Bulakamba climate — normals and trends

Bulakamba (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,907 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 February (26.6 °C). Rainfall peaks in January.

Bulakamba averages 0 frost days, 109 hot days (≥ 30 °C) and 229 rainy days per year.

Bulakamba has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.7 °C (on 14 October 1979) and the coldest 21.5 °C (on 1 August 1967).

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

BulakambaCentral Java

coords
-6.87°, 108.96°
period
19402025 · 86 yrs
AmTropical monsoonWarmest monthOctoberColdest monthFebruaryWettest monthJanuaryDriest monthAugust

Mean daily temperature

27.1°C

Average daily high

29.4°C

Average daily low

25.3°C

Annual rainfall

1,907mm

Sunshine / day

10.4h

Mean relative humidity

80%

Average peak wind

12.5km/h

Seasonal range

1.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

109 d/yr

Rainy days (≥ 1 mm)

229 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.3 °C

Average feels-like low

29.5 °C

Average peak gust

23.5 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.80 · 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

33.7 °C

14 October 1979

Coldest day

21.5 °C

1 August 1967

Wettest day

164 mm

17 February 1973

Windiest day

34.3 km/h

11 February 2001

Strongest gust

66.6 km/h

22 March 1942

Hottest feels-like

41.2 °C

22 November 2023

Coldest feels-like

21.7 °C

14 August 1994

Sunniest day

12.4 h

29 November 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202531.9 °C3 October 202524.0 °C21 July 202527.8 °C2,497 mm1660
202432.9 °C30 October 202423.8 °C13 August 202428.2 °C2,108 mm2700
202333.2 °C28 October 202323.1 °C3 September 202328.0 °C1,415 mm2670
202231.9 °C25 September 202223.7 °C26 July 202227.6 °C2,319 mm1580
202132.1 °C10 October 202124.7 °C25 August 202127.6 °C2,457 mm1880
202031.9 °C25 September 202023.2 °C31 July 202027.8 °C2,354 mm2050
201933.4 °C22 October 201922.5 °C6 August 201927.8 °C1,629 mm2340
201832.8 °C15 November 201822.8 °C4 August 201827.8 °C1,442 mm2330
201732.6 °C15 October 201723.8 °C4 August 201727.8 °C1,799 mm2020
201632.0 °C13 May 201625.0 °C2 August 201628.0 °C2,571 mm2160
201532.2 °C22 September 201523.2 °C3 August 201527.5 °C1,751 mm1600
201432.2 °C18 October 201423.7 °C18 August 201427.5 °C2,054 mm1690
201332.0 °C25 September 201322.9 °C13 August 201327.6 °C2,315 mm1490
201231.9 °C23 October 201222.8 °C15 August 201227.4 °C1,751 mm1260
201131.8 °C22 December 201122.7 °C26 August 201127.3 °C1,916 mm1120
201031.6 °C1 March 201025.1 °C24 July 201027.7 °C3,167 mm1400
200932.2 °C9 November 200923.2 °C13 July 200927.6 °C1,643 mm1720
200831.7 °C20 October 200822.7 °C17 July 200827.2 °C1,691 mm1060
200731.7 °C27 September 200722.9 °C28 August 200727.4 °C1,742 mm1490
200632.5 °C19 November 200622.7 °C4 September 200627.3 °C1,849 mm1420
200531.9 °C15 November 200522.7 °C7 August 200527.4 °C1,741 mm930
200431.9 °C31 October 200423.3 °C8 August 200427.3 °C1,891 mm1050
200331.9 °C12 November 200322.2 °C5 August 200327.3 °C1,587 mm1360
200232.4 °C17 October 200222.8 °C13 August 200227.3 °C1,575 mm1450
200131.9 °C17 September 200122.6 °C4 July 200127.1 °C1,796 mm830
200031.9 °C21 October 200023.4 °C23 July 200027.2 °C2,032 mm910
199931.3 °C4 October 199922.3 °C4 September 199927.2 °C2,181 mm960
199831.6 °C10 September 199824.9 °C22 December 199827.8 °C2,799 mm1900
199733.2 °C30 October 199722.3 °C13 July 199727.2 °C1,497 mm1450
199632.1 °C19 September 199624.2 °C4 August 199627.3 °C2,551 mm1270
199531.7 °C5 October 199523.1 °C30 July 199527.3 °C2,719 mm1170
