Lamongan climate — normals and trends

Lamongan (Indonesia) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 1,623 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 (27.8 °C on average) and the coldest is January (26.7 °C). Rainfall peaks in January.

Lamongan averages 0 frost days, 77 hot days (≥ 30 °C) and 216 rainy days per year.

Lamongan has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.5 °C (on 2 December 1949) and the coldest 21.9 °C (on 12 August 1953).

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

LamonganEast Java

coords
-7.12°, 112.42°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthOctoberColdest monthJanuaryWettest monthJanuaryDriest monthAugust

Mean daily temperature

27.2°C

Average daily high

29.2°C

Average daily low

25.5°C

Annual rainfall

1,623mm

Sunshine / day

10.6h

Mean relative humidity

79%

Average peak wind

16.4km/h

Seasonal range

1.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

77 d/yr

Rainy days (≥ 1 mm)

216 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.5 °C

Average feels-like low

29.4 °C

Average peak gust

27.0 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

20.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.69 · 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

33.5 °C

2 December 1949

Coldest day

21.9 °C

12 August 1953

Wettest day

142 mm

12 May 2025

Windiest day

43.5 km/h

29 December 1949

Strongest gust

70.9 km/h

25 January 1990

Hottest feels-like

39.8 °C

5 November 2016

Coldest feels-like

22.7 °C

16 August 1986

Sunniest day

12.4 h

31 December 2023

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202531.4 °C28 September 202523.9 °C10 July 202527.8 °C2,096 mm1400
202432.1 °C30 October 202423.9 °C14 July 202428.3 °C1,891 mm2360
202332.8 °C28 October 202323.9 °C20 July 202327.9 °C1,332 mm1900
202231.3 °C2 May 202223.9 °C26 July 202227.6 °C2,249 mm1140
202131.5 °C12 October 202123.9 °C27 July 202127.7 °C1,986 mm1570
202032.0 °C13 October 202023.5 °C30 July 202028.0 °C1,851 mm1980
201932.2 °C23 October 201923.2 °C17 July 201927.8 °C1,481 mm1690
201831.8 °C22 November 201822.7 °C4 August 201827.7 °C1,310 mm1650
201731.4 °C8 September 201723.8 °C25 July 201727.6 °C1,810 mm1340
201631.3 °C17 October 201624.9 °C2 August 201628.0 °C2,443 mm1570
201531.7 °C20 November 201523.6 °C3 August 201527.6 °C1,334 mm1230
201432.0 °C18 October 201424.0 °C17 August 201427.7 °C1,477 mm1250
201331.4 °C21 September 201323.7 °C13 August 201327.5 °C2,223 mm1040
201231.2 °C14 October 201223.2 °C27 July 201227.4 °C1,438 mm830
201131.3 °C4 December 201123.6 °C30 July 201127.3 °C1,537 mm640
201031.4 °C1 May 201024.7 °C9 October 201027.6 °C2,648 mm850
200931.9 °C19 October 200923.6 °C12 July 200927.7 °C1,281 mm1390
200831.8 °C20 October 200822.9 °C17 July 200827.4 °C1,522 mm800
200731.5 °C21 November 200723.4 °C24 July 200727.5 °C1,497 mm900
200632.1 °C19 November 200623.2 °C15 July 200627.4 °C1,483 mm1000
200531.1 °C5 October 200523.6 °C6 August 200527.6 °C1,380 mm990
200431.6 °C24 March 200423.8 °C6 August 200427.5 °C1,410 mm1140
200331.5 °C21 October 200323.0 °C9 September 200327.5 °C1,551 mm980
200231.6 °C16 October 200223.3 °C13 August 200227.4 °C1,272 mm1050
200131.4 °C15 September 200122.9 °C4 July 200127.2 °C1,389 mm490
200031.4 °C5 December 200024.0 °C26 June 200027.2 °C1,856 mm550
199931.1 °C4 October 199923.5 °C6 August 199927.1 °C1,719 mm460
199831.5 °C21 May 199824.8 °C13 September 199827.7 °C2,637 mm1480
199731.9 °C22 October 199723.1 °C20 July 199727.2 °C1,190 mm810
199631.9 °C8 April 199624.2 °C4 August 199627.4 °C1,442 mm910
