Kertosono weather in April

In April, Kertosono sees average daytime highs of 31°C and overnight lows near 24°C, with 181 mm of rain across 22.7 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 11% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Kertosono's 7th-clearest and 12th-windiest month. For the whole year in context, see Kertosono's year-round climate.

Daytime high: 31°; 7th warmest
Overnight low: 24°; 10th coldest
Rainfall: 181 mm; 22.7 wet days
Daylight: 11 h 48 min; 5:37 AM – 5:27 PM
Cloud cover: 76%; 7th clearest
Wind: 4 km/h; 12th windiest
Solar energy: 4.95 kWh/m²
Travel score: 2.9; out of 10

← March Kertosono year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical April day in Kertosono reaches about 31°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, April runs on par with March and on par with May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31
Avg low (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

	Avg high (°C)	Avg low (°C)
1	31	24
2	31	24
3	31	24
4	31	24
5	31	24
6	31	24
7	31	24
8	31	24
9	31	24
10	31	24
11	31	24
12	31	24
13	31	24
14	31	24
15	31	24
16	31	24
17	31	24
18	31	24
19	31	24
20	31	24
21	31	24
22	31	24
23	31	24
24	31	24
25	31	24
26	31	24
27	31	24
28	31	24
29	31	24
30	31	24

How April really feels in Kertosono

Once humidity and wind are folded in, April averages 30 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kertosono weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 24°	379	29	12.4	2.4
Feb	31° / 24°	368	27.3	12.2	2.3
Mar	31° / 24°	318	28.2	12.1	2.4
Apr	31° / 24°	181	22.7	11.8	2.9
May	31° / 23°	78	12.5	11.7	4.1
Jun	31° / 23°	35	6.8	11.6	4.7
Jul	31° / 22°	15	3.3	11.6	5.1
Aug	32° / 22°	5	1.2	11.8	5.0
Sep	33° / 22°	14	2.1	12	4.3
Oct	33° / 23°	61	8.7	12.2	3.4
Nov	33° / 24°	168	19	12.3	2.6
Dec	32° / 24°	321	26.2	12.4	2.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	17	16	16	16	16	16	17	17	17	18	19	20	20	22	23	24	25	26	27	29	30	30	32	33	33	34	35	36	38	38
Cloudier (%)	83	84	84	84	84	84	83	83	83	82	81	80	80	78	77	76	75	74	73	71	70	70	68	67	67	66	65	64	62	62

	Clearer (%)	Cloudier (%)
1	17	83
2	16	84
3	16	84
4	16	84
5	16	84
6	16	84
7	17	83
8	17	83
9	17	83
10	18	82
11	19	81
12	20	80
13	20	80
14	22	78
15	23	77
16	24	76
17	25	75
18	26	74
19	27	73
20	29	71
21	30	70
22	30	70
23	32	68
24	33	67
25	33	67
26	34	66
27	35	65
28	36	64
29	38	62
30	38	62

Chance of precipitation in April

Any precipitation

Kertosono gets around 181 mm of rain over 22.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 75% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	87	87	87	87	87	87	86	86	85	85	84	83	82	81	79	78	76	74	73	71	69	67	65	63	62	60	58	57	55	54

	Rain chance (%)
1	87
2	87
3	87
4	87
5	87
6	87
7	86
8	86
9	85
10	85
11	84
12	83
13	82
14	81
15	79
16	78
17	76
18	74
19	73
20	71
21	69
22	67
23	65
24	63
25	62
26	60
27	58
28	57
29	55
30	54

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1
Oppressive (%)	49	49	48	48	48	48	48	48	48	48	48	48	48	48	48	49	49	50	51	51	52	52	53	53	53	54	54	55	55	55
Miserable (%)	51	51	52	52	52	52	52	52	52	52	52	52	52	52	52	51	51	50	49	49	48	48	47	47	47	46	46	45	45	44

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	49	51
2	0	49	51
3	0	48	52
4	0	48	52
5	0	48	52
6	0	48	52
7	0	48	52
8	0	48	52
9	0	48	52
10	0	48	52
11	0	48	52
12	0	48	52
13	0	48	52
14	0	48	52
15	0	48	52
16	0	49	51
17	0	49	51
18	0	50	50
19	0	51	49
20	0	51	49
21	0	52	48
22	0	52	48
23	0	53	47
24	0	53	47
25	0	53	47
26	0	54	46
27	0	54	46
28	0	55	45
29	0	55	45
30	1	55	44

Wind in April

Winds average 4 km/h in April, the calmest month.

