Sakon Nakhon climate — normals and trends
Sakon Nakhon (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 1,715 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 (28.4 °C on average) and the coldest is January (21.8 °C). Rainfall peaks in August.
Sakon Nakhon averages 0 frost days, 239 hot days (≥ 30 °C) and 169 rainy days per year.
Sakon Nakhon has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.8 °C (on 30 April 2024) and the coldest 3.5 °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.
Climate normals · ERA5
Sakon NakhonSakon Nakhon
- coords
- 17.16°, 104.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
30.9°C
Average daily low
21.9°C
Annual rainfall
1,715mm
Sunshine / day
9.7h
Mean relative humidity
74%
Average peak wind
12.8km/h
Seasonal range
6.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
239 d/yr
Rainy days (≥ 1 mm)
169 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.8 °C
Average feels-like low
24.7 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
264 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.56 · 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
41.8 °C
30 April 2024
Coldest day
3.5 °C
12 January 1955
Wettest day
154 mm
12 August 1978
Windiest day
41.8 km/h
30 August 1990
Strongest gust
97.9 km/h
30 August 1990
Hottest feels-like
46.5 °C
21 March 1953
Coldest feels-like
0.2 °C
12 January 1955
Sunniest day
12.7 h
25 June 1956
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 | 28.3 °C | -0.4 °C | 0 mm | -8 mm |
| Feb | 31.4 °C | +0.8 °C | 0 mm | -16 mm |
| Mar | 32.7 °C | -0.2 °C | 33 mm | -12 mm |
| Apr | 34.2 °C | +0.4 °C | 61 mm | -28 mm |
| May | 32.8 °C | +0.4 °C | 226 mm | +3 mm |
| Jun | 32.2 °C | +0.7 °C | 227 mm | -41 mm |
| Jul | 30.6 °C | -0.4 °C | 406 mm | +110 mm |
| Aug | 31.7 °C | +1.1 °C | 319 mm | -42 mm |
| Sep | 31.3 °C | +0.8 °C | 288 mm | +2 mm |
| Oct | 31.7 °C | +1.3 °C | 69 mm | -32 mm |
| Nov | 28.7 °C | -1.0 °C | 75 mm | +55 mm |
| Dec | 30.6 °C | +2.4 °C | 0 mm | -4 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 Sakon Nakhon?
Sakon Nakhon has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 1,715 mm of precipitation per year.
What is the hottest day ever recorded in Sakon Nakhon?
The hottest day measured in Sakon Nakhon between 1940 and 2025 was 30 April 2024, reaching 41.8 °C.
What is the coldest day in Sakon Nakhon?
The coldest day measured in Sakon Nakhon between 1940 and 2025 was 12 January 1955, at 3.5 °C.
Does it snow in Sakon Nakhon?
Almost never: Sakon Nakhon sees virtually no snow, with about 0 frost days per year.
Has the climate of Sakon Nakhon warmed?
Yes: Sakon Nakhon warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sakon Nakhon?
The wettest day measured in Sakon Nakhon between 1940 and 2025 was 12 August 1978, with 154 mm of rain in 24 hours.
What was the windiest day in Sakon Nakhon?
The windiest day measured in Sakon Nakhon between 1940 and 2025 was 30 August 1990, with winds reaching 41.8 km/h.
What is the warmest month in Sakon Nakhon?
The warmest month in Sakon Nakhon is April (28.4 °C on average); the coldest is January (21.8 °C).
How much does it rain in Sakon Nakhon?
Sakon Nakhon receives on average 1,715 mm of precipitation per year, spread over about 169 rainy days.
Is it sunny in Sakon Nakhon?
Sakon Nakhon gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Sakon Nakhon?
Yes: Sakon Nakhon has on average 264 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sakon Nakhon?
In Sakon Nakhon, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 21 March 1953, and the lowest was 0.2 °C on 12 January 1955.
Compare Sakon Nakhon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sakon Nakhon