199432.2 °C22 October 199421.6 °C31 August 199427.0 °C1,986 mm1150
199331.6 °C3 November 199323.8 °C29 July 199327.2 °C1,957 mm1050
199230.8 °C29 July 199223.8 °C17 August 199226.9 °C2,237 mm670
199132.5 °C5 October 199122.4 °C16 August 199127.0 °C1,842 mm980
199032.6 °C9 November 199022.9 °C29 July 199027.2 °C1,726 mm1120
198932.0 °C12 October 198923.4 °C7 September 198927.0 °C2,164 mm800
198832.6 °C6 October 198823.0 °C13 July 198827.2 °C2,159 mm1210
198732.1 °C16 November 198722.9 °C15 August 198727.3 °C1,954 mm1540
198631.6 °C15 October 198622.4 °C17 August 198626.9 °C2,290 mm870
198531.5 °C16 November 198523.3 °C11 August 198527.0 °C1,788 mm760
198431.2 °C29 October 198422.7 °C28 June 198426.8 °C2,610 mm370
198332.1 °C26 September 198323.0 °C6 August 198327.3 °C2,429 mm1350
198231.6 °C18 November 198222.0 °C2 September 198227.0 °C1,633 mm1120
198131.9 °C14 October 198123.5 °C17 August 198127.1 °C2,327 mm1080
198032.0 °C8 October 198023.3 °C27 August 198027.3 °C1,738 mm1290
197933.7 °C14 October 197922.7 °C22 July 197927.1 °C2,006 mm1210
197831.4 °C23 November 197823.5 °C20 July 197827.0 °C2,431 mm860
197732.4 °C24 October 197722.3 °C10 July 197726.9 °C1,801 mm930
197632.2 °C7 November 197622.4 °C18 July 197626.7 °C1,481 mm770
197531.1 °C25 September 197522.8 °C22 August 197526.7 °C2,172 mm300
197431.1 °C29 November 197423.2 °C19 July 197426.7 °C2,117 mm370
197331.9 °C17 October 197323.8 °C31 July 197327.0 °C2,858 mm650
197232.4 °C24 September 197222.6 °C12 July 197226.8 °C1,509 mm1090
197131.4 °C30 September 197122.5 °C3 August 197126.5 °C1,886 mm480
197032.2 °C23 October 197023.0 °C8 August 197027.0 °C2,017 mm970
196931.9 °C13 October 196922.6 °C3 August 196927.2 °C1,231 mm1640
196831.6 °C17 October 196823.0 °C11 August 196826.6 °C2,160 mm480
196731.7 °C3 October 196721.5 °C1 August 196726.6 °C1,877 mm1100
196631.7 °C28 September 196622.6 °C25 June 196626.8 °C1,762 mm900
196532.4 °C17 October 196522.5 °C28 July 196526.8 °C1,564 mm1100
196431.7 °C14 May 196422.7 °C2 August 196427.0 °C1,833 mm850
196332.5 °C28 October 196322.1 °C14 August 196326.9 °C1,459 mm1330
196231.3 °C5 October 196222.7 °C31 August 196226.8 °C2,163 mm780
196132.7 °C13 October 196121.9 °C20 July 196127.0 °C1,637 mm1240
196031.9 °C27 October 196022.7 °C22 June 196027.0 °C1,944 mm1120
195932.5 °C23 October 195922.9 °C3 August 195927.0 °C1,925 mm920
195831.5 °C13 September 195823.3 °C2 September 195827.1 °C2,550 mm1170
195732.3 °C9 November 195722.1 °C18 August 195727.0 °C1,657 mm1190
195631.4 °C23 October 195622.6 °C14 September 195626.6 °C1,727 mm570
195531.4 °C7 October 195522.8 °C23 August 195526.5 °C2,439 mm330
195430.9 °C5 March 195422.2 °C2 August 195426.5 °C2,387 mm260
195332.3 °C19 October 195322.0 °C12 August 195326.9 °C1,069 mm930
195231.4 °C4 October 195222.7 °C12 August 195226.7 °C1,714 mm480
195131.6 °C16 November 195122.1 °C16 July 195126.7 °C1,519 mm620
195031.3 °C10 September 195022.9 °C18 July 195026.6 °C1,711 mm400
194932.0 °C1 November 194921.7 °C26 July 194926.6 °C1,033 mm810
194831.6 °C3 November 194822.8 °C18 August 194826.7 °C813 mm600
194731.6 °C6 October 194722.3 °C19 June 194726.6 °C1,289 mm330
194631.8 °C25 September 194621.8 °C14 August 194626.6 °C1,171 mm730
194531.0 °C30 September 194522.0 °C17 September 194526.3 °C1,462 mm410
194431.6 °C20 October 194422.0 °C3 August 194426.3 °C1,832 mm310
194330.7 °C28 November 194322.4 °C9 August 194326.2 °C1,279 mm170
194230.6 °C27 August 194223.0 °C19 November 194226.3 °C1,760 mm230
194131.2 °C30 September 194121.7 °C19 June 194126.5 °C1,617 mm420
194032.6 °C4 November 194021.8 °C16 August 194026.5 °C1,414 mm660

