Sawang Daen Din climate — normals and trends
Sawang Daen Din has a tropical savanna climate, averaging 26.2 °C annually with 1,717 mm of rain per year.
Climate normals · ERA5
Sawang Daen DinSakon Nakhon
- coords
- 17.48°, 103.46°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
26.2°C
Average daily high
31.2°C
Average daily low
22.1°C
Annual rainfall
1,717mm
Sunshine / day
9.7h
Mean relative humidity
72%
Average peak wind
12.4km/h
Seasonal range
6.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
254 d/yr
Rainy days (≥ 1 mm)
166 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.1 °C
Average feels-like low
24.9 °C
Average peak gust
29.4 km/h
Tropical nights (≥ 20 °C)
271 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.61 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
42.7 °C
29 April 2024
Coldest day
4.1 °C
12 January 1955
Wettest day
120 mm
21 August 1961
Windiest day
38.2 km/h
30 August 2019
Strongest gust
71.3 km/h
23 August 1987
Hottest feels-like
47.9 °C
7 May 2023
Coldest feels-like
1.0 °C
12 January 1955
Sunniest day
12.7 h
17 June 1948
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.4 °C | -0.5 °C | 0 mm | -9 mm |
| Feb | 31.6 °C | +0.5 °C | 8 mm | -9 mm |
| Mar | 33.7 °C | +0.2 °C | 14 mm | -29 mm |
| Apr | 35.0 °C | +0.6 °C | 63 mm | -24 mm |
| May | 33.1 °C | +0.2 °C | 211 mm | -13 mm |
| Jun | 32.5 °C | +0.6 °C | 216 mm | -51 mm |
| Jul | 31.0 °C | -0.3 °C | 403 mm | +116 mm |
| Aug | 32.0 °C | +1.1 °C | 311 mm | -45 mm |
| Sep | 31.5 °C | +0.7 °C | 299 mm | -5 mm |
| Oct | 32.0 °C | +1.3 °C | 46 mm | -53 mm |
| Nov | 29.8 °C | -0.2 °C | 48 mm | +29 mm |
| Dec | 31.3 °C | +2.9 °C | 10 mm | +5 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Sawang Daen Din (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 1,717 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 (28.9 °C on average) and the coldest is December (22.1 °C). Rainfall peaks in August.
Sawang Daen Din averages 0 frost days, 254 hot days (≥ 30 °C) and 166 rainy days per year.
Sawang Daen Din has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.7 °C (on 29 April 2024) and the coldest 4.1 °C (on 12 January 1955).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Sawang Daen Din with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sawang Daen Din
Other cities — Thailand
Frequently asked questions
What is the climate of Sawang Daen Din?
Sawang Daen Din has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 1,717 mm of precipitation per year.
What is the hottest day ever recorded in Sawang Daen Din?
The hottest day measured in Sawang Daen Din between 1940 and 2025 was 29 April 2024, reaching 42.7 °C.
What is the coldest day in Sawang Daen Din?
The coldest day measured in Sawang Daen Din between 1940 and 2025 was 12 January 1955, at 4.1 °C.
Does it snow in Sawang Daen Din?
Almost never: Sawang Daen Din sees virtually no snow, with about 0 frost days per year.
Has the climate of Sawang Daen Din warmed?
Yes: Sawang Daen Din warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sawang Daen Din?
The wettest day measured in Sawang Daen Din between 1940 and 2025 was 21 August 1961, with 120 mm of rain in 24 hours.
What was the windiest day in Sawang Daen Din?
The windiest day measured in Sawang Daen Din between 1940 and 2025 was 30 August 2019, with winds reaching 38.2 km/h.
What is the warmest month in Sawang Daen Din?
The warmest month in Sawang Daen Din is April (28.9 °C on average); the coldest is December (22.1 °C).
How much does it rain in Sawang Daen Din?
Sawang Daen Din receives on average 1,717 mm of precipitation per year, spread over about 166 rainy days.
Is it sunny in Sawang Daen Din?
Sawang Daen Din gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Sawang Daen Din?
Yes: Sawang Daen Din has on average 271 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sawang Daen Din?
In Sawang Daen Din, between 1940 and 2025, the highest apparent temperature reached 47.9 °C on 7 May 2023, and the lowest was 1.0 °C on 12 January 1955.
These forecasts and records come from our own weather API. Developer documentation →