Astanajapura climate — normals and trends

Astanajapura (Indonesia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,553 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is October (27.6 °C on average) and the coldest is January (26.5 °C). Rainfall peaks in January.

Astanajapura averages 0 frost days, 129 hot days (≥ 30 °C) and 213 rainy days per year.

Astanajapura has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.2 °C (on 13 October 1979) and the coldest 21.1 °C (on 19 June 1941).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

AstanajapuraWest Java

coords
-6.80°, 108.63°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthOctoberColdest monthJanuaryWettest monthJanuaryDriest monthAugust

Mean daily temperature

27.0°C

Average daily high

29.5°C

Average daily low

25.1°C

Annual rainfall

1,553mm

Sunshine / day

10.4h

Mean relative humidity

80%

Average peak wind

13.2km/h

Seasonal range

1.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

129 d/yr

Rainy days (≥ 1 mm)

213 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.1 °C

Average feels-like low

29.1 °C

Average peak gust

25.3 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

19.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.79 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

34.2 °C

13 October 1979

Coldest day

21.1 °C

19 June 1941

Wettest day

171 mm

17 February 1973

Windiest day

33.1 km/h

11 February 2001

Strongest gust

63.7 km/h

22 March 1942

Hottest feels-like

41.0 °C

30 March 2024

Coldest feels-like

21.0 °C

14 August 1994

Sunniest day

12.4 h

26 November 1942

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202531.9 °C3 October 202523.4 °C21 July 202527.7 °C2,125 mm1870
202432.9 °C30 October 202423.2 °C13 August 202428.1 °C1,774 mm2880
202333.5 °C28 October 202322.6 °C3 September 202327.8 °C1,137 mm2790
202232.1 °C25 September 202223.4 °C26 July 202227.5 °C1,797 mm1820
202132.0 °C5 October 202124.5 °C26 February 202127.5 °C1,942 mm1990
202031.9 °C1 September 202022.7 °C31 July 202027.7 °C1,994 mm2210
201933.8 °C22 October 201922.0 °C6 August 201927.6 °C1,355 mm2530
201832.9 °C15 November 201822.3 °C27 July 201827.6 °C1,218 mm2510
201733.0 °C31 October 201723.7 °C4 August 201727.7 °C1,578 mm2190
201632.3 °C21 December 201624.8 °C2 August 201627.9 °C2,116 mm2310
201532.3 °C22 September 201522.8 °C21 August 201527.4 °C1,485 mm1880
201432.2 °C18 October 201423.4 °C18 August 201427.4 °C1,627 mm1790
201332.2 °C15 October 201322.5 °C13 August 201327.5 °C1,830 mm1710
201232.2 °C23 October 201222.5 °C15 August 201227.2 °C1,462 mm1580
201131.7 °C15 October 201122.3 °C26 August 201127.2 °C1,522 mm1440
201031.8 °C4 January 201024.8 °C24 July 201027.6 °C2,563 mm1650
200932.4 °C9 November 200922.7 °C13 July 200927.4 °C1,392 mm1980
200832.0 °C28 September 200822.3 °C17 July 200827.1 °C1,450 mm1370
200731.7 °C26 September 200722.6 °C10 September 200727.3 °C1,380 mm1670
200632.7 °C19 November 200622.2 °C4 September 200627.2 °C1,471 mm1860
200532.1 °C15 November 200522.1 °C7 August 200527.3 °C1,392 mm1270
200431.9 °C28 October 200423.0 °C2 June 200427.2 °C1,489 mm1330
200332.4 °C21 October 200321.6 °C5 August 200327.2 °C1,295 mm1630
200232.5 °C17 October 200222.4 °C13 August 200227.2 °C1,250 mm1770
200132.1 °C17 September 200122.3 °C4 July 200127.1 °C1,655 mm1070
200032.2 °C21 October 200022.9 °C23 August 200027.1 °C1,626 mm1270
199931.7 °C13 September 199921.6 °C4 September 199927.1 °C1,913 mm1340
199831.8 °C21 May 199824.7 °C30 August 199827.7 °C2,356 mm2040
199733.2 °C30 October 199722.1 °C13 July 199727.1 °C1,140 mm1580
199632.5 °C19 September 199623.7 °C4 August 199627.2 °C2,039 mm1500
