Siargao weather in May

In May, Siargao sees average daytime highs of 28°C and overnight lows near 27°C, with 99 mm of rain across 18.1 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Siargao's 3rd-clearest and 8th-windiest month. For the whole year in context, see Siargao's year-round climate.

Daytime high
28°
5th warmest
Overnight low
27°
8th coldest
Rainfall
99 mm
18.1 wet days
Daylight
12 h 30 min
5:19 AM – 5:46 PM
Cloud cover
67%
3rd clearest
Wind
14 km/h
8th windiest
Solar energy
5.93 kWh/m²
Travel score
4.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Siargao reaches about 28°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202927
212927
222927
232927
242927
252927
262927
272927
282927
292927
302927
312927

How May really feels in Siargao

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Siargao weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34456
44258
54258
64159
73961
83961
93862
103763
113763
123664
133664
143862
153763
163763
173763
183763
193961
203961
213961
223961
233961
243763
253763
263763
273565
283565
293466
303367
313268

Chance of precipitation in May

Any precipitation

Siargao gets around 99 mm of rain over 18.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 66% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
366
466
566
666
766
865
965
1064
1163
1262
1361
1460
1559
1658
1757
1856
1954
2053
2152
2252
2351
2451
2551
2651
2751
2851
2951
3052
3153

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12575
22476
32377
42278
52179
62080
71981
81882
91882
101783
111783
121684
131684
141684
151684
161684
171684
181684
191783
201783
211783
221783
231783
241783
251783
261783
271783
281684
291684
301684
311585

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:23 AM to 5:17 AM, and sunset from 5:43 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:235:43
212.45:225:43
312.45:225:44
412.45:225:44
512.45:215:44
612.45:215:44
712.45:215:44
812.45:205:44
912.45:205:44
1012.45:205:44
1112.45:205:45
1212.45:195:45
1312.45:195:45
1412.45:195:45
1512.45:195:45
1612.55:195:46
1712.55:185:46
1812.55:185:46
1912.55:185:46
2012.55:185:46
2112.55:185:47
2212.55:185:47
2312.55:185:47
2412.55:185:47
2512.55:175:48
2612.55:175:48
2712.55:175:48
2812.55:175:48
2912.55:175:49
3012.55:175:49
3112.55:175:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.93 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 — May's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Bright
66.0Bright
76.0Bright
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Siargao

In seasonPeak

In May, Siargao sits inside its pacific typhoon 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 May a good time to visit Siargao?

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

4.7
Sightseeing
2nd-best month of the year
5.6
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Siargao for sightseeing.

What to pack for Siargao in May

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

In May, Siargao sees daytime highs around 28°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Siargao in May

The nearest coast averages about 29°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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
May 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).