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
- 1940–2025 · 86 yrs
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
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
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
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.9 °C | -0.9 °C | 1 mm | -15 mm |
| Feb | 32.0 °C | -0.3 °C | 37 mm | +11 mm |
| Mar | 33.6 °C | -0.1 °C | 34 mm | -7 mm |
| Apr | 34.6 °C | -0.2 °C | 75 mm | +8 mm |
| May | 33.3 °C | -0.6 °C | 208 mm | +69 mm |
| Jun | 34.3 °C | +1.3 °C | 83 mm | -48 mm |
| Jul | 33.1 °C | +0.7 °C | 142 mm | -2 mm |
| Aug | 33.6 °C | +1.4 °C | 146 mm | -7 mm |
| Sep | 32.1 °C | +0.5 °C | 267 mm | +45 mm |
| Oct | 31.6 °C | +0.8 °C | 173 mm | -45 mm |
| Nov | 29.8 °C | -0.7 °C | 122 mm | +48 mm |
| Dec | 30.8 °C | +0.6 °C | 5 mm | -8 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
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
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Damnoen Saduak