Damnoen Saduak climate — normals and trends

Damnoen Saduak (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 28.0 °C and it receives 1,242 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 April (30.1 °C on average) and the coldest is December (25.5 °C). Rainfall peaks in September.

Damnoen Saduak averages 0 frost days, 307 hot days (≥ 30 °C) and 174 rainy days per year.

Damnoen Saduak has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.9 °C (on 2 May 1967) and the coldest 12.7 °C (on 25 December 1999).

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

Damnoen SaduakRatchaburi

coords
13.52°, 99.95°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthAprilColdest monthDecemberWettest monthSeptemberDriest monthDecember

Mean daily temperature

28.0°C

Average daily high

32.2°C

Average daily low

24.7°C

Annual rainfall

1,242mm

Sunshine / day

10.0h

Mean relative humidity

74%

Average peak wind

13.2km/h

Seasonal range

4.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

307 d/yr

Rainy days (≥ 1 mm)

174 d/yr

Annual snowfall

0.0 cm

Average feels-like high

37.1 °C

Average feels-like low

28.8 °C

Average peak gust

31.2 km/h

Tropical nights (≥ 20 °C)

346 d/yr

Solar radiation

18.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.76 · 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

39.9 °C

2 May 1967

Coldest day

12.7 °C

25 December 1999

Wettest day

187 mm

30 January 1953

Windiest day

30.1 km/h

4 November 1997

Strongest gust

66.2 km/h

5 August 2002

Hottest feels-like

46.8 °C

25 April 2019

Coldest feels-like

9.2 °C

25 December 1999

Sunniest day

12.8 h

6 July 1942

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202536.8 °C9 May 202517.0 °C29 November 202528.4 °C1,292 mm3240
202437.7 °C5 May 202419.6 °C21 December 202429.4 °C1,114 mm3510
202339.2 °C6 May 202318.3 °C31 January 202328.9 °C1,148 mm3370
202238.1 °C14 April 202218.8 °C20 December 202228.4 °C1,573 mm3250
202138.4 °C19 May 202116.4 °C13 January 202128.4 °C1,280 mm3220
202037.4 °C16 May 202019.2 °C22 December 202028.9 °C1,116 mm3370
201939.5 °C3 May 201917.8 °C7 December 201929.0 °C1,018 mm3410
201836.8 °C15 April 201818.6 °C14 January 201828.5 °C1,434 mm3320
201737.9 °C26 April 201716.3 °C20 December 201728.6 °C1,363 mm3240
201638.4 °C13 May 201615.8 °C26 January 201629.0 °C1,085 mm3400
201538.7 °C21 April 201517.3 °C16 January 201528.9 °C937 mm3430
201437.7 °C27 April 201414.1 °C24 January 201428.4 °C1,126 mm3260
201338.9 °C14 May 201315.8 °C28 December 201328.3 °C1,286 mm3150
201238.8 °C25 April 201220.9 °C9 January 201228.8 °C1,264 mm3380
201137.6 °C18 April 201117.9 °C12 December 201128.0 °C1,204 mm3130
201039.1 °C10 May 201019.1 °C18 December 201029.0 °C1,095 mm3410
200939.1 °C23 April 200915.6 °C12 January 200928.5 °C1,043 mm3400
200837.6 °C17 April 200818.5 °C11 December 200828.2 °C1,182 mm3350
200737.6 °C23 April 200717.0 °C4 February 200728.7 °C1,183 mm3370
200637.7 °C12 April 200617.0 °C24 December 200629.0 °C1,160 mm3440
200537.6 °C5 May 200517.3 °C3 January 200528.8 °C1,158 mm3320
200438.2 °C15 April 200418.5 °C21 December 200428.8 °C868 mm3480
200338.6 °C6 May 200318.1 °C14 January 200328.7 °C1,109 mm3410
200237.7 °C10 April 200219.1 °C4 January 200228.9 °C1,168 mm3380
200139.5 °C20 April 200117.8 °C24 December 200128.6 °C1,242 mm3170
200037.6 °C31 July 200017.2 °C4 February 200028.5 °C1,109 mm3470
199937.6 °C18 March 199912.7 °C25 December 199927.9 °C1,430 mm3120
199839.2 °C24 April 199818.4 °C17 December 199829.2 °C1,094 mm3450
199738.5 °C5 May 199717.1 °C5 January 199728.9 °C905 mm3480
199638.9 °C19 April 199615.2 °C1 January 199628.1 °C1,615 mm3150
