Blitar weather in May

In May, Blitar sees average daytime highs of 29°C and overnight lows near 21°C, with 155 mm of rain across 18.7 wet days and about 11.6 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 17% 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 Blitar's 5th-clearest and 10th-windiest month. For the whole year in context, see Blitar's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
21°
6th coldest
Rainfall
155 mm
18.7 wet days
Daylight
11 h 36 min
5:39 AM – 5:17 PM
Cloud cover
66%
5th clearest
Wind
5 km/h
10th windiest
Solar energy
4.86 kWh/m²
Travel score
4.3
out of 10

Blitar is city in East Java Province, Indonesia.

Density
4,948/km²
people per km²
Founded
1906

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 29°C through the month.

A typical May day in Blitar reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292920
302920
312920

How May really feels in Blitar

Once humidity and wind are folded in, May averages 12 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
12
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.

Blitar weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°34229.312.43.0
Feb29° / 22°31626.912.32.9
Mar29° / 22°3842912.13.0
Apr29° / 22°32827.111.83.1
May29° / 21°15518.711.64.3
Jun29° / 20°11112.711.55.3
Jul28° / 19°617.911.66.5
Aug28° / 18°285.211.76.6
Sep29° / 19°577.4125.7
Oct29° / 21°1831712.24.4
Nov29° / 22°40326.412.43.2
Dec29° / 22°41128.312.53.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43268
53268
63367
73367
83367
93565
103664
113664
123862
133862
144060
154159
164159
174456
184555
194555
204753
214753
224654
234753
244753
254753
264753
274852
284654
294654
304654
314555

Chance of precipitation in May

Any precipitation

Blitar gets around 155 mm of rain over 18.7 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 60% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
275
373
472
571
669
768
867
966
1064
1163
1262
1361
1460
1559
1658
1757
1856
1956
2055
2155
2255
2354
2454
2554
2653
2753
2852
2952
3052
3152

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
101090
201189
301288
401387
511485
611584
711683
811782
911881
1012079
1112178
1212277
1312376
1412574
1522672
1622771
1722870
1822870
1922969
2023068
2123167
2223167
2323266
2423266
2523266
2623266
2723365
2823365
2923266
3013267
3113267

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
64calm
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 5:37 AM to 5:42 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)
111.75:375:20
211.75:375:20
311.75:375:19
411.75:375:19
511.75:375:19
611.75:375:19
711.75:375:18
811.75:385:18
911.75:385:18
1011.75:385:18
1111.75:385:17
1211.75:385:17
1311.65:385:17
1411.65:385:17
1511.65:385:17
1611.65:395:17
1711.65:395:16
1811.65:395:16
1911.65:395:16
2011.65:395:16
2111.65:405:16
2211.65:405:16
2311.65:405:16
2411.65:405:16
2511.65:405:16
2611.65:415:16
2711.65:415:16
2811.65:415:16
2911.65:415:16
3011.65:415:16
3111.65:425:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.86 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 5.84 kWh/m² in September across the year — May's 4.86 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
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Blitar

In seasonPeak

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

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

Blitar's rainy season runs November–April, when most of the year's rain falls.

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

Is May a good time to visit Blitar?

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

4.3
Sightseeing
6th-best month of the year
5.6
Beach & pool
6th-best month of the year

May is a reasonable time to visit Blitar for sightseeing.

What to pack for Blitar in May

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

In May, Blitar sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Blitar 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 31 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 Blitar 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 Blitar 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 Blitar 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 Blitar is worst in April — around 43 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 25 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1843 µg/m³Sep 1625 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb33Moderate
Mar39Poor
Apr43Poor
May41Poor
Jun37Poor
Jul31Moderate
Aug27Moderate
Sep25Moderate
Oct27Moderate
Nov30Moderate
Dec30Moderate
Location & terrain

Where is Blitar?

Blitar sits at 8.1°S, 112.2°E, 180 m above sea level, in Indonesia. The nearest listed city is Ngunut, 17 km away.

Topography around Blitar

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

Within 3 km, the terrain around Blitar has only modest variations in elevation — a maximum elevation change of 87 m around an average of 177 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 547 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,307 m.

The land around Blitar is covered by artificial surfaces (47%), trees (27%) and cropland (24%) within 3 km, trees (64%) and cropland (21%) within 16 km, and trees (53%) and water (24%) within 80 km.

3 km
87 m
16 km
547 m
80 km
3,307 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ngunut 17 km · Kedungwaru 28 km · Tulungagung 29 km · Boyolangu 30 km · Sumberpucung 35 km · Kediri 35 km · Pare 37 km · Gampengrejo 40 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 Blitar (-8.0983°, 112.1681°, elevation 180 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).