199531.6 °C2 November 199523.6 °C11 August 199527.2 °C1,936 mm730
199431.2 °C22 November 199422.5 °C14 August 199427.0 °C1,528 mm500
199331.4 °C6 November 199323.9 °C9 August 199327.2 °C1,461 mm740
199231.5 °C27 September 199223.8 °C17 July 199227.1 °C1,757 mm630
199131.5 °C12 October 199123.0 °C16 August 199127.1 °C1,592 mm650
199031.7 °C8 November 199023.8 °C29 July 199027.4 °C1,500 mm960
198931.1 °C18 September 198923.8 °C1 August 198927.0 °C1,662 mm500
198831.6 °C15 September 198823.2 °C13 July 198827.4 °C1,889 mm1140
198732.4 °C3 November 198722.9 °C16 August 198727.5 °C1,404 mm1300
198630.7 °C9 May 198622.2 °C16 August 198626.9 °C1,625 mm520
198531.1 °C30 September 198523.2 °C11 August 198527.1 °C1,540 mm530
198430.8 °C28 September 198423.1 °C28 June 198426.9 °C2,133 mm370
198331.3 °C14 October 198323.1 °C13 July 198327.2 °C2,359 mm630
198231.9 °C28 November 198222.9 °C2 September 198227.2 °C1,385 mm850
198131.0 °C13 October 198123.5 °C12 August 198127.1 °C2,025 mm440
198031.6 °C17 October 198024.1 °C1 July 198027.3 °C1,756 mm910
197931.5 °C14 October 197923.2 °C22 July 197927.2 °C1,679 mm830
197830.9 °C30 September 197823.8 °C20 July 197827.0 °C2,231 mm370
197732.1 °C24 October 197722.7 °C16 August 197727.0 °C1,612 mm620
197630.8 °C19 October 197623.0 °C17 July 197626.8 °C1,259 mm250
197530.6 °C22 November 197523.7 °C31 May 197526.7 °C2,048 mm100
197431.4 °C26 November 197423.3 °C19 July 197426.7 °C1,595 mm230
197332.0 °C20 November 197322.9 °C31 July 197327.1 °C2,496 mm590
197232.5 °C13 October 197222.6 °C10 July 197226.9 °C1,153 mm690
197131.0 °C8 October 197122.6 °C7 August 197126.5 °C1,815 mm210
197031.4 °C4 December 197023.3 °C4 August 197026.9 °C1,625 mm290
196931.4 °C12 October 196923.0 °C3 August 196927.3 °C1,232 mm940
196832.0 °C17 October 196823.8 °C9 August 196826.7 °C2,138 mm330
196731.2 °C22 October 196722.7 °C31 July 196726.8 °C1,699 mm540
196630.8 °C23 August 196622.6 °C25 June 196626.8 °C1,820 mm500
196531.9 °C27 October 196522.8 °C11 July 196526.9 °C1,362 mm700
196431.5 °C27 November 196422.9 °C1 August 196427.0 °C1,398 mm300
196331.6 °C1 October 196322.6 °C6 July 196327.0 °C1,382 mm890
196231.3 °C11 October 196223.0 °C5 September 196226.9 °C1,786 mm510
196131.7 °C8 October 196122.1 °C18 July 196127.1 °C1,161 mm680
196031.6 °C15 October 196023.3 °C22 June 196027.0 °C1,687 mm540
195931.7 °C21 October 195922.3 °C3 August 195927.0 °C1,684 mm400
195831.5 °C24 October 195824.0 °C22 September 195827.2 °C1,958 mm730
195731.3 °C7 October 195722.5 °C14 August 195726.9 °C1,423 mm570
195631.2 °C22 October 195622.7 °C11 August 195626.6 °C1,649 mm250
195531.1 °C15 November 195523.2 °C5 August 195526.6 °C2,135 mm330
195431.2 °C27 December 195422.9 °C2 August 195426.7 °C1,662 mm170
195332.4 °C19 October 195321.9 °C12 August 195327.1 °C949 mm730
195231.5 °C19 October 195223.1 °C29 July 195227.0 °C1,431 mm470
195131.9 °C16 November 195122.8 °C18 July 195127.0 °C1,444 mm710
195031.5 °C6 October 195023.0 °C1 August 195026.8 °C1,413 mm440
194933.5 °C2 December 194922.4 °C27 July 194926.8 °C1,456 mm610
194832.0 °C22 October 194823.2 °C20 August 194827.2 °C711 mm670
194731.8 °C21 October 194723.4 °C25 July 194727.1 °C995 mm490
194631.9 °C2 November 194622.3 °C16 August 194627.0 °C967 mm630
194530.9 °C15 October 194522.6 °C16 September 194526.6 °C1,554 mm250
194431.4 °C8 October 194422.9 °C3 August 194426.7 °C1,487 mm380
194331.0 °C1 November 194322.5 °C28 July 194326.6 °C1,097 mm290
194230.8 °C8 September 194223.0 °C8 July 194226.5 °C1,572 mm150
194131.1 °C17 October 194122.1 °C5 August 194126.8 °C1,311 mm380
194032.0 °C8 November 194022.2 °C16 August 194026.8 °C1,221 mm680

