Lamongan weather in May

In May, Lamongan sees average daytime highs of 30°C and overnight lows near 26°C, with 95 mm of rain across 15.1 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 7th-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 37% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Lamongan's 5th-clearest and 8th-windiest month. For the whole year in context, see Lamongan's year-round climate.

Daytime high
30°
4th warmest
Overnight low
26°
12th coldest
Rainfall
95 mm
15.1 wet days
Daylight
11 h 42 min
5:36 AM – 5:17 PM
Cloud cover
56%
5th clearest
Wind
10 km/h
8th windiest
Solar energy
5.26 kWh/m²
Travel score
4.6
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 Lamongan reaches about 30°C in the afternoon and slips back to 26°C overnight — a 3°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.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026
313026

How May really feels in Lamongan

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.

Lamongan weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°28529.212.43.0
Feb29° / 26°25026.712.22.9
Mar29° / 26°22228.4123.1
Apr30° / 26°18824.111.83.4
May30° / 26°9515.111.74.6
Jun29° / 26°639.811.65.4
Jul29° / 25°325.311.66.2
Aug29° / 25°92.611.86.5
Sep30° / 25°233.9125.9
Oct30° / 26°7312.612.24.7
Nov30° / 26°16123.612.33.4
Dec29° / 26°25727.712.43.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44753
54753
64753
74753
84951
94951
105050
115149
125248
135347
145446
155644
165644
175842
185941
195941
206040
216040
226139
236139
246139
256139
266139
276040
286040
296040
305941
315941

Chance of precipitation in May

Any precipitation

Lamongan gets around 95 mm of rain over 15.1 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 49% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
262
361
460
559
658
756
855
954
1053
1152
1251
1349
1448
1547
1646
1746
1845
1944
2044
2143
2243
2342
2442
2541
2641
2741
2840
2940
3040
3139

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
102278
202377
302476
402575
502674
602773
712970
813069
913168
1013267
1113366
1213465
1313564
1413663
1513762
1623860
1723959
1823959
1924058
2024157
2124256
2224355
2324355
2424454
2524553
2624652
2724652
2824751
2924850
3024850
3124950

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 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 12 minutes over May. Sunrise moves from 5:35 AM to 5:39 AM, and sunset from 5:20 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:355:20
211.75:355:20
311.75:355:20
411.75:355:19
511.75:355:19
611.75:355:19
711.75:355:19
811.75:355:18
911.75:355:18
1011.75:365:18
1111.75:365:18
1211.75:365:17
1311.75:365:17
1411.75:365:17
1511.75:365:17
1611.75:365:17
1711.75:365:17
1811.75:375:17
1911.75:375:17
2011.75:375:16
2111.75:375:16
2211.75:375:16
2311.65:375:16
2411.65:385:16
2511.65:385:16
2611.65:385:16
2711.65:385:16
2811.65:385:16
2911.65:395:16
3011.65:395:16
3111.65:395:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.26 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.74 kWh/m² in September across the year — May's 5.26 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in May

Hazard calendar for Lamongan

In seasonPeak

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

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

Lamongan'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 Lamongan?

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

4.6
Sightseeing
6th-best month of the year
6.2
Beach & pool
6th-best month of the year

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

What to pack for Lamongan in May

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

In May, Lamongan sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Lamongan 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 27 km away) is warmest in November at about 30°C and coldest in August near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Lamongan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lamongan peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 17UV 13Jun 16UV 7
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar13Extreme
Apr11Extreme
May9Very high
Jun7High
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec10Extreme

Air quality in Lamongan 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 Lamongan is worst in October — around 41 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorOct 2141 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb24Moderate
Mar32Moderate
Apr36Poor
May38Poor
Jun36Poor
Jul32Moderate
Aug29Moderate
Sep33Moderate
Oct41Poor
Nov39Poor
Dec34Moderate
Location & terrain

Where is Lamongan?

Lamongan sits at 7.1°S, 112.4°E, 8 m above sea level, in Indonesia. The nearest listed city is Kebomas, 25 km away.

Topography around Lamongan

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

Within 3 km, the terrain around Lamongan has only modest variations in elevation — a maximum elevation change of 15 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 104 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,306 m.

The land around Lamongan is covered by cropland (69%) and artificial surfaces (24%) within 3 km, cropland (73%) within 16 km, and water (35%), cropland (30%) and trees (24%) within 80 km.

3 km
15 m
16 km
104 m
80 km
3,306 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Kebomas 25 km · Gresik 27 km · Paciran 27 km · Babat 28 km · Kamal 34 km · Driyorejo 36 km · Bangkalan 36 km · Krian 37 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 Lamongan (-7.1167°, 112.4167°, elevation 8 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).