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Contents
- The climate of Boon Lay
- The best time to visit Boon Lay
- The worst time to visit Boon Lay
- Spring weather in Boon Lay
- Summer weather in Boon Lay
- Autumn weather in Boon Lay
- Winter weather in Boon Lay
- 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 pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Boon Lay
Boon Lay in Singapore primarily experiences an Af or Tropical Rainforest climate per the Köppen climate classification. This Southeast Asian corner typically exhibits hot temperatures paired with high humidity throughout the year. Month to month deviations are minimal. This constant climate is primarily due to Boon Lay's proximity to the equator.
Average temperatures in Boon Lay remain consistently warm, with a range from 24.8°C (76.6°F) to 31.3°C (88.3°F). The highest monthly average high temperature is 31.3°C (88.3°F) in May, while the lowest monthly average low is 24.8°C (76.6°F) in January and February. Relative humidity levels remain high throughout the year, fluctuating between 74% to 81%. This contributes to a feeling of persistent warmth.
Significant variations are observed in the rainfall data. Monthly average rainfall ranges from 75mm (2.95") in September to 233mm (9.17") in December. Weather patterns show rainfall days varying from 23.3 days in February to 30.3 days in December. Weather conditions in Boon Lay seldom tend to be completely dry.
Despite cloud cover ranging between 33% to 50%, monthly average daylight hours remain steady at around 12.1 hours. The level of sunshine also stays relatively constant, with an average of about 8.5 hours of sunlight per day.
Average temperatures in Boon Lay remain consistently warm, with a range from 24.8°C (76.6°F) to 31.3°C (88.3°F). The highest monthly average high temperature is 31.3°C (88.3°F) in May, while the lowest monthly average low is 24.8°C (76.6°F) in January and February. Relative humidity levels remain high throughout the year, fluctuating between 74% to 81%. This contributes to a feeling of persistent warmth.
Significant variations are observed in the rainfall data. Monthly average rainfall ranges from 75mm (2.95") in September to 233mm (9.17") in December. Weather patterns show rainfall days varying from 23.3 days in February to 30.3 days in December. Weather conditions in Boon Lay seldom tend to be completely dry.
Despite cloud cover ranging between 33% to 50%, monthly average daylight hours remain steady at around 12.1 hours. The level of sunshine also stays relatively constant, with an average of about 8.5 hours of sunlight per day.
The best time to visit Boon Lay
Given the tropical climate, any time of the year can be suitable for a visit to Boon Lay, depending on personal comfort levels with humidity and rainfall. However, September offers the least rainfall, averaging 75mm (2.95") over 25.4 days. This month also experiences the lowest relative humidity at 74%, presenting potentially more comfortable weather for visitors not accustomed to high humidity.
The worst time to visit Boon Lay
December sees the highest rainfall in Boon Lay with an average of 233mm (9.17") spread over 30.3 days. As such, the frequency and amount of rainfall may prove inconvenient for sightseeing and outdoor activities. Furthermore, December exhibits the highest relative humidity at 81%, which combined with the high temperatures, could cause discomfort.
Spring weather in Boon Lay
The concept of 'spring' as known in temperate zones does not strictly apply in Boon Lay due to its equatorial location. However, if we take March to May as a reference, the average high temperatures peak at 31.3°C (88.3°F) while the average low remains at 26.3°C (79.3°F). These months experience rainfall from 128mm (5.04") to 141mm (5.55"). Despite the cloud cover of 37% to 35%, the months enjoy an average of about 8.6 hours of sunlight per day.
Summer weather in Boon Lay
Tropical "summer" in Boon Lay, spanning June through August, experiences average high temperatures ranging from 31.1°C (88°F) to 30.5°C (86.9°F), and average lows from 26.4°C (79.5°F) to 26.3°C (79.3°F). This period sees average rainfall between 112mm (4.41") in June to 93mm (3.66") in August. Humidity levels vary from 75% to 74%, which is slightly lower than preceding months.
Autumn weather in Boon Lay
Again, Boon Lay doesn't witness a typical "autumn" season. Yet for the span of September to November, the average high and low temperatures range from 30.7°C (87.3°F) to 30.5°C (86.9°F), and from 25.8°C (78.4°F) to 26°C (78.8°F), respectively. This period receives rainfall varying from the minimum of 75mm (2.95") in September to the much higher 198mm (7.8") in November. This illustrates a growing tendency towards the wetter end of the year.