Across April, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 5:38 AM to 5:37 AM, and sunset from 5:34 PM to 5:21 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.7	11.7
Sunrise (AM)	5:38	5:38	5:38	5:38	5:38	5:38	5:38	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37
Sunset (PM)	5:34	5:34	5:33	5:33	5:32	5:32	5:31	5:31	5:30	5:30	5:29	5:29	5:28	5:28	5:27	5:27	5:26	5:26	5:25	5:25	5:25	5:24	5:24	5:23	5:23	5:23	5:22	5:22	5:22	5:21

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	5:38	5:34
2	11.9	5:38	5:34
3	11.9	5:38	5:33
4	11.9	5:38	5:33
5	11.9	5:38	5:32
6	11.9	5:38	5:32
7	11.9	5:38	5:31
8	11.9	5:37	5:31
9	11.9	5:37	5:30
10	11.9	5:37	5:30
11	11.9	5:37	5:29
12	11.9	5:37	5:29
13	11.9	5:37	5:28
14	11.8	5:37	5:28
15	11.8	5:37	5:27
16	11.8	5:37	5:27
17	11.8	5:37	5:26
18	11.8	5:37	5:26
19	11.8	5:37	5:25
20	11.8	5:37	5:25
21	11.8	5:37	5:25
22	11.8	5:37	5:24
23	11.8	5:37	5:24
24	11.8	5:37	5:23
25	11.8	5:37	5:23
26	11.8	5:37	5:23
27	11.8	5:37	5:22
28	11.8	5:37	5:22
29	11.7	5:37	5:22
30	11.7	5:37	5:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.29 kWh/m² in September across the year — April's 4.95 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.0	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.1	5.1
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.0	Bright
2	4.9	Bright
3	4.9	Bright
4	4.9	Bright
5	4.9	Bright
6	4.9	Bright
7	4.9	Bright
8	4.9	Bright
9	4.9	Bright
10	4.9	Bright
11	4.9	Bright
12	4.9	Bright
13	4.9	Bright
14	4.9	Bright
15	4.9	Bright
16	4.9	Bright
17	4.9	Bright
18	5.0	Bright
19	5.0	Bright
20	5.0	Bright
21	5.0	Bright
22	5.0	Bright
23	5.0	Bright
24	5.0	Bright
25	5.0	Bright
26	5.0	Bright
27	5.0	Bright
28	5.0	Bright
29	5.1	Bright
30	5.1	Bright

Planning a trip in April

Hazard calendar for Kertosono

In seasonPeak

In April, Kertosono sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Kertosono's monsoon runs December–April, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is April a good time to visit Kertosono?

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

2.9

Sightseeing

7th-best month of the year

4.5

Beach & pool

8th-best month of the year

April is a weaker month for outdoor sightseeing in Kertosono.

What to pack for Kertosono in April

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

In April, Kertosono sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Kertosono in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kertosono peaks around March 18 at about 13 (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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	11	13	11	9	7	9	11	13	12	10	12
Level	Extreme	Extreme	Extreme	Extreme	Very high	High	Very high	Extreme	Extreme	Extreme	Very high	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	11	Extreme
Mar	13	Extreme
Apr	11	Extreme
May	9	Very high
Jun	7	High
Jul	9	Very high
Aug	11	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	10	Very high
Dec	12	Extreme

Air quality in Kertosono in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Kertosono is worst in May — around 64 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	44	45	53	59	64	60	54	48	47	49	48	43
Level	Poor	Poor	Poor	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	44	Poor
Feb	45	Poor
Mar	53	Poor
Apr	59	Unhealthy
May	64	Unhealthy
Jun	60	Unhealthy
Jul	54	Poor
Aug	48	Poor
Sep	47	Poor
Oct	49	Poor
Nov	48	Poor
Dec	43	Poor

Location & terrain

Where is Kertosono?

Kertosono sits at 7.6°S, 112.1°E, 43 m above sea level, in Indonesia. The nearest listed city is Diwek, 14 km away.

Topography around Kertosono

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

Within 3 km, the terrain around Kertosono has only modest variations in elevation — a maximum elevation change of 13 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 248 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,305 m.

The land around Kertosono is covered by cropland (52%), trees (23%) and artificial surfaces (22%) within 3 km, cropland (55%) and trees (28%) within 16 km, and trees (49%) and cropland (37%) within 80 km.

3 km

13 m

cropland 52%

16 km

248 m

cropland 55%

80 km

3,305 m

trees 49%

treesgrasslandcroplandartificial surfaceswater

← March Kertosono year-round climate May →Best places to visit in April

April weather nearby: Diwek 14 km · Jombang 15 km · Ngoro 21 km · Gampengrejo 21 km · Nganjuk 22 km · Pare 23 km · Kediri 28 km · Mojoagung 28 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

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 Kertosono (-7.5833°, 112.1°, elevation 43 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. 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).

