Sibulan weather in May

In May, Sibulan sees average daytime highs of 31°C and overnight lows near 25°C, with 161 mm of rain across 22.2 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 13% 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 Sibulan's 6th-clearest and 11th-windiest month. For the whole year in context, see Sibulan's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
25°
12th coldest
Rainfall
161 mm
22.2 wet days
Daylight
12 h 24 min
5:30 AM – 5:56 PM
Cloud cover
75%
6th clearest
Wind
7 km/h
11th windiest
Solar energy
5.9 kWh/m²
Travel score
3.0
out of 10

Sibulan is municipality of the Philippines in the province of Negros Oriental.

Density
172/km²
people per km²

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 31°C through the month.

A typical May day in Sibulan reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°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)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How May really feels in Sibulan

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.

Sibulan weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°11217.611.54.4
Feb30° / 24°10612.711.74.7
Mar30° / 24°8912.211.94.5
Apr32° / 25°7412.412.24.0
May31° / 25°16122.212.43.0
Jun30° / 25°24926.712.52.8
Jul30° / 25°27827.712.52.9
Aug30° / 25°24025.312.33.1
Sep30° / 25°24726.312.12.9
Oct30° / 25°25628.111.82.9
Nov30° / 25°17624.311.63.2
Dec29° / 24°16522.311.53.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 73%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
33862
43763
53565
63367
73268
83070
93070
102971
112773
122773
132773
142674
152575
162575
172575
182575
192575
202377
212377
222377
232278
242278
252179
262179
272080
281981
292080
301882
311882

Chance of precipitation in May

Any precipitation

Sibulan gets around 161 mm of rain over 22.2 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 71% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
254
355
457
558
660
762
863
965
1066
1168
1269
1371
1472
1573
1674
1775
1876
1977
2077
2178
2278
2379
2479
2579
2680
2780
2880
2980
3081
3181

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
115148
215050
314851
414752
514653
614554
714356
814257
904060
1003961
1103763
1203664
1303466
1403367
1503169
1603070
1702872
1802674
1902476
2002377
2102179
2202080
2301981
2401882
2501882
2601882
2701783
2801783
2901783
3001783
3101783

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:34 AM to 5:29 AM, and sunset from 5:54 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:345:54
212.35:345:54
312.35:345:54
412.35:335:54
512.45:335:54
612.45:335:54
712.45:325:54
812.45:325:55
912.45:325:55
1012.45:325:55
1112.45:315:55
1212.45:315:55
1312.45:315:55
1412.45:315:56
1512.45:305:56
1612.45:305:56
1712.45:305:56
1812.45:305:56
1912.45:305:57
2012.45:305:57
2112.55:305:57
2212.55:305:57
2312.55:295:57
2412.55:295:58
2512.55:295:58
2612.55:295:58
2712.55:295:58
2812.55:295:59
2912.55:295:59
3012.55:295:59
3112.55:295:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.9 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.53 kWh/m² in April across the year — May's 5.9 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.2Intense
36.2Intense
46.2Intense
56.1Intense
66.1Intense
76.1Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Sibulan

In seasonPeak

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

Sibulan 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 Sibulan?

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

3.0
Sightseeing
8th-best month of the year
4.7
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Sibulan.

What to pack for Sibulan in May

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

In May, Sibulan sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Sibulan 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 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Sibulan 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 Sibulan peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 highMar 21UV 15Dec 12UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high
Location & terrain

Where is Sibulan?

Sibulan sits at 9.4°N, 123.3°E, 10 m above sea level, in Philippines. The nearest listed city is Dumaguete, 6.0 km away.

Topography around Sibulan

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

Within 3 km, the terrain around Sibulan has only modest variations in elevation — a maximum elevation change of 105 m around an average of 12 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,704 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,813 m.

The land around Sibulan is covered by water (47%) and trees (39%) within 3 km, trees (48%) and water (48%) within 16 km, and water (64%) and trees (32%) within 80 km.

3 km
105 m
16 km
1,704 m
80 km
1,813 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Dumaguete 6.0 km · Tanjay 22 km · Bais 31 km · Santa Catalina 46 km · Bayawan 53 km · Tagbilaran 70 km · Dapitan 80 km · Sibonga 82 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 Sibulan (9.3584°, 123.285°, elevation 10 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).