Kutoarjo weather in December

In December, Kutoarjo sees average daytime highs of 30°C and overnight lows near 24°C, with 358 mm of rain across 28.7 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 1st-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 1% of the time in December, and the air most often feels oppressive.

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

Daytime high
30°
6th warmest
Overnight low
24°
11th coldest
Rainfall
358 mm
28.7 wet days
Daylight
12 h 24 min
5:23 AM – 5:50 PM
Cloud cover
92%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
4.66 kWh/m²
Travel score
2.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Kutoarjo reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Kutoarjo

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kutoarjo weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°34328.712.42.8
Feb30° / 24°29626.812.32.6
Mar30° / 24°28728.412.12.7
Apr30° / 24°23326.311.82.9
May30° / 24°12519.711.73.9
Jun29° / 23°9115.211.64.7
Jul28° / 22°4910.211.65.9
Aug28° / 21°388.411.76.3
Sep29° / 22°6411.8125.3
Oct29° / 23°16319.412.24.1
Nov30° / 24°29827.112.42.9
Dec30° / 24°35828.712.42.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December, the cloudiest month of the year.

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6397
7397
8397
9397
10397
11397
12298
13397
14397
15397
16397
17397
18397
19496
20496
21496
22496
23496
24595
25595
26595
27595
28595
29694
30694
31694

Chance of precipitation in December

Any precipitation

Kutoarjo gets around 358 mm of rain over 28.7 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
493
594
694
794
894
994
1094
1194
1294
1394
1494
1594
1693
1793
1893
1992
2092
2192
2291
2391
2491
2591
2691
2791
2891
2992
3092
3192

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116831
216831
316831
416831
516930
616930
716930
816930
917029
1017029
1117128
1217128
1317227
1407426
1507426
1607525
1707624
1807624
1907723
2007822
2107921
2207921
2308020
2408119
2508119
2608119
2708218
2808218
2908218
3008218
3108218

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 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
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 5:18 AM to 5:30 AM, and sunset from 5:43 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:185:43
212.45:185:43
312.45:185:44
412.45:195:44
512.45:195:45
612.45:195:45
712.45:205:45
812.45:205:46
912.45:205:46
1012.45:215:47
1112.45:215:47
1212.45:215:48
1312.45:225:48
1412.45:225:49
1512.45:235:49
1612.45:235:50
1712.45:245:50
1812.45:245:51
1912.45:245:51
2012.45:255:52
2112.45:255:52
2212.45:265:53
2312.45:265:53
2412.45:275:54
2512.45:275:54
2612.45:285:55
2712.45:285:55
2812.45:295:56
2912.45:295:56
3012.45:305:56
3112.45:305:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.66 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.66 kWh/m² to a high of 5.93 kWh/m² in September across the year — December's 4.66 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Kutoarjo

In seasonPeak

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

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

Kutoarjo's rainy season runs October–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 December a good time to visit Kutoarjo?

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

2.8
Sightseeing
9th-best month of the year
3.8
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Kutoarjo.

What to pack for Kutoarjo in December

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

In December, Kutoarjo sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Kutoarjo in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in April 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
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Kutoarjo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kutoarjo peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 10 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 highExtremeExtremeMar 13UV 15Jun 10UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar16Extreme
Apr12Extreme
May7Very high
Jun7Very high
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov9Very high
Dec12Extreme

Air quality in Kutoarjo in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Kutoarjo is worst in April — around 58 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (September, 34 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorApr 2158 µg/m³Sep 1134 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb46Poor
Mar54Poor
Apr58Unhealthy
May57Unhealthy
Jun51Poor
Jul42Poor
Aug35Moderate
Sep34Moderate
Oct37Poor
Nov42Poor
Dec42Poor
Location & terrain

Where is Kutoarjo?

Kutoarjo sits at 7.7°S, 109.9°E, 20 m above sea level, in Indonesia. The nearest listed city is Wonosobo, 40 km away.

Topography around Kutoarjo

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

Within 3 km, the terrain around Kutoarjo has only modest variations in elevation — a maximum elevation change of 92 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 660 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,290 m.

The land around Kutoarjo is covered by trees (48%) and cropland (38%) within 3 km, trees (58%) and cropland (35%) within 16 km, and trees (57%) and water (27%) within 80 km.

3 km
92 m
16 km
660 m
80 km
3,290 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Wonosobo 40 km · Mertoyudan 41 km · Godean 42 km · Magelang 43 km · Muntilan 45 km · Srandakan 45 km · Gombong 46 km · Gamping Lor 46 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 Kutoarjo (-7.7169°, 109.9128°, elevation 20 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).