	Avg high (°C)	Avg low (°C)
1	31	24
2	31	24
3	31	24
4	31	24
5	31	24
6	31	24
7	31	24
8	31	24
9	31	24
10	31	24
11	31	24
12	31	24
13	31	24
14	31	24
15	31	24
16	31	24
17	31	24
18	31	24
19	31	24
20	31	24
21	31	24
22	31	24
23	31	24
24	31	24
25	31	24
26	31	24
27	31	24
28	31	24
29	31	24
30	31	24

	Clearer (%)	Cloudier (%)
1	17	83
2	16	84
3	16	84
4	16	84
5	16	84
6	16	84
7	17	83
8	17	83
9	17	83
10	18	82
11	19	81
12	20	80
13	20	80
14	22	78
15	23	77
16	24	76
17	25	75
18	26	74
19	27	73
20	29	71
21	30	70
22	30	70
23	32	68
24	33	67
25	33	67
26	34	66
27	35	65
28	36	64
29	38	62
30	38	62

	Rain chance (%)
1	87
2	87
3	87
4	87
5	87
6	87
7	86
8	86
9	85
10	85
11	84
12	83
13	82
14	81
15	79
16	78
17	76
18	74
19	73
20	71
21	69
22	67
23	65
24	63
25	62
26	60
27	58
28	57
29	55
30	54

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	49	51
2	0	49	51
3	0	48	52
4	0	48	52
5	0	48	52
6	0	48	52
7	0	48	52
8	0	48	52
9	0	48	52
10	0	48	52
11	0	48	52
12	0	48	52
13	0	48	52
14	0	48	52
15	0	48	52
16	0	49	51
17	0	49	51
18	0	50	50
19	0	51	49
20	0	51	49
21	0	52	48
22	0	52	48
23	0	53	47
24	0	53	47
25	0	53	47
26	0	54	46
27	0	54	46
28	0	55	45
29	0	55	45
30	1	55	44

	Avg high (°C)	Avg low (°C)
1	31	24
2	31	24
3	31	24
4	31	24
5	31	24
6	31	24
7	31	24
8	31	24
9	31	24
10	31	24
11	31	24
12	31	24
13	31	24
14	31	24
15	31	24
16	31	24
17	31	24
18	31	24
19	31	24
20	31	24
21	31	24
22	31	24
23	31	24
24	31	24
25	31	24
26	31	24
27	31	24
28	31	24
29	31	24
30	31	24

	Clearer (%)	Cloudier (%)
1	17	83
2	16	84
3	16	84
4	16	84
5	16	84
6	16	84
7	17	83
8	17	83
9	17	83
10	18	82
11	19	81
12	20	80
13	20	80
14	22	78
15	23	77
16	24	76
17	25	75
18	26	74
19	27	73
20	29	71
21	30	70
22	30	70
23	32	68
24	33	67
25	33	67
26	34	66
27	35	65
28	36	64
29	38	62
30	38	62

	Rain chance (%)
1	87
2	87
3	87
4	87
5	87
6	87
7	86
8	86
9	85
10	85
11	84
12	83
13	82
14	81
15	79
16	78
17	76
18	74
19	73
20	71
21	69
22	67
23	65
24	63
25	62
26	60
27	58
28	57
29	55
30	54

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	49	51
2	0	49	51
3	0	48	52
4	0	48	52
5	0	48	52
6	0	48	52
7	0	48	52
8	0	48	52
9	0	48	52
10	0	48	52
11	0	48	52
12	0	48	52
13	0	48	52
14	0	48	52
15	0	48	52
16	0	49	51
17	0	49	51
18	0	50	50
19	0	51	49
20	0	51	49
21	0	52	48
22	0	52	48
23	0	53	47
24	0	53	47
25	0	53	47
26	0	54	46
27	0	54	46
28	0	55	45
29	0	55	45
30	1	55	44

	Avg high (°C)	Avg low (°C)
1	31	24
2	31	24
3	31	24
4	31	24
5	31	24
6	31	24
7	31	24
8	31	24
9	31	24
10	31	24
11	31	24
12	31	24
13	31	24
14	31	24
15	31	24
16	31	24
17	31	24
18	31	24
19	31	24
20	31	24
21	31	24
22	31	24
23	31	24
24	31	24
25	31	24
26	31	24
27	31	24
28	31	24
29	31	24
30	31	24

	Clearer (%)	Cloudier (%)
1	17	83
2	16	84
3	16	84
4	16	84
5	16	84
6	16	84
7	17	83
8	17	83
9	17	83
10	18	82
11	19	81
12	20	80
13	20	80
14	22	78
15	23	77
16	24	76
17	25	75
18	26	74
19	27	73
20	29	71
21	30	70
22	30	70
23	32	68
24	33	67
25	33	67
26	34	66
27	35	65
28	36	64
29	38	62
30	38	62

	Rain chance (%)
1	87
2	87
3	87
4	87
5	87
6	87
7	86
8	86
9	85
10	85
11	84
12	83
13	82
14	81
15	79
16	78
17	76
18	74
19	73
20	71
21	69
22	67
23	65
24	63
25	62
26	60
27	58
28	57
29	55
30	54

	Muggy (%)	Oppressive (%)	Miserable (%)
1	0	49	51
2	0	49	51
3	0	48	52
4	0	48	52
5	0	48	52
6	0	48	52
7	0	48	52
8	0	48	52
9	0	48	52
10	0	48	52
11	0	48	52
12	0	48	52
13	0	48	52
14	0	48	52
15	0	48	52
16	0	49	51
17	0	49	51
18	0	50	50
19	0	51	49
20	0	51	49
21	0	52	48
22	0	52	48
23	0	53	47
24	0	53	47
25	0	53	47
26	0	54	46
27	0	54	46
28	0	55	45
29	0	55	45
30	1	55	44