Kroya weather in December

In December, Kroya sees average daytime highs of 29°C and overnight lows near 25°C, with 413 mm of rain across 28.7 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 1st-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 2% 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 Kroya's 12th-clearest and 8th-windiest month. For the whole year in context, see Kroya's year-round climate.

Daytime high
29°
7th warmest
Overnight low
25°
8th coldest
Rainfall
413 mm
28.7 wet days
Daylight
12 h 24 min
5:26 AM – 5:52 PM
Cloud cover
89%
12th clearest
Wind
9 km/h
8th windiest
Solar energy
4.65 kWh/m²
Travel score
3.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Kroya reaches about 29°C in the afternoon and slips back to 25°C overnight — a 3°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, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How December really feels in Kroya

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.

Kroya weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°35128.912.43.0
Feb29° / 26°27626.512.32.9
Mar29° / 26°28628.312.13.0
Apr29° / 26°21427.111.83.0
May29° / 26°14123.611.73.7
Jun29° / 25°10218.311.64.5
Jul28° / 24°7814.711.65.6
Aug28° / 24°5211.311.76.2
Sep28° / 24°8915125.5
Oct28° / 25°19321.712.24.3
Nov29° / 25°35427.112.33.2
Dec29° / 25°41328.712.43.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4694
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15793
16793
17793
18793
19793
20892
21892
22991
23991
24991
25991
261090
271090
281090
291189
301189
311189

Chance of precipitation in December

Any precipitation

Kroya gets around 413 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
493
593
694
794
894
994
1094
1194
1294
1394
1494
1594
1693
1793
1892
1992
2091
2191
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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116435
216435
316336
416336
516237
616237
716138
816138
916039
1016039
1116039
1216039
1316039
1416039
1516039
1606238
1706238
1806337
1906337
2016237
2116336
2216336
2316336
2416336
2516336
2616336
2716336
2816336
2906436
3006436
3106337

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:20 AM to 5:33 AM, and sunset from 5:45 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:205:45
212.45:215:46
312.45:215:46
412.45:215:47
512.45:225:47
612.45:225:48
712.45:225:48
812.45:235:48
912.45:235:49
1012.45:235:49
1112.45:245:50
1212.45:245:50
1312.45:255:51
1412.45:255:51
1512.45:255:52
1612.45:265:52
1712.45:265:53
1812.45:275:53
1912.45:275:54
2012.45:285:54
2112.45:285:55
2212.45:295:55
2312.45:295:56
2412.45:305:56
2512.45:305:57
2612.45:315:57
2712.45:315:58
2812.45:325:58
2912.45:325:58
3012.45:335:59
3112.45:335:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 5.73 kWh/m² in September across the year — December's 4.65 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Kroya

In seasonPeak

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

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

Kroya'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 Kroya?

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
11th-best month of the year

December is a weaker month for outdoor sightseeing in Kroya.

What to pack for Kroya in December

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

In December, Kroya sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Kroya 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 30 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Kroya 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 Kroya peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 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 12UV 15Jun 14UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun7High
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov9Very high
Dec12Extreme

Air quality in Kroya 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 Kroya is worst in May — around 47 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMay 1647 µg/m³Sep 1730 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb36Poor
Mar40Poor
Apr45Poor
May47Poor
Jun44Poor
Jul39Poor
Aug32Moderate
Sep30Moderate
Oct32Moderate
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Kroya?

Kroya sits at 7.6°S, 109.2°E, 18 m above sea level, in Indonesia. The nearest listed city is Banyumas, 14 km away.

Topography around Kroya

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

Within 3 km, the terrain around Kroya has only modest variations in elevation — a maximum elevation change of 24 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 539 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Kroya is covered by trees (41%) and cropland (37%) within 3 km, trees (37%), cropland (31%) and water (24%) within 16 km, and trees (50%) and water (30%) within 80 km.

3 km
24 m
16 km
539 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Banyumas 14 km · Sokaraja 20 km · Purwokerto 24 km · Wangon 25 km · Cilacap 28 km · Gombong 30 km · Purbalingga 30 km · Baturaden 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 Kroya (-7.6331°, 109.2461°, elevation 18 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).