Phon Charoen climate — normals and trends
Phon Charoen (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 2,021 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 (28.5 °C on average) and the coldest is January (21.8 °C). Rainfall peaks in August.
Phon Charoen averages 0 frost days, 246 hot days (≥ 30 °C) and 171 rainy days per year.
Phon Charoen has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.5 °C (on 6 May 2023) and the coldest 3.7 °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
Phon CharoenNong Khai
- coords
- 18.03°, 103.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
31.1°C
Average daily low
21.9°C
Annual rainfall
2,021mm
Sunshine / day
9.4h
Mean relative humidity
75%
Average peak wind
11.0km/h
Seasonal range
6.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
246 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
25.2 °C
Average peak gust
27.2 km/h
Tropical nights (≥ 20 °C)
267 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.66 · 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
42.5 °C
6 May 2023
Coldest day
3.7 °C
12 January 1955
Wettest day
137 mm
26 August 1974
Windiest day
35.6 km/h
13 March 2009
Strongest gust
70.2 km/h
23 September 1964
Hottest feels-like
47.7 °C
7 May 2023
Coldest feels-like
0.5 °C
12 January 1955
Sunniest day
12.8 h
13 June 1947
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 | 28.2 °C | -0.4 °C | 0 mm | -11 mm |
| Feb | 31.1 °C | +0.4 °C | 34 mm | +16 mm |
| Mar | 33.0 °C | 0.0 °C | 11 mm | -33 mm |
| Apr | 34.6 °C | +0.6 °C | 74 mm | -16 mm |
| May | 33.3 °C | +0.8 °C | 177 mm | -92 mm |
| Jun | 32.5 °C | +0.9 °C | 307 mm | -57 mm |
| Jul | 30.8 °C | -0.3 °C | 434 mm | +68 mm |
| Aug | 32.1 °C | +1.3 °C | 317 mm | -100 mm |
| Sep | 31.7 °C | +0.8 °C | 356 mm | +34 mm |
| Oct | 32.3 °C | +1.4 °C | 43 mm | -55 mm |
| Nov | 30.0 °C | -0.1 °C | 35 mm | +18 mm |
| Dec | 31.0 °C | +2.6 °C | 7 mm | +2 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 Phon Charoen?
Phon Charoen has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 2,021 mm of precipitation per year.
What is the hottest day ever recorded in Phon Charoen?
The hottest day measured in Phon Charoen between 1940 and 2025 was 6 May 2023, reaching 42.5 °C.
What is the coldest day in Phon Charoen?
The coldest day measured in Phon Charoen between 1940 and 2025 was 12 January 1955, at 3.7 °C.
Does it snow in Phon Charoen?
Almost never: Phon Charoen sees virtually no snow, with about 0 frost days per year.
Has the climate of Phon Charoen warmed?
Yes: Phon Charoen warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Phon Charoen?
The wettest day measured in Phon Charoen between 1940 and 2025 was 26 August 1974, with 137 mm of rain in 24 hours.
What was the windiest day in Phon Charoen?
The windiest day measured in Phon Charoen between 1940 and 2025 was 13 March 2009, with winds reaching 35.6 km/h.
What is the warmest month in Phon Charoen?
The warmest month in Phon Charoen is April (28.5 °C on average); the coldest is January (21.8 °C).
How much does it rain in Phon Charoen?
Phon Charoen receives on average 2,021 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Phon Charoen?
Phon Charoen gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Phon Charoen?
Yes: Phon Charoen has on average 267 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Phon Charoen?
In Phon Charoen, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 7 May 2023, and the lowest was 0.5 °C on 12 January 1955.
Compare Phon Charoen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Phon Charoen