Winter weather in Boon Lay
For the months of December to February, considered as "winter" in Boon Lay, the temperatures range between average highs of 29.5°C (85.1°F) to 30.1°C (86.2°F), and average lows of 24.8°C (76.6°F) to 25.3°C (77.5°F). Rainfall is at its peak during these months, with averages of 233mm (9.17") in December, 165mm (6.5") in January, and 107mm (4.21") in February. The number of rainfall days also hits its maximum in this period.
Weather in January
The weather in January at Boon Lay, Singapore, is generally overcast with high levels of humidity. This month experiences more rain than the ensuing period, with an average monthly rainfall of 165mm (6.5"). The constant rainfall casts a cool aura around the city, with minimal variance in the high and low temperatures. Weather in January »
Weather in February
Moving into February, Boon Lay continues to experience high humidity, though slightly less than the previous month. The city witnesses a modest decrease in rainfall, with the average monthly rainfall reduced to 107mm (4.21"). The comfortable high and low temperatures persist, making the climate pleasant. Weather in February »
Weather in March
As Boon Lay, Singapore transitions to March, the weather becomes slightly more stable. The city witnesses a relative increase in rainfall, with rainfall volume rising to 128mm (5.04"), while simultaneously experiencing a slight increase in daily temperatures. Weather in March »
Weather in April
April, often regarded as the town’s warmest month, sees an upswing in temperature, with the monthly lowest average temperature escalating to 26.3°C (79.3°F). However, the increase in temperature does not translate to a decrease in rainfall in Boon Lay, as it records 151mm (5.94") of rainfall. Weather in April »
Weather in May
May finds Boon Lay, Singapore in a slightly wetter and warmer state. Rainfall measurements show that May records 141mm (5.55") of rainfall, which is slightly lesser than that of April. While this month experiences a slight increase in the minimum temperature, the high temperature remains virtually unchanged. Weather in May »
Weather in June
Entering June, the weather pattern in Boon Lay, Singapore demonstrates remarkable stability. Rainfall decreases to 112mm (4.41"), constituting the lowest value for the first half of the year. Warm conditions persist, but the peak temperatures remain within a tolerable range. Weather in June »
Weather in July
July marks a distinct shift in Boon Lay's weather. The city records the least rainfall of the year at 95mm (3.74"), indicating the onset of a drier period. The warmth of summer remains unchanged, with daily temperatures maintaining consistency. Weather in July »
Weather in August
Boon Lay, Singapore experience minimal changes in the weather in August. The monthly rainfall begins to increase, inching up to 93mm (3.66") with temperatures maintaining consistency. Boon Lay's typically hot and humid climate continues to hold sway, despite the slight increase in rainfall. Weather in August »
Weather in September
The weather in Boon Lay continues its gradual transition into the wet season in September. There's a decrease in rainfall to 75mm (2.95"), marking the driest month of the year. However, the persistently warm temperature and moderate wind speed ensure the city’s typical tropical climate is in place. Weather in September »
Weather in October
October greets Boon Lay, Singapore with an amplified volume of rainfall, reaching 133mm (5.24"), signifying the beginning of the rainier part of the year. As the city wades into the wet season, temperatures remain consistent, contributing to the customary tropical climate. Weather in October »
Weather in November
As we approach the year end in Boon Lay, Singapore, the city sees a significant hike in rainfall with November recording a voluminous 198mm (7.8") precipitation, the highest in the second half of the year. The city's persistent tropical climate is further accentuated by this increased rainfall. Weather in November »
Weather in December
The weather in Boon Lay, Singapore attains its peak humidity in December, thereby marking the end of the rainy period. The city registers an all-time high rainfall of 233mm (9.17"), the highest for the entire year. The combination of high rainfall and warm temperatures leaves the city feeling humid and damp. Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Boon Lay?
Boon Lay's coldest months, January and December, record an average high-temperature of 29.5°C (85.1°F).
How many days does it rain in Boon Lay?
Throughout the year, in Boon Lay, Singapore, there are 327.3 rainfall days, and 1631mm (64.21") of precipitation is accumulated.
What are the months with the highest UV index in Boon Lay?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Boon Lay.
What are the months with the lowest UV index in Boon Lay?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Boon Lay, Singapore.
What is the warmest month in Boon Lay?
Boon Lay's temperature records reveal May as the warmest month, marked by average highs of 31.3°C (88.3°F) and lows of 26.8°C (80.2°F).
When are the longest days in Boon Lay?
The month with the longest days is June, with an average of 12h and 12min of daylight.
What is the driest month in Boon Lay?
September is the month with the least rainfall. Rain falls for 25.4 days and accumulates 75mm (2.95") of precipitation.
