Siargao weather in January

In January, Siargao sees average daytime highs of 27°C and overnight lows near 26°C, with 388 mm of rain across 27.3 wet days and about 11.5 hours of daylight. It is the 11th-warmest and 1st-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 16% 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 36 min by month's end. Set against the rest of the year, January is Siargao's 6th-clearest and 1st-windiest month. For the whole year in context, see Siargao's year-round climate.

Daytime high
27°
11th warmest
Overnight low
26°
2nd coldest
Rainfall
388 mm
27.3 wet days
Daylight
11 h 30 min
6:01 AM – 5:30 PM
Cloud cover
73%
6th clearest
Wind
22 km/h
1st windiest
Solar energy
4.18 kWh/m²
Travel score
3.9
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 Siargao reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°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
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232725
242725
252725
262725
272725
282725
292725
302725
312725

How January really feels in Siargao

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.

Siargao weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°38827.311.53.9
Feb27° / 25°2802311.74.2
Mar27° / 26°20523.311.94.5
Apr28° / 26°12420.112.24.9
May28° / 27°9918.112.44.7
Jun29° / 27°13520.312.64.1
Jul29° / 27°1261912.54.2
Aug29° / 27°941512.34.6
Sep29° / 27°1121712.14.4
Oct28° / 27°16722.111.84.1
Nov28° / 26°26425.311.54.0
Dec27° / 26°32127.711.43.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42872
52971
62971
72971
82971
92971
102971
112872
122971
132971
142971
152971
163070
173070
183169
193268
203268
213367
223466
233466
243466
253565
263664
273763
283763
293763
303763
313763

Chance of precipitation in January

Any precipitation

Siargao gets around 388 mm of rain over 27.3 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
292
391
491
591
691
790
890
989
1088
1188
1287
1387
1486
1586
1686
1786
1886
1986
2086
2186
2286
2387
2487
2587
2687
2787
2886
2986
3086
3186

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
126038
226236
326434
426632
526731
626929
727028
827226
927325
1027523
1127622
1227721
1337720
1437819
1537918
1638017
1738017
1838116
1938215
2038215
2138314
2238413
2338413
2438512
2538512
2638512
2738611
2848511
2948511
3048511
3148610

Wind in January

Winds average 22 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 5:56 AM to 6:02 AM, and sunset from 5:22 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:565:22
211.45:565:22
311.45:575:23
411.45:575:23
511.45:575:24
611.45:585:24
711.45:585:25
811.55:585:26
911.55:595:26
1011.55:595:27
1111.55:595:27
1211.56:005:28
1311.56:005:28
1411.56:005:29
1511.56:005:29
1611.56:015:30
1711.56:015:30
1811.56:015:30
1911.56:015:31
2011.56:015:31
2111.56:025:32
2211.56:025:32
2311.56:025:33
2411.56:025:33
2511.56:025:34
2611.56:025:34
2711.56:025:35
2811.56:025:35
2911.66:025:35
3011.66:025:36
3111.66:025:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.18 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 6.11 kWh/m² in April across the year — January's 4.18 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in January

Hazard calendar for Siargao

In seasonPeak

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

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

Siargao's rainy season runs November–March, 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 Siargao?

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

3.9
Sightseeing
11th-best month of the year
4.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Siargao.

What to pack for Siargao in January

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

In January, Siargao sees daytime highs around 27°C and nights near 26°C. Pack rain gear. Worth having: light clothes and a windbreaker. About 27 days see rain.

rain gearlight clothesa windbreaker

Sea temperature near Siargao 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 offshore is warmest in June at about 30°C and coldest in February 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
Mar28Warm
Apr29Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Siargao 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 Siargao peaks around April 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highApr 10UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high
Location & terrain

Where is Siargao?

Siargao sits at 9.9°N, 126.1°E, 0 m above sea level, in Philippines. The nearest listed city is Surigao, 62 km away.

TandagCabadbaranButuanLibertadBuenavistaBayugan

Topography around Siargao

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

Within 3 km, the terrain around Siargao has only modest variations in elevation — a maximum elevation change of 226 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 254 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,784 m.

The land around Siargao is covered by trees (84%) within 3 km, water (46%) and trees (40%) within 16 km, and water (73%) and trees (23%) within 80 km.

3 km
226 m
16 km
254 m
80 km
1,784 m
treesgrasslandcroplandwatermangroves
January weather nearby: Surigao 62 km · San Jose 63 km · Tandag 90 km · Cabadbaran 101 km · Butuan 117 km · Libertad 119 km · Buenavista 122 km · Bayugan 128 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 Siargao (9.8708°, 126.0511°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).