Boyolangu weather in May

In May, Boyolangu sees average daytime highs of 30°C and overnight lows near 22°C, with 83 mm of rain across 14.3 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 8th-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 23% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Boyolangu's 5th-clearest and 7th-windiest month. For the whole year in context, see Boyolangu's year-round climate.

Daytime high
30°
8th warmest
Overnight low
22°
6th coldest
Rainfall
83 mm
14.3 wet days
Daylight
11 h 36 min
5:40 AM – 5:18 PM
Cloud cover
62%
5th clearest
Wind
5 km/h
7th windiest
Solar energy
4.85 kWh/m²
Travel score
4.4
out of 10

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 Boyolangu reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How May really feels in Boyolangu

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.

Boyolangu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°34928.712.42.6
Feb30° / 23°33026.812.32.5
Mar30° / 23°28827.912.12.7
Apr30° / 23°18324.511.83.1
May30° / 22°8314.311.64.4
Jun30° / 22°508.711.55.3
Jul29° / 21°255.111.66.1
Aug29° / 20°122.511.76.4
Sep30° / 21°304.1125.7
Oct31° / 22°8413.212.24.3
Nov31° / 23°22123.812.43.0
Dec30° / 23°30627.112.52.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23565
33565
43565
53664
63664
73763
83862
93862
103961
114159
124159
134357
144555
154654
164753
174852
185050
195149
205149
215248
225347
235347
245347
255347
265347
275248
285149
295149
305050
315050

Chance of precipitation in May

Any precipitation

Boyolangu gets around 83 mm of rain over 14.3 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 46% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
259
358
457
555
654
753
852
951
1050
1149
1248
1347
1446
1545
1644
1743
1843
1942
2041
2141
2241
2340
2440
2539
2638
2738
2837
2936
3036
3135

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
138314
238314
348214
448214
558114
658114
758114
868014
968113
1068113
1178013
1278112
1388012
1488111
1598011
1698110
1710819
1810819
1911818
2011818
2111827
2212817
2312817
2413816
2513816
2614806
2714815
2814815
2914815
3015814
3115814

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
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 11 h 42 min at the start of May to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:38 AM to 5:43 AM, and sunset from 5:21 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:385:21
211.75:385:21
311.75:385:21
411.75:385:20
511.75:385:20
611.75:385:20
711.75:395:19
811.75:395:19
911.75:395:19
1011.75:395:19
1111.75:395:18
1211.75:395:18
1311.65:395:18
1411.65:395:18
1511.65:405:18
1611.65:405:18
1711.65:405:17
1811.65:405:17
1911.65:405:17
2011.65:405:17
2111.65:415:17
2211.65:415:17
2311.65:415:17
2411.65:415:17
2511.65:415:17
2611.65:425:17
2711.65:425:17
2811.65:425:17
2911.65:425:17
3011.65:435:17
3111.65:435:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.85 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 5.77 kWh/m² in October across the year — May's 4.85 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Boyolangu

In seasonPeak

None of Boyolangu's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Boyolangu sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Boyolangu's monsoon runs November–April, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Boyolangu?

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

4.4
Sightseeing
5th-best month of the year
6.1
Beach & pool
6th-best month of the year

May is a reasonable time to visit Boyolangu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Boyolangu in May

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

In May, Boyolangu sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Boyolangu in May

The nearest coast averages about 28°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 29 km away) is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Boyolangu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Boyolangu peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 17UV 14Jun 16UV 8
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun7Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Very high
Dec13Extreme

Air quality in Boyolangu 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 Boyolangu is worst in April — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2133 µg/m³Sep 1723 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb25Moderate
Mar29Moderate
Apr34Moderate
May33Moderate
Jun31Moderate
Jul27Moderate
Aug24Moderate
Sep23Moderate
Oct24Moderate
Nov25Moderate
Dec23Moderate
Location & terrain

Where is Boyolangu?

Boyolangu sits at 8.1°S, 111.9°E, 94 m above sea level, in Indonesia. The nearest listed city is Tulungagung, 6.0 km away.

Topography around Boyolangu

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

Within 3 km, the terrain around Boyolangu has significant variations in elevation — a maximum elevation change of 340 m around an average of 96 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 678 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,838 m.

The land around Boyolangu is covered by cropland (52%), trees (25%) and artificial surfaces (21%) within 3 km, trees (53%) and cropland (29%) within 16 km, and trees (51%) and water (26%) within 80 km.

3 km
340 m
16 km
678 m
80 km
2,838 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Tulungagung 6.0 km · Kedungwaru 6.0 km · Ngunut 14 km · Trenggalek 21 km · Blitar 30 km · Kediri 36 km · Gampengrejo 42 km · Pare 51 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Boyolangu (-8.1181°, 111.8935°, elevation 94 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).