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
29.7 °C
+0.5 °C
Hot days (≥ 30 °C)
140 d/yr
+63
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
2096 mm
+473 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan29.3 °C+0.7 °C326 mm+57 mm
Feb29.3 °C+0.8 °C194 mm-44 mm
Mar29.7 °C+0.9 °C271 mm+52 mm
Apr29.6 °C+0.4 °C161 mm-4 mm
May29.6 °C+0.2 °C394 mm+268 mm
Jun29.6 °C+0.5 °C70 mm-2 mm
Jul29.4 °C+0.5 °C20 mm-17 mm
Aug29.7 °C+0.5 °C43 mm+25 mm
Sep30.1 °C+0.3 °C65 mm+37 mm
Oct30.2 °C+0.1 °C154 mm+82 mm
Nov29.7 °C0.0 °C196 mm+49 mm
Dec29.9 °C+0.8 °C201 mm-31 mm

The year's extremes

Hottest day
31.4 °C
28 Sep 2025
Coldest day
23.9 °C
10 Jul 2025
Wettest day
142.4 mm
12 May 2025
Windiest day
31.6 km/h
5 Feb 2025
Strongest gust
54.7 km/h
5 Feb 2025
Hottest feels-like
38.8 °C
26 Oct 2025
Coldest feels-like
25.8 °C
10 Jul 2025
Sunniest day
12.3 h
25 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 Lamongan?

Lamongan has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,623 mm of precipitation per year.

What is the hottest day ever recorded in Lamongan?

The hottest day measured in Lamongan between 1940 and 2025 was 2 December 1949, reaching 33.5 °C.

What is the coldest day in Lamongan?

The coldest day measured in Lamongan between 1940 and 2025 was 12 August 1953, at 21.9 °C.

Does it snow in Lamongan?

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

Has the climate of Lamongan warmed?

Yes: Lamongan warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Lamongan?

The wettest day measured in Lamongan between 1940 and 2025 was 12 May 2025, with 142 mm of rain in 24 hours.

What was the windiest day in Lamongan?

The windiest day measured in Lamongan between 1940 and 2025 was 29 December 1949, with winds reaching 43.5 km/h.

What is the warmest month in Lamongan?

The warmest month in Lamongan is October (27.8 °C on average); the coldest is January (26.7 °C).

How much does it rain in Lamongan?

Lamongan receives on average 1,623 mm of precipitation per year, spread over about 216 rainy days.

Is it sunny in Lamongan?

Lamongan gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Are there tropical nights in Lamongan?

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

What was the most extreme apparent temperature in Lamongan?

In Lamongan, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 5 November 2016, and the lowest was 22.7 °C on 16 August 1986.

Compare Lamongan with another city

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