of 23.5°C (74.3°F).
What is the most humid month in Singapore?
December is the most humid month, with an average relative humidity of 86.9%.
What is the wettest month in Singapore?
The month with the most rainfall in Singapore is December, when the rain falls for 19 days and typically aggregates up to 287mm (11.3") of precipitation.
What is the month with the shortest days in Singapore?
December has the shortest days of the year in Singapore, with an average of 12h and 0min of daylight.
Is there Daylight Saving Time (DST) in Singapore?
Singapore does not utilize Daylight Saving Time (DST). +08 timezone is used over the entire year.
Average temperature
Singapore, Singapore
The warmest month (with the highest average high temperature) is April (31.7°C).
The month with the lowest average high temperature is December (30°C).
The months with the highest average low temperature are May and June (24.8°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).
Average humidity
Singapore, Singapore
- Average humidity in January:
84.7% - Average humidity in February:
82.8% - Average humidity in March:
83.8% - Average humidity in April:
84.8% - Average humidity in May:
84.4% - Average humidity in June:
83%
The month with the highest relative humidity is December (86.9%).
The months with the lowest relative humidity are February and July (82.8%).
Average rainfall
Singapore, Singapore
- Average rainfall in January:
243.2mm - Average rainfall in February:
159.9mm - Average rainfall in March:
185.7mm - Average rainfall in April:
178.9mm - Average rainfall in May:
171.3mm - Average rainfall in June:
162.1mm
- Average rainfall in July:
158.7mm - Average rainfall in August:
175.4mm - Average rainfall in September:
169.2mm - Average rainfall in October:
193.8mm - Average rainfall in November:
256.9mm - Average rainfall in December:
287.4mm
The wettest month (with the highest rainfall) is December (287.4mm).
The driest month (with the least rainfall) is July (158.7mm).
Average rainfall days
Singapore, Singapore
- Average rainfall days in January:
15 days - Average rainfall days in February:
11 days - Average rainfall days in March:
14 days - Average rainfall days in April:
15 days - Average rainfall days in May:
15 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
14 days - Average rainfall days in September:
14 days - Average rainfall days in October:
16 days - Average rainfall days in November:
19 days - Average rainfall days in December:
19 days
The months with the highest number of rainy days are November and December (19 days).
The month with the least rainy days is February (11 days).
Average sea temperature
Singapore, Singapore
The best months for swimming (with the highest average sea temperature) are May and June (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).
Average daylight / Average sunshine
Singapore, Singapore
- Average daylight in January:
12h and 1min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 1min
- Average daylight in July:
12h and 1min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 1min - Average daylight in December:
12h and 0min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
5h and 5min - Average sunshine in May:
5h and 5min - Average sunshine in June:
5h and 5min
- Average sunshine in July:
6h and 1min - Average sunshine in August:
5h and 5min - Average sunshine in September:
5h and 1min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is February (Average sunshine: 6h and 30min).
The months with the least sunshine are November and December (Average sunshine: 4h and 18min).
Average UV index
Singapore, Singapore
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 11).
