General Santos weather in May

In May, General Santos sees average daytime highs of 30°C and overnight lows near 23°C, with 297 mm of rain across 27 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is General Santos's 7th-clearest and 10th-windiest month. For the whole year in context, see General Santos's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
23°
12th coldest
Rainfall
297 mm
27 wet days
Daylight
12 h 18 min
5:27 AM – 5:44 PM
Cloud cover
81%
7th clearest
Wind
5 km/h
10th windiest
Solar energy
5.21 kWh/m²
Travel score
2.9
out of 10

General Santos is City in the Philippines.

Density
1,465/km²
people per km²
Founded
1947

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in General Santos reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in General Santos

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.

General Santos weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°19819.211.74.0
Feb30° / 22°15014.811.84.1
Mar31° / 22°16317.7123.9
Apr31° / 23°1942012.13.4
May30° / 23°2972712.32.9
Jun29° / 23°32227.512.33.0
Jul29° / 22°24827.212.33.2
Aug29° / 22°22526.212.23.4
Sep29° / 22°19624.5123.3
Oct30° / 22°27025.811.93.1
Nov30° / 22°25625.211.73.2
Dec30° / 22°20822.511.73.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22575
32575
42377
52179
62179
71882
81882
91882
101783
111684
121684
131585
141585
151585
161585
171684
181882
191882
201882
211882
221882
231882
241981
251981
261981
271981
281783
291783
301783
311684

Chance of precipitation in May

Any precipitation

General Santos gets around 297 mm of rain over 27 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 86% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
177
278
379
480
581
683
784
885
986
1087
1188
1289
1389
1489
1590
1690
1789
1889
1989
2089
2189
2288
2388
2488
2588
2688
2788
2888
2988
3088
3188

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
127325
227226
327028
417029
516930
616831
716732
816732
916633
1016633
1106733
1206733
1306733
1406733
1506733
1606634
1706634
1806634
1906634
2006634
2106634
2206634
2306634
2406634
2506634
2606634
2706634
2806733
2906733
3006733
3106832

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 6 minutes over May. Sunrise moves from 5:30 AM to 5:27 AM, and sunset from 5:43 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:305:43
212.25:305:43
312.25:305:43
412.25:295:43
512.25:295:43
612.25:295:43
712.25:295:43
812.25:285:43
912.25:285:43
1012.35:285:43
1112.35:285:43
1212.35:285:43
1312.35:285:44
1412.35:275:44
1512.35:275:44
1612.35:275:44
1712.35:275:44
1812.35:275:44
1912.35:275:44
2012.35:275:44
2112.35:275:45
2212.35:275:45
2312.35:275:45
2412.35:275:45
2512.35:275:45
2612.35:275:45
2712.35:275:46
2812.35:275:46
2912.35:275:46
3012.35:275:46
3112.35:275:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.21 kWh/m².

For context, solar energy here swings from a low near 4.73 kWh/m² to a high of 5.88 kWh/m² in April across the year — May's 5.21 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in May

Hazard calendar for General Santos

In seasonPeak

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

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

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

Is May a good time to visit General Santos?

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

2.9
Sightseeing
12th-best month of the year
4.1
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in General Santos.

What to pack for General Santos in May

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

In May, General Santos sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near General Santos 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 at the nearest coast (about 27 km away) is warmest in May at about 29°C and coldest in January near 29°C.

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

28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in General Santos 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 General Santos peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Dec 13UV 11
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme
Location & terrain

Where is General Santos?

General Santos sits at 6.1°N, 125.2°E, 22 m above sea level, in Philippines. The nearest listed city is Alabel, 13 km away.

Topography around General Santos

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

Within 3 km, the terrain around General Santos has only modest variations in elevation — a maximum elevation change of 56 m around an average of 17 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 702 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,255 m.

The land around General Santos is covered by artificial surfaces (43%), trees (27%) and water (26%) within 3 km, trees (46%) and water (25%) within 16 km, and trees (50%) and water (39%) within 80 km.

3 km
56 m
16 km
702 m
80 km
2,255 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Alabel 13 km · Polomolok 17 km · Malapatan 21 km · Maluñgun 22 km · Glan 32 km · Tupi 35 km · Lambayong 47 km · Lake Sebu 52 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 General Santos (6.1128°, 125.1717°, elevation 22 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).