Serangoon climate — normals and trends
Serangoon (Singapore) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 2,116 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is June (27.7 °C on average) and the coldest is January (25.9 °C). Rainfall peaks in November.
Serangoon averages 0 frost days, 1 hot days (≥ 30 °C) and 269 rainy days per year.
Serangoon has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.6 °C (on 13 May 2023) and the coldest 23.6 °C (on 2 February 1946).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Serangoon
- coords
- 1.36°, 103.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
27.8°C
Average daily low
26.0°C
Annual rainfall
2,116mm
Sunshine / day
10.3h
Mean relative humidity
82%
Average peak wind
19.6km/h
Seasonal range
1.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
269 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.4 °C
Average feels-like low
29.4 °C
Average peak gust
28.4 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.64 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
30.6 °C
13 May 2023
Coldest day
23.6 °C
2 February 1946
Wettest day
349 mm
19 January 1993
Windiest day
48.2 km/h
16 January 1951
Strongest gust
63.7 km/h
16 January 1951
Hottest feels-like
38.2 °C
21 May 2020
Coldest feels-like
23.3 °C
6 January 1974
Sunniest day
12.0 h
18 April 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 27.1 °C | +0.3 °C | 559 mm | +385 mm |
| Feb | 27.5 °C | +0.3 °C | 98 mm | -3 mm |
| Mar | 28.0 °C | +0.3 °C | 356 mm | +226 mm |
| Apr | 28.4 °C | +0.2 °C | 208 mm | +46 mm |
| May | 29.4 °C | +0.8 °C | 190 mm | -5 mm |
| Jun | 29.3 °C | +0.7 °C | 115 mm | -56 mm |
| Jul | 29.0 °C | +0.8 °C | 86 mm | -84 mm |
| Aug | 28.6 °C | +0.6 °C | 181 mm | +16 mm |
| Sep | 28.5 °C | +0.6 °C | 184 mm | +31 mm |
| Oct | 28.7 °C | +0.8 °C | 145 mm | -44 mm |
| Nov | 28.6 °C | +1.1 °C | 287 mm | +34 mm |
| Dec | 27.7 °C | +0.7 °C | 386 mm | +134 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Serangoon?
Serangoon has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 2,116 mm of precipitation per year.
What is the hottest day ever recorded in Serangoon?
The hottest day measured in Serangoon between 1940 and 2025 was 13 May 2023, reaching 30.6 °C.
What is the coldest day in Serangoon?
The coldest day measured in Serangoon between 1940 and 2025 was 2 February 1946, at 23.6 °C.
Does it snow in Serangoon?
Almost never: Serangoon sees virtually no snow, with about 0 frost days per year.
Has the climate of Serangoon warmed?
Yes: Serangoon warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Serangoon?
The wettest day measured in Serangoon between 1940 and 2025 was 19 January 1993, with 349 mm of rain in 24 hours.
What was the windiest day in Serangoon?
The windiest day measured in Serangoon between 1940 and 2025 was 16 January 1951, with winds reaching 48.2 km/h.
What is the warmest month in Serangoon?
The warmest month in Serangoon is June (27.7 °C on average); the coldest is January (25.9 °C).
How much does it rain in Serangoon?
Serangoon receives on average 2,116 mm of precipitation per year, spread over about 269 rainy days.
Is it sunny in Serangoon?
Serangoon gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Serangoon?
Yes: Serangoon has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Serangoon?
In Serangoon, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 21 May 2020, and the lowest was 23.3 °C on 6 January 1974.
Compare Serangoon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Serangoon