Blitar weather in January

In January, Blitar sees average daytime highs of 29°C and overnight lows near 22°C, with 342 mm of rain across 29.3 wet days and about 12.4 hours of daylight. It is the 8th-warmest and 4th-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 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is Blitar's 10th-clearest and 8th-windiest month. For the whole year in context, see Blitar's year-round climate.

Daytime high
29°
8th warmest
Overnight low
22°
10th coldest
Rainfall
342 mm
29.3 wet days
Daylight
12 h 24 min
5:28 AM – 5:53 PM
Cloud cover
91%
10th clearest
Wind
5 km/h
8th windiest
Solar energy
4.39 kWh/m²
Travel score
3.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Blitar reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How January really feels in Blitar

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Blitar weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 3% of January, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8595
9694
10694
11694
12595
13595
14595
15595
16595
17595
18595
19496
20496
21496
22397
23397
24397
25298
26199
27199
28199
29199
30199
31199

Chance of precipitation in January

Any precipitation

Blitar gets around 342 mm of rain over 29.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 98% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
292
392
492
592
692
792
892
992
1093
1193
1293
1393
1493
1594
1694
1794
1895
1995
2096
2196
2296
2397
2497
2597
2697
2798
2898
2998
3098
3198

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1892
2892
3892
4892
5892
6793
7793
8793
9793
10793
11793
12793
13793
14793
15793
16793
17793
18793
19793
20793
21793
22694
23694
24694
25694
26694
27793
28793
29793
30793
31793

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
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 January

DaylightNight

Daylight runs from about 12 h 30 min at the start of January to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:21 AM to 5:34 AM, and sunset from 5:48 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:215:48
212.55:215:49
312.55:225:49
412.55:225:50
512.55:235:50
612.55:235:50
712.55:245:51
812.45:245:51
912.45:255:51
1012.45:255:52
1112.45:265:52
1212.45:265:52
1312.45:265:53
1412.45:275:53
1512.45:275:53
1612.45:285:53
1712.45:285:54
1812.45:295:54
1912.45:295:54
2012.45:305:54
2112.45:305:54
2212.45:315:55
2312.45:315:55
2412.45:315:55
2512.45:325:55
2612.45:325:55
2712.45:335:55
2812.45:335:55
2912.45:335:55
3012.45:345:55
3112.45:345:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.39 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 — January's 4.39 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in January

Hazard calendar for Blitar

In seasonPeak

In January, Blitar sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Blitar?

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

3.0
Sightseeing
10th-best month of the year
3.7
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Blitar.

What to pack for Blitar in January

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

In January, Blitar sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Blitar in January

The nearest coast averages about 29°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).