Sumag weather in January

In January, Sumag sees average daytime highs of 29°C and overnight lows near 23°C, with 131 mm of rain across 16.1 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 19% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Sumag's 4th-clearest and 1st-windiest month. For the whole year in context, see Sumag's year-round climate.

Daytime high
29°
12th warmest
Overnight low
23°
2nd coldest
Rainfall
131 mm
16.1 wet days
Daylight
11 h 24 min
6:14 AM – 5:41 PM
Cloud cover
70%
4th clearest
Wind
12 km/h
1st windiest
Solar energy
4.41 kWh/m²
Travel score
4.4
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Sumag reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
293023
303023
313023

How January really feels in Sumag

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sumag weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°13116.111.44.4
Feb30° / 23°1151211.64.5
Mar31° / 23°12514.111.94.0
Apr32° / 24°13215.912.23.3
May32° / 25°29226.412.52.5
Jun30° / 24°42128.812.62.5
Jul30° / 24°45730.112.62.7
Aug30° / 24°39228.812.32.8
Sep30° / 24°3922912.12.7
Oct30° / 24°36429.311.82.7
Nov30° / 24°23724.211.53.1
Dec30° / 24°23621.911.43.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33268
43367
53367
63268
73268
83268
93169
103169
113169
123169
133169
143169
153169
163169
173169
183268
193268
203367
213466
223466
233565
243763
253763
263862
273862
283862
293961
303961
314060

Chance of precipitation in January

Any precipitation

Sumag gets around 131 mm of rain over 16.1 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 53% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
457
557
657
756
856
956
1055
1155
1255
1354
1454
1554
1653
1753
1852
1951
2051
2150
2250
2349
2449
2548
2648
2747
2847
2947
3047
3147

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
146828
246927
347125
447224
547323
647521
737720
837819
937918
1038017
1138116
1238215
1338215
1438314
1538413
1638413
1738413
1838413
1948313
2048313
2148313
2248313
2348313
2458213
2558213
2658213
2758213
2858213
2958213
3058213
3148313

Wind in January

Winds average 12 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:10 AM to 6:16 AM, and sunset from 5:33 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:105:33
211.46:105:34
311.46:115:34
411.46:115:35
511.46:115:35
611.46:125:36
711.46:125:36
811.46:125:37
911.46:135:37
1011.46:135:38
1111.46:135:38
1211.46:135:39
1311.46:145:39
1411.46:145:40
1511.46:145:40
1611.46:145:41
1711.46:155:41
1811.56:155:42
1911.56:155:42
2011.56:155:43
2111.56:155:43
2211.56:155:44
2311.56:155:44
2411.56:165:45
2511.56:165:45
2611.56:165:46
2711.56:165:46
2811.56:165:46
2911.56:165:47
3011.56:165:47
3111.56:165:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.41 kWh/m².

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 6.15 kWh/m² in April across the year — January's 4.41 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in January

Hazard calendar for Sumag

In seasonPeak

In January, Sumag sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sumag sits in the Pacific typhoon belt; the season peaks July–October.

Sumag's rainy season runs May–December, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Sumag?

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

4.4
Sightseeing
2nd-best month of the year
5.8
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Sumag for sightseeing.

What to pack for Sumag in January

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

In January, Sumag sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

Sea temperature near Sumag in January

The nearest coast averages about 27°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in February near 27°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
Jan27Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Sumag in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sumag peaks around March 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 24UV 14Nov 23UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Sumag 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 Sumag is worst in September — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2317 µg/m³Feb 1113 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar14Moderate
Apr15Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug16Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Sumag?

Sumag sits at 10.6°N, 122.9°E, 6 m above sea level, in Philippines. The nearest listed city is Taloc, 4.0 km away.

Topography around Sumag

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

Within 3 km, the terrain around Sumag has only modest variations in elevation — a maximum elevation change of 25 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 193 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,458 m.

The land around Sumag is covered by water (30%), trees (25%) and cropland (22%) within 3 km, water (39%) and cropland (30%) within 16 km, and water (44%) and trees (40%) within 80 km.

3 km
25 m
16 km
193 m
80 km
2,458 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Taloc 4.0 km · Mansilingan 7.0 km · Bacolod City 8.0 km · Bago City 12 km · Murcia 13 km · Maao 15 km · Pulupandan 16 km · Talisay 16 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

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 Sumag (10.6014°, 122.9192°, elevation 6 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).