199531.9 °C5 October 199522.6 °C30 July 199527.2 °C2,338 mm1360
199432.3 °C22 October 199421.3 °C31 August 199426.9 °C1,744 mm1350
199331.7 °C2 November 199323.4 °C29 July 199327.1 °C1,588 mm1270
199230.9 °C18 September 199223.6 °C21 July 199226.9 °C1,835 mm850
199132.8 °C5 October 199122.0 °C16 August 199126.8 °C1,493 mm1190
199032.7 °C9 November 199022.5 °C29 July 199027.1 °C1,444 mm1390
198932.1 °C12 October 198923.1 °C1 August 198926.9 °C1,909 mm940
198833.0 °C6 October 198822.7 °C13 July 198827.1 °C1,872 mm1320
198732.4 °C1 November 198722.6 °C15 August 198727.2 °C1,553 mm1730
198632.1 °C15 October 198622.3 °C3 July 198626.8 °C1,975 mm1020
198531.5 °C2 October 198522.9 °C11 August 198526.9 °C1,420 mm970
198431.2 °C22 October 198422.5 °C28 June 198426.7 °C2,164 mm590
198332.3 °C26 September 198322.7 °C6 August 198327.2 °C1,884 mm1490
198232.0 °C21 November 198221.7 °C2 September 198226.9 °C1,218 mm1430
198132.2 °C15 October 198123.2 °C17 August 198127.0 °C1,796 mm1230
198032.3 °C7 November 198023.0 °C27 August 198027.2 °C1,388 mm1560
197934.2 °C13 October 197922.4 °C22 July 197927.1 °C1,655 mm1500
197831.4 °C27 May 197822.9 °C20 July 197826.9 °C2,022 mm1000
197732.6 °C24 October 197722.0 °C5 September 197726.8 °C1,425 mm1090
197632.5 °C7 November 197622.1 °C19 September 197626.6 °C1,148 mm950
197531.2 °C25 September 197522.5 °C22 August 197526.6 °C1,784 mm440
197431.3 °C19 October 197422.9 °C19 July 197426.6 °C1,739 mm460
197332.0 °C17 October 197323.6 °C31 July 197326.9 °C2,285 mm890
197232.8 °C24 September 197222.3 °C12 July 197226.7 °C1,218 mm1200
197131.4 °C30 September 197121.8 °C3 August 197126.4 °C1,593 mm630
197032.7 °C30 October 197022.7 °C8 August 197026.9 °C1,713 mm1110
196932.0 °C8 September 196922.2 °C3 August 196927.1 °C1,064 mm1750
196832.0 °C16 October 196822.7 °C11 August 196826.5 °C1,764 mm560
196731.7 °C3 October 196721.2 °C1 August 196726.5 °C1,466 mm1420
196632.1 °C28 September 196622.0 °C25 June 196626.7 °C1,481 mm1150
196532.8 °C17 October 196522.2 °C2 September 196526.7 °C1,153 mm1220
196431.9 °C14 May 196422.1 °C3 August 196426.9 °C1,530 mm1050
196332.9 °C28 October 196321.5 °C9 September 196326.8 °C1,057 mm1490
196231.5 °C4 October 196222.4 °C31 August 196226.8 °C1,699 mm910
196132.9 °C13 October 196121.6 °C20 July 196126.8 °C1,276 mm1480
196032.0 °C15 October 196022.3 °C22 June 196026.9 °C1,570 mm1240
195932.6 °C23 October 195922.6 °C3 August 195926.9 °C1,588 mm1000
195831.6 °C24 May 195823.1 °C2 September 195827.1 °C2,033 mm1290
195732.7 °C9 October 195721.7 °C14 August 195726.9 °C1,390 mm1380
195631.4 °C23 October 195622.1 °C14 September 195626.5 °C1,362 mm750
195531.5 °C7 October 195522.4 °C23 August 195526.3 °C1,871 mm440
195431.0 °C20 December 195421.8 °C2 August 195426.4 °C1,927 mm350
195332.6 °C22 October 195321.7 °C12 August 195326.7 °C925 mm1030
195231.3 °C4 October 195222.2 °C20 June 195226.6 °C1,490 mm700
195131.6 °C16 November 195121.9 °C16 July 195126.6 °C1,186 mm740
195031.8 °C10 September 195022.4 °C18 July 195026.5 °C1,290 mm570
194932.4 °C21 November 194921.4 °C26 July 194926.5 °C835 mm1000
194832.2 °C3 November 194822.6 °C13 August 194826.6 °C697 mm760
194732.0 °C6 October 194721.8 °C19 June 194726.6 °C1,075 mm500
194632.1 °C25 September 194621.5 °C14 August 194626.5 °C994 mm930
194531.5 °C1 October 194521.6 °C19 August 194526.2 °C1,159 mm470
194431.7 °C20 October 194421.5 °C3 August 194426.2 °C1,435 mm420
194330.8 °C27 July 194322.0 °C31 March 194326.1 °C954 mm340
194231.0 °C27 August 194222.7 °C19 November 194226.2 °C1,326 mm430
194131.2 °C30 September 194121.1 °C19 June 194126.3 °C1,270 mm530
194032.8 °C4 November 194021.6 °C16 August 194026.4 °C1,110 mm850