199539.8 °C15 April 199515.8 °C30 December 199528.5 °C1,318 mm3330
199438.2 °C5 May 199418.5 °C27 January 199428.7 °C1,016 mm3460
199338.6 °C28 March 199316.0 °C30 January 199328.4 °C967 mm3280
199238.8 °C10 May 199216.5 °C20 January 199228.2 °C1,003 mm3090
199138.6 °C19 May 199119.5 °C15 February 199128.6 °C1,082 mm3410
199039.8 °C23 April 199017.1 °C6 December 199028.8 °C886 mm3470
198938.5 °C4 April 198917.5 °C4 December 198928.3 °C1,057 mm3340
198837.9 °C7 April 198817.8 °C14 December 198828.3 °C1,226 mm3110
198739.1 °C11 April 198716.0 °C9 December 198728.6 °C964 mm3180
198637.5 °C20 April 198615.9 °C7 January 198627.8 °C1,111 mm3100
198538.2 °C10 April 198516.6 °C18 December 198527.8 °C1,252 mm3110
198437.3 °C21 April 198414.8 °C10 January 198427.8 °C876 mm3230
198337.7 °C21 May 198315.6 °C25 January 198327.9 °C1,240 mm2960
198238.4 °C2 May 198214.9 °C29 December 198227.9 °C944 mm3230
198137.7 °C2 May 198115.6 °C19 January 198127.7 °C1,280 mm2920
198039.6 °C14 May 198017.8 °C30 January 198028.3 °C1,080 mm3370
197939.6 °C20 April 197917.9 °C27 December 197928.5 °C804 mm3460
197837.7 °C5 May 197817.2 °C16 December 197827.9 °C1,419 mm3130
197737.1 °C8 June 197717.9 °C6 March 197728.0 °C873 mm3300
197637.8 °C13 April 197613.4 °C1 January 197627.2 °C1,486 mm2900
197538.1 °C29 April 197513.4 °C31 December 197527.2 °C1,716 mm2910
197438.3 °C22 April 197414.3 °C4 January 197427.2 °C1,658 mm2860
197338.4 °C23 April 197314.1 °C27 December 197327.7 °C1,214 mm3000
197239.3 °C4 May 197215.1 °C16 January 197227.6 °C1,571 mm3000
197137.6 °C30 April 197115.5 °C7 January 197127.0 °C1,243 mm2760
197038.9 °C11 May 197018.4 °C2 January 197027.6 °C1,351 mm2930
196939.1 °C13 May 196916.6 °C5 December 196928.1 °C1,131 mm2960
196837.4 °C28 May 196815.8 °C6 January 196827.8 °C1,021 mm3350
196739.9 °C2 May 196714.7 °C17 January 196727.5 °C1,067 mm3020
196636.6 °C26 April 196617.0 °C2 January 196627.0 °C1,680 mm2330
196538.1 °C30 April 196515.0 °C22 January 196527.4 °C1,457 mm2980
196436.3 °C11 April 196415.6 °C19 December 196427.3 °C1,352 mm2750
196337.4 °C17 May 196313.5 °C16 January 196327.2 °C1,292 mm2700
196236.7 °C23 April 196215.7 °C6 December 196227.3 °C1,285 mm2840
196136.8 °C26 April 196114.2 °C19 January 196127.5 °C1,146 mm2990
196038.5 °C25 April 196013.7 °C4 January 196027.8 °C1,196 mm3060
195937.3 °C27 April 195918.2 °C20 January 195927.8 °C1,107 mm2980
195837.7 °C27 May 195817.8 °C25 November 195827.6 °C983 mm2790
195737.8 °C18 May 195714.6 °C6 February 195727.5 °C1,646 mm2950
195635.7 °C30 March 195614.4 °C17 January 195626.9 °C1,263 mm2700
195536.6 °C9 May 195512.8 °C12 January 195527.0 °C1,637 mm2680
195437.0 °C13 April 195414.8 °C17 December 195427.5 °C952 mm3040
195335.5 °C17 April 195315.7 °C12 December 195326.4 °C2,590 mm2190
195237.7 °C30 April 195214.6 °C12 December 195227.2 °C1,731 mm2620
195137.1 °C10 April 195116.5 °C2 January 195127.4 °C1,124 mm2890
195037.6 °C23 April 195017.3 °C4 January 195027.2 °C1,327 mm2800
194936.6 °C23 May 194915.4 °C17 January 194927.2 °C1,029 mm2840
194837.0 °C12 March 194815.7 °C3 January 194827.1 °C1,186 mm2740
194737.3 °C7 May 194716.4 °C30 December 194727.5 °C1,139 mm2850
194636.9 °C2 March 194616.0 °C9 January 194627.0 °C1,268 mm2860
194536.1 °C2 March 194516.1 °C31 December 194526.8 °C1,547 mm2400
194436.9 °C8 April 194414.7 °C21 December 194427.1 °C1,510 mm2620
194335.7 °C27 April 194316.4 °C13 January 194326.4 °C1,468 mm2240
194236.3 °C24 February 194215.7 °C18 December 194226.7 °C1,324 mm2450
194138.0 °C26 April 194118.5 °C24 January 194127.0 °C1,597 mm2150
194038.4 °C11 March 194014.9 °C3 January 194026.6 °C1,541 mm2150