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
29.8 °C
+0.4 °C
Hot days (≥ 30 °C)
166 d/yr
+57
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
2497 mm
+590 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan29.5 °C+1.0 °C385 mm+65 mm
Feb29.5 °C+1.0 °C239 mm-48 mm
Mar29.6 °C+0.6 °C260 mm+6 mm
Apr29.6 °C+0.2 °C225 mm+36 mm
May29.9 °C+0.4 °C352 mm+225 mm
Jun29.8 °C+0.4 °C108 mm+31 mm
Jul29.6 °C+0.3 °C52 mm+3 mm
Aug29.3 °C-0.2 °C114 mm+85 mm
Sep30.0 °C-0.1 °C96 mm+60 mm
Oct30.5 °C+0.2 °C243 mm+156 mm
Nov30.1 °C+0.3 °C204 mm+23 mm
Dec30.1 °C+0.9 °C218 mm-53 mm

The year's extremes

Hottest day
31.9 °C
3 Oct 2025
Coldest day
24.0 °C
21 Jul 2025
Wettest day
143.7 mm
23 May 2025
Windiest day
29.1 km/h
5 Feb 2025
Strongest gust
53.3 km/h
5 Feb 2025
Hottest feels-like
40.9 °C
17 Oct 2025
Coldest feels-like
25.8 °C
10 Jul 2025
Sunniest day
12.1 h
17 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 Bulakamba?

Bulakamba has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,907 mm of precipitation per year.

What is the hottest day ever recorded in Bulakamba?

The hottest day measured in Bulakamba between 1940 and 2025 was 14 October 1979, reaching 33.7 °C.

What is the coldest day in Bulakamba?

The coldest day measured in Bulakamba between 1940 and 2025 was 1 August 1967, at 21.5 °C.

Does it snow in Bulakamba?

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

Has the climate of Bulakamba warmed?

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

What is the wettest day in Bulakamba?

The wettest day measured in Bulakamba between 1940 and 2025 was 17 February 1973, with 164 mm of rain in 24 hours.

What was the windiest day in Bulakamba?

The windiest day measured in Bulakamba between 1940 and 2025 was 11 February 2001, with winds reaching 34.3 km/h.

What is the warmest month in Bulakamba?

The warmest month in Bulakamba is October (27.6 °C on average); the coldest is February (26.6 °C).

How much does it rain in Bulakamba?

Bulakamba receives on average 1,907 mm of precipitation per year, spread over about 229 rainy days.

Is it sunny in Bulakamba?

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

Are there tropical nights in Bulakamba?

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

What was the most extreme apparent temperature in Bulakamba?

In Bulakamba, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 22 November 2023, and the lowest was 21.7 °C on 14 August 1994.

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