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Across the whole year

Average daily high
29.9 °C
+0.4 °C
Hot days (≥ 30 °C)
187 d/yr
+58
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
2125 mm
+572 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan29.6 °C+0.9 °C317 mm+71 mm
Feb29.5 °C+0.8 °C201 mm-25 mm
Mar29.7 °C+0.6 °C210 mm-2 mm
Apr29.8 °C+0.4 °C225 mm+67 mm
May30.1 °C+0.5 °C293 mm+192 mm
Jun29.9 °C+0.4 °C80 mm+21 mm
Jul29.8 °C+0.4 °C42 mm+7 mm
Aug29.4 °C-0.3 °C99 mm+78 mm
Sep30.1 °C-0.2 °C77 mm+50 mm
Oct30.6 °C+0.1 °C209 mm+136 mm
Nov30.2 °C+0.3 °C191 mm+30 mm
Dec30.2 °C+0.9 °C182 mm-53 mm

The year's extremes

Hottest day
31.9 °C
3 Oct 2025
Coldest day
23.4 °C
21 Jul 2025
Wettest day
111.2 mm
23 May 2025
Windiest day
27.8 km/h
5 Feb 2025
Strongest gust
51.1 km/h
5 Feb 2025
Hottest feels-like
39.5 °C
17 Oct 2025
Coldest feels-like
24.9 °C
7 Sep 2025
Sunniest day
12.1 h
2 Dec 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Astanajapura?

Astanajapura has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,553 mm of precipitation per year.

What is the hottest day ever recorded in Astanajapura?

The hottest day measured in Astanajapura between 1940 and 2025 was 13 October 1979, reaching 34.2 °C.

What is the coldest day in Astanajapura?

The coldest day measured in Astanajapura between 1940 and 2025 was 19 June 1941, at 21.1 °C.

Does it snow in Astanajapura?

Almost never: Astanajapura sees virtually no snow, with about 0 frost days per year.

Has the climate of Astanajapura warmed?

Yes: Astanajapura warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Astanajapura?

The wettest day measured in Astanajapura between 1940 and 2025 was 17 February 1973, with 171 mm of rain in 24 hours.

What was the windiest day in Astanajapura?

The windiest day measured in Astanajapura between 1940 and 2025 was 11 February 2001, with winds reaching 33.1 km/h.

What is the warmest month in Astanajapura?

The warmest month in Astanajapura is October (27.6 °C on average); the coldest is January (26.5 °C).

How much does it rain in Astanajapura?

Astanajapura receives on average 1,553 mm of precipitation per year, spread over about 213 rainy days.

Is it sunny in Astanajapura?

Astanajapura gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Astanajapura?

Yes: Astanajapura has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Astanajapura?

In Astanajapura, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 30 March 2024, and the lowest was 21.0 °C on 14 August 1994.

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