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
32.4 °C
+0.2 °C
Hot days (≥ 30 °C)
324 d/yr
+17
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1292 mm
+50 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan29.9 °C-0.9 °C1 mm-15 mm
Feb32.0 °C-0.3 °C37 mm+11 mm
Mar33.6 °C-0.1 °C34 mm-7 mm
Apr34.6 °C-0.2 °C75 mm+8 mm
May33.3 °C-0.6 °C208 mm+69 mm
Jun34.3 °C+1.3 °C83 mm-48 mm
Jul33.1 °C+0.7 °C142 mm-2 mm
Aug33.6 °C+1.4 °C146 mm-7 mm
Sep32.1 °C+0.5 °C267 mm+45 mm
Oct31.6 °C+0.8 °C173 mm-45 mm
Nov29.8 °C-0.7 °C122 mm+48 mm
Dec30.8 °C+0.6 °C5 mm-8 mm

The year's extremes

Hottest day
36.8 °C
9 May 2025
Coldest day
17.0 °C
29 Nov 2025
Wettest day
61.3 mm
7 Sep 2025
Windiest day
20.9 km/h
27 Nov 2025
Strongest gust
63.4 km/h
23 Jul 2025
Hottest feels-like
45.0 °C
25 Apr 2025
Coldest feels-like
16.0 °C
29 Nov 2025
Sunniest day
12.7 h
25 Jul 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 Damnoen Saduak?

Damnoen Saduak has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 1,242 mm of precipitation per year.

What is the hottest day ever recorded in Damnoen Saduak?

The hottest day measured in Damnoen Saduak between 1940 and 2025 was 2 May 1967, reaching 39.9 °C.

What is the coldest day in Damnoen Saduak?

The coldest day measured in Damnoen Saduak between 1940 and 2025 was 25 December 1999, at 12.7 °C.

Does it snow in Damnoen Saduak?

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

Has the climate of Damnoen Saduak warmed?

Yes: Damnoen Saduak warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Damnoen Saduak?

The wettest day measured in Damnoen Saduak between 1940 and 2025 was 30 January 1953, with 187 mm of rain in 24 hours.

What was the windiest day in Damnoen Saduak?

The windiest day measured in Damnoen Saduak between 1940 and 2025 was 4 November 1997, with winds reaching 30.1 km/h.

What is the warmest month in Damnoen Saduak?

The warmest month in Damnoen Saduak is April (30.1 °C on average); the coldest is December (25.5 °C).

How much does it rain in Damnoen Saduak?

Damnoen Saduak receives on average 1,242 mm of precipitation per year, spread over about 174 rainy days.

Is it sunny in Damnoen Saduak?

Damnoen Saduak gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Are there tropical nights in Damnoen Saduak?

Yes: Damnoen Saduak has on average 346 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Damnoen Saduak?

In Damnoen Saduak, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 25 April 2019, and the lowest was 9.2 °C on 25 December 1999.

Compare Damnoen Saduak with another city

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Nearby cities

The climate around Damnoen Saduak

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