What month has the most sunshine in Boon Lay?
September has the most sunshine of the year in Boon Lay, with an average of 9h of sunshine.
What is the least humid month in Boon Lay?
October is the least humid month, with an average relative humidity of 73%.
What is the most humid month in Boon Lay?
December is the most humid month in Boon Lay, with an average relative humidity of 81%.
What is the rainiest month in Boon Lay?
The month with the most rainfall in Boon Lay is December, when the rain falls for 30.3 days and typically aggregates up to 233mm (9.17") of precipitation.
What is the month with the shortest days in Boon Lay?
December has the shortest days of the year in Boon Lay, with an average of 12h and 0min of daylight.
Is there Daylight Saving Time (DST) in Boon Lay?
Boon Lay does not observe Daylight Saving Time (DST). +08 timezone is used throughout the entire year.
What is the month with the least sunshine in Boon Lay?
With an average of 7.1h of sunshine, December has the least sunshine of the year.
Average temperature
Boon Lay, Singapore
The warmest month (with the highest average high temperature) is May (31.3°C).
The months with the lowest average high temperature are January and December (29.5°C).
The month with the highest average low temperature is May (26.8°C).
The coldest months (with the lowest average low temperature) are January and February (24.8°C).
Average pressure
Boon Lay, Singapore
- Average pressure in January:
1010.1mbar - Average pressure in February:
1010.2mbar - Average pressure in March:
1009.8mbar - Average pressure in April:
1009.1mbar - Average pressure in May:
1008.5mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1009.6mbar - Average pressure in October:
1009.4mbar - Average pressure in November:
1008.7mbar - Average pressure in December:
1009.2mbar
The month with the highest atmospheric pressure is February (1010.2mbar).
The month with the lowest atmospheric pressure is May (1008.5mbar).
Average wind speed
Boon Lay, Singapore
- Average wind speed in January:
11.8km/h - Average wind speed in February:
11.3km/h - Average wind speed in March:
8.9km/h - Average wind speed in April:
7km/h - Average wind speed in May:
7.1km/h - Average wind speed in June:
9km/h
- Average wind speed in July:
10.2km/h - Average wind speed in August:
10.4km/h - Average wind speed in September:
8.8km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
7.3km/h - Average wind speed in December:
10.1km/h
The windiest month (with the highest average wind speed) is January (11.8km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity
Boon Lay, Singapore
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Boon Lay, Singapore
- Average rainfall in January:
165mm - Average rainfall in February:
107mm - Average rainfall in March:
128mm - Average rainfall in April:
151mm - Average rainfall in May:
141mm - Average rainfall in June:
112mm
The wettest month (with the highest rainfall) is December (233mm).
The driest month (with the least rainfall) is September (75mm).
Average rainfall days
Boon Lay, Singapore
- Average rainfall days in January:
27.4 days - Average rainfall days in February:
23.3 days - Average rainfall days in March:
27.6 days - Average rainfall days in April:
28.3 days - Average rainfall days in May:
28.6 days - Average rainfall days in June:
25.8 days
- Average rainfall days in July:
26.1 days - Average rainfall days in August:
27.9 days - Average rainfall days in September:
25.4 days - Average rainfall days in October:
27.4 days - Average rainfall days in November:
29.2 days - Average rainfall days in December:
30.3 days
The month with the highest number of rainy days is December (30.3 days).
The month with the least rainy days is February (23.3 days).
Average daylight / Average sunshine
Boon Lay, 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:
7h and 4min - Average sunshine in February:
8h and 1min - Average sunshine in March:
8h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
8h and 3min - Average sunshine in August:
8h and 3min - Average sunshine in September:
9h and 0min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 3min - Average sunshine in December:
7h and 1min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Boon Lay, Singapore
- Average sunshine days in January:
1.6 days - Average sunshine days in February:
3.6 days - Average sunshine days in March:
1.9 days - Average sunshine days in April:
0.9 days - Average sunshine days in May:
1.2 days - Average sunshine days in June:
2.3 days
- Average sunshine days in July:
2.5 days - Average sunshine days in August:
1.7 days - Average sunshine days in September:
2.6 days - Average sunshine days in October:
2.4 days - Average sunshine days in November:
0.5 days - Average sunshine days in December:
0.4 days
The month with the most sunshine days is February (3.6 days).
The month with the least sunshine days is December (0.4 days).
Average UV index
Boon Lay, Singapore
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Boon Lay, Singapore
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Boon Lay, Singapore
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
Boon Lay, Singapore
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