Surallah weather in May

In May, Surallah sees average daytime highs of 32°C and overnight lows near 24°C, with 173 mm of rain across 24.2 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 9% 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 Surallah's 7th-clearest and 5th-windiest month. For the whole year in context, see Surallah's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
24°
12th coldest
Rainfall
173 mm
24.2 wet days
Daylight
12 h 18 min
5:29 AM – 5:46 PM
Cloud cover
79%
7th clearest
Wind
3 km/h
5th windiest
Solar energy
4.98 kWh/m²
Travel score
2.6
out of 10

Surallah is municipality of the Philippines in the province of South Cotabato.

Density
169/km²
people per km²
Founded
1961

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 32°C through the month.

A typical May day in Surallah reaches about 32°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in Surallah

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.

Surallah weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°11815.911.74.1
Feb31° / 23°8613.511.84.0
Mar32° / 23°9214.3123.6
Apr33° / 24°9914.312.13.1
May32° / 24°17324.212.32.6
Jun31° / 23°19925.412.42.7
Jul30° / 23°19425.212.33.0
Aug31° / 23°17322.912.23.1
Sep31° / 23°16823123.0
Oct31° / 23°19024.811.92.9
Nov31° / 23°13721.311.73.2
Dec30° / 23°11117.811.63.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22872
32773
42575
52575
62278
72278
82179
92080
101981
111882
121882
131882
141882
151882
161882
171882
181882
191981
201981
212080
222080
232080
242179
252179
262080
272080
282080
292080
301981
311981

Chance of precipitation in May

Any precipitation

Surallah gets around 173 mm of rain over 24.2 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 77% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
165
266
368
469
571
672
774
875
976
1077
1178
1279
1379
1480
1580
1680
1780
1880
1980
2080
2180
2280
2380
2480
2579
2679
2779
2879
2979
3079
3180

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1111844
2111844
3110854
419864
508875
608875
707885
806895
906895
1005896
1104906
1204906
1303907
1403907
1503907
1602908
1702908
1802908
1902899
2002899
21028810
22028810
23018910
24018811
25018811
26018811
27018811
28018811
29018811
30018811
31018811

Wind in May

Winds average 3 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

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 5:32 AM to 5:28 AM, and sunset from 5:45 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:325:45
212.25:315:45
312.25:315:45
412.25:315:45
512.25:315:45
612.25:305:45
712.35:305:45
812.35:305:45
912.35:305:45
1012.35:295:45
1112.35:295:45
1212.35:295:45
1312.35:295:46
1412.35:295:46
1512.35:295:46
1612.35:295:46
1712.35:285:46
1812.35:285:46
1912.35:285:46
2012.35:285:47
2112.35:285:47
2212.35:285:47
2312.35:285:47
2412.35:285:47
2512.35:285:47
2612.35:285:48
2712.35:285:48
2812.35:285:48
2912.35:285:48
3012.35:285:48
3112.35:285:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 5.71 kWh/m² in April across the year — May's 4.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in May

Hazard calendar for Surallah

In seasonPeak

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

Surallah 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 Surallah?

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

2.6
Sightseeing
12th-best month of the year
4.3
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Surallah.

What to pack for Surallah in May

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

In May, Surallah sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Surallah in May

The nearest coast averages about 30°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 49 km away) is warmest in May at about 30°C and coldest in February 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
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Surallah 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 Surallah peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 15Dec 12UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Surallah in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Surallah is worst in March — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1323 µg/m³Jun 2316 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb21Moderate
Mar23Moderate
Apr18Moderate
May17Moderate
Jun16Moderate
Jul16Moderate
Aug16Moderate
Sep19Moderate
Oct19Moderate
Nov18Moderate
Dec19Moderate
Location & terrain

Where is Surallah?

Surallah sits at 6.4°N, 124.7°E, 195 m above sea level, in Philippines. The nearest listed city is Banga, 6.0 km away.

Topography around Surallah

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

Within 3 km, the terrain around Surallah has only modest variations in elevation — a maximum elevation change of 57 m around an average of 190 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 969 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,255 m.

The land around Surallah is covered by cropland (48%) and trees (38%) within 3 km, trees (66%) and cropland (22%) within 16 km, and trees (57%) and water (21%) within 80 km.

3 km
57 m
16 km
969 m
80 km
2,255 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Banga 6.0 km · Lake Sebu 17 km · Koronadal 18 km · Norala 19 km · Tupi 23 km · Isulan 32 km · Tacurong 36 km · Lambayong 37 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 Surallah (6.3753°, 124.7452°, elevation 195 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).