Ngerulmud weather in May

In May, Ngerulmud sees average daytime highs of 28°C and overnight lows near 26°C, with 269 mm of rain across 25.8 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 5th-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 16% 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 24 min by month's end. Set against the rest of the year, May is Ngerulmud's 7th-clearest and 11th-windiest month. For the whole year in context, see Ngerulmud's year-round climate.

Daytime high
28°
1st warmest
Overnight low
26°
12th coldest
Rainfall
269 mm
25.8 wet days
Daylight
12 h 18 min
5:48 AM – 6:08 PM
Cloud cover
75%
7th clearest
Wind
16 km/h
11th windiest
Solar energy
5.46 kWh/m²
Travel score
3.7
out of 10

Ngerulmud is capital of Palau.

Founded
2006

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 28°C through the month.

A typical May day in Ngerulmud reaches about 28°C in the afternoon and slips back to 26°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)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How May really feels in Ngerulmud

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.

Ngerulmud weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°22322.111.64.5
Feb27° / 26°19419.111.84.8
Mar28° / 26°15218.411.95.1
Apr28° / 26°17020.312.24.7
May28° / 26°26925.812.33.7
Jun28° / 26°3372812.43.4
Jul28° / 26°3412712.43.7
Aug28° / 26°27625.212.24.0
Sep28° / 26°27024.2124.1
Oct28° / 26°25424.911.83.9
Nov28° / 26°25425.511.73.7
Dec28° / 26°26526.111.63.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33070
42971
52872
62773
72773
82674
92575
102575
112575
122575
132575
142575
152575
162773
172773
182872
192872
202971
212971
222971
232971
242971
252971
262971
272971
282872
292971
302872
312872

Chance of precipitation in May

Any precipitation

Ngerulmud gets around 269 mm of rain over 25.8 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 83% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
181
281
382
482
583
683
783
883
982
1082
1182
1282
1382
1482
1582
1682
1782
1882
1982
2082
2183
2283
2384
2484
2585
2685
2786
2886
2987
3087
3188

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

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11783
21684
31684
41684
51684
61684
71684
81783
91882
101981
111981
122080
132179
142278
152377
162476
172575
182674
192773
202773
212872
222872
232872
242872
252872
262773
272773
282773
292773
302773
312674

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 24 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 5:51 AM to 5:47 AM, and sunset from 6:07 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:516:07
212.35:516:07
312.35:506:07
412.35:506:07
512.35:506:07
612.35:496:07
712.35:496:07
812.35:496:07
912.35:496:07
1012.35:496:07
1112.35:486:07
1212.35:486:07
1312.35:486:08
1412.35:486:08
1512.35:486:08
1612.35:486:08
1712.35:476:08
1812.45:476:08
1912.45:476:08
2012.45:476:09
2112.45:476:09
2212.45:476:09
2312.45:476:09
2412.45:476:09
2512.45:476:10
2612.45:476:10
2712.45:476:10
2812.45:476:10
2912.45:476:10
3012.45:476:11
3112.45:476:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.03 kWh/m² in April across the year — May's 5.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in May

Hazard calendar for Ngerulmud

In seasonPeak

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

Ngerulmud 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 Ngerulmud?

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

3.7
Sightseeing
9th-best month of the year
4.3
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Ngerulmud.

What to pack for Ngerulmud in May

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

In May, Ngerulmud sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Ngerulmud 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 14 km away) 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ngerulmud 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 Ngerulmud peaks around March 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 23UV 15Dec 14UV 11
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme
Location & terrain

Where is Ngerulmud?

Ngerulmud sits at 7.5°N, 134.6°E, 72 m above sea level, in Palau. The nearest listed city is Koror, 24 km away.

Koror

Topography around Ngerulmud

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

Within 3 km, the terrain around Ngerulmud has only modest variations in elevation — a maximum elevation change of 97 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, only modest variations in elevation — a maximum elevation change of 224 m.

The land around Ngerulmud is covered by water (46%) and trees (37%) within 3 km, water (61%) and trees (32%) within 16 km, and water (96%) within 80 km.

3 km
97 m
16 km
230 m
80 km
224 m
treesgrasslandartificial surfaceswatermangroves
May weather nearby: Koror 24 km · Manay 892 km · Hinatuan 918 km · Bislig 918 km · Daruba 927 km · Mati 929 km · Manokwari 932 km · Tagbina 937 km

Palau travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$19,532
2025
Safe drinking water
91%
of population, 2024
Homicide rate
11.2
per 100k, 2018
Road deaths
4.8
per 100k/yr, 2013
Income group
High
World Bank
Religion
Roman Catholic 47%Protestant 31%other 12%Modekngei 5%

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 Ngerulmud (7.5008°, 134.6238°, elevation 72 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).