Serangoon weather in January

In January, Serangoon sees average daytime highs of 27°C and overnight lows near 25°C, with 198 mm of rain across 19.2 wet days and about 11.9 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Serangoon's 10th-clearest and 1st-windiest month. For the whole year in context, see Serangoon's year-round climate.

Daytime high
27°
12th warmest
Overnight low
25°
1st coldest
Rainfall
198 mm
19.2 wet days
Daylight
11 h 54 min
7:16 AM – 7:12 PM
Cloud cover
82%
10th clearest
Wind
20 km/h
1st windiest
Solar energy
4.83 kWh/m²
Travel score
4.9
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Serangoon reaches about 27°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32725
42725
52725
62725
72725
82725
92725
102725
112725
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725
312725

How January really feels in Serangoon

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Serangoon weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°19819.211.94.9
Feb27° / 26°9712.9125.5
Mar28° / 26°14519.8124.7
Apr28° / 26°18225.2123.6
May29° / 27°21026.212.13.5
Jun29° / 27°19322.812.13.8
Jul28° / 27°1882312.14.0
Aug28° / 26°16422.2124.1
Sep28° / 26°14819.8124.3
Oct28° / 26°19023.7124.0
Nov28° / 26°29027.711.93.5
Dec27° / 26°29924.911.94.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21585
31585
41684
51783
61783
71882
81882
91981
102080
112080
122080
131981
141981
151981
161981
171981
181882
191882
201882
211882
221783
231882
241882
251783
261783
271783
281783
291783
301783
311783

Chance of precipitation in January

Any precipitation

Serangoon gets around 198 mm of rain over 19.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 62% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
270
370
469
569
668
767
866
965
1064
1163
1262
1361
1461
1560
1659
1759
1858
1957
2057
2157
2257
2358
2458
2558
2658
2758
2858
2957
3057
3156

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the oppressive band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
118217
218217
318217
418217
518217
618217
718217
818217
918217
1018316
1128216
1228315
1328315
1428414
1528414
1628513
1728513
1838512
1938512
2038512
2138512
2238512
2338512
2438512
2538512
2638512
2738512
2838512
2938512
3038512
3128612

Wind in January

Winds average 20 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 54 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 7:10 AM to 7:20 AM, and sunset from 7:05 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:107:05
211.97:107:06
311.97:117:06
411.97:117:07
511.97:127:07
611.97:127:07
711.97:127:08
811.97:137:08
911.97:137:09
1011.97:147:09
1111.97:147:10
1211.97:147:10
1311.97:157:10
1411.97:157:11
1511.97:157:11
1611.97:167:12
1711.97:167:12
1811.97:167:12
1911.97:177:13
2011.97:177:13
2111.97:177:13
2211.97:187:14
2311.97:187:14
2411.97:187:14
2511.97:187:14
2611.97:197:15
2711.97:197:15
2811.97:197:15
2911.97:197:16
3011.97:197:16
3111.97:207:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 5.61 kWh/m² in March across the year — January's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.1Bright
Planning a trip in January

Is January a good time to visit Serangoon?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.9
Sightseeing
2nd-best month of the year
5.0
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Serangoon for sightseeing.

What to pack for Serangoon in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Serangoon sees daytime highs around 27°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 19 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Serangoon in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in May at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Serangoon in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Serangoon peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 22UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug13Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Serangoon in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Serangoon is worst in October — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 933 µg/m³Jan 2214 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar15Moderate
Apr21Moderate
May25Moderate
Jun25Moderate
Jul25Moderate
Aug27Moderate
Sep33Moderate
Oct33Moderate
Nov22Moderate
Dec16Moderate
Location & terrain

Where is Serangoon?

Serangoon sits at 1.4°N, 103.9°E, 8 m above sea level, in Singapore. The nearest listed city is Hougang New Town, 1.0 km away.

Kaki Bukit EstateSengkang New TownSerangoon New TownMatilda EstateKampong Pasir Ris

Topography around Serangoon

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Serangoon.

Within 3 km, the terrain around Serangoon has only modest variations in elevation — a maximum elevation change of 58 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 218 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Serangoon is covered by artificial surfaces (63%) and trees (23%) within 3 km, artificial surfaces (33%), water (33%) and trees (22%) within 16 km, and water (54%) and trees (36%) within 80 km.

3 km
58 m
16 km
218 m
80 km
656 m
treesgrasslandartificial surfacesbare terrainwatermangroves
January weather nearby: Hougang New Town 1.0 km · Paya Lebar 1.0 km · Kangkar 2.0 km · Kaki Bukit Estate 3.0 km · Sengkang New Town 3.0 km · Serangoon New Town 3.0 km · Matilda Estate 4.0 km · Kampong Pasir Ris 4.0 km

Singapore travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / G / M
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$98,814
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.1
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Buddhist 31%none 20%Christian 19%Muslim 16%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Serangoon (1.3628°, 103.8975°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).