Jatiroto weather in December

In December, Jatiroto sees average daytime highs of 28°C and overnight lows near 22°C, with 411 mm of rain across 28.8 wet days and about 12.5 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 0% 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 30 min by month's end. Set against the rest of the year, December is Jatiroto's 11th-clearest and 6th-windiest month. For the whole year in context, see Jatiroto's year-round climate.

Daytime high
28°
8th warmest
Overnight low
22°
10th coldest
Rainfall
411 mm
28.8 wet days
Daylight
12 h 30 min
5:18 AM – 5:45 PM
Cloud cover
92%
11th clearest
Wind
6 km/h
6th windiest
Solar energy
4.42 kWh/m²
Travel score
3.1
out of 10

Jatiroto is subdistrict in Wonogiri Regency, Central Java, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Jatiroto reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°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, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142822
152822
162822
172822
182822
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822
312822

How December really feels in Jatiroto

Once humidity and wind are folded in, December 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

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

Jatiroto weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°40329.512.43.0
Feb29° / 22°39127.312.32.8
Mar29° / 22°38629.612.12.9
Apr29° / 22°28726.711.83.1
May29° / 22°13819.611.64.3
Jun28° / 21°9913.611.65.5
Jul27° / 20°499.511.66.4
Aug27° / 20°326.611.76.9
Sep28° / 20°579.3126.2
Oct29° / 21°13818.612.24.4
Nov29° / 22°31826.612.43.2
Dec28° / 22°41128.812.53.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

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 (%)
1595
2496
3496
4496
5397
6397
7397
8397
9397
10298
11298
12298
13298
14298
15298
16298
17397
18397
19397
20397
21397
22397
23397
24397
25397
26496
27496
28496
29496
30496
31496

Chance of precipitation in December

Any precipitation

Jatiroto gets around 411 mm of rain over 28.8 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 (%)
192
292
393
493
593
693
793
893
993
1093
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2192
2292
2392
2492
2593
2693
2793
2893
2993
3093
3194

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1595
2595
3595
4595
5595
6496
7496
8496
9496
10496
11496
12496
13496
14595
15595
16595
17595
18595
19694
20694
21694
22694
23694
24793
25793
26694
27694
28694
29694
30694
31595

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
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 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:13 AM to 5:25 AM, and sunset from 5:38 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:135:38
212.45:135:39
312.45:135:39
412.45:135:39
512.45:145:40
612.45:145:40
712.45:145:41
812.45:155:41
912.45:155:42
1012.45:165:42
1112.45:165:43
1212.55:165:43
1312.55:175:44
1412.55:175:44
1512.55:185:45
1612.55:185:45
1712.55:185:46
1812.55:195:46
1912.55:195:47
2012.55:205:47
2112.55:205:48
2212.55:215:48
2312.55:215:49
2412.55:225:49
2512.55:225:50
2612.55:235:50
2712.55:235:51
2812.55:245:51
2912.55:245:51
3012.55:255:52
3112.55:255:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.42 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 5.69 kWh/m² in October across the year — December's 4.42 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Jatiroto

In seasonPeak

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

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

Jatiroto'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 December a good time to visit Jatiroto?

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

3.1
Sightseeing
8th-best month of the year
3.8
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Jatiroto.

What to pack for Jatiroto in December

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

In December, Jatiroto sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Jatiroto 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 55 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 Jatiroto in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jatiroto peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 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 highExtremeMar 13UV 15Jun 15UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May9Very high
Jun7High
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec13Extreme

Air quality in Jatiroto 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 Jatiroto is worst in May — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1226 µg/m³Dec 1617 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar21Moderate
Apr25Moderate
May26Moderate
Jun24Moderate
Jul21Moderate
Aug20Moderate
Sep19Moderate
Oct20Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Jatiroto?

Jatiroto sits at 7.9°S, 111.1°E, 265 m above sea level, in Indonesia. The nearest listed city is Selogiri, 30 km away.

Topography around Jatiroto

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

Within 3 km, the terrain around Jatiroto has only modest variations in elevation — a maximum elevation change of 151 m around an average of 265 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,108 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,211 m.

The land around Jatiroto is covered by trees (81%) within 3 km, trees (84%) within 16 km, and trees (58%) and water (20%) within 80 km.

3 km
151 m
16 km
1,108 m
80 km
3,211 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Selogiri 30 km · Ponorogo 38 km · Jaten 42 km · Grogol 45 km · Baki 47 km · Surakarta 48 km · Sragen 52 km · Madiun 53 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 Jatiroto (-7.8833°, 111.1167°, elevation 265 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).