Phatthalung climate — normals and trends
Phatthalung (Thailand) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 1,894 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 (27.1 °C on average) and the coldest is January (24.9 °C). Rainfall peaks in November.
Phatthalung averages 0 frost days, 207 hot days (≥ 30 °C) and 265 rainy days per year.
Phatthalung has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.1 °C (on 11 April 2016) and the coldest 16.2 °C (on 3 January 1957).
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
PhatthalungPhatthalung
- coords
- 7.62°, 100.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
30.3°C
Average daily low
23.1°C
Annual rainfall
1,894mm
Sunshine / day
9.7h
Mean relative humidity
85%
Average peak wind
11.9km/h
Seasonal range
2.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
207 d/yr
Rainy days (≥ 1 mm)
265 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.6 °C
Average feels-like low
27.6 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
360 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.84 · 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
37.1 °C
11 April 2016
Coldest day
16.2 °C
3 January 1957
Wettest day
264 mm
16 December 2005
Windiest day
29.5 km/h
25 February 2016
Strongest gust
76.3 km/h
18 August 1957
Hottest feels-like
45.2 °C
11 April 2016
Coldest feels-like
17.4 °C
3 January 1957
Sunniest day
12.4 h
1 July 2025
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 | 29.2 °C | +0.7 °C | 77 mm | -23 mm |
| Feb | 30.1 °C | +0.6 °C | 82 mm | +22 mm |
| Mar | 31.2 °C | +0.4 °C | 79 mm | -8 mm |
| Apr | 32.1 °C | +0.3 °C | 247 mm | +128 mm |
| May | 32.2 °C | +0.5 °C | 239 mm | +79 mm |
| Jun | 31.9 °C | +0.4 °C | 112 mm | -1 mm |
| Jul | 32.7 °C | +1.5 °C | 60 mm | -64 mm |
| Aug | 32.1 °C | +0.9 °C | 125 mm | -7 mm |
| Sep | 32.6 °C | +1.9 °C | 159 mm | -23 mm |
| Oct | 30.9 °C | +1.1 °C | 255 mm | -19 mm |
| Nov | 29.4 °C | +0.7 °C | 744 mm | +427 mm |
| Dec | 29.8 °C | +1.7 °C | 137 mm | -90 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 Phatthalung?
Phatthalung has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 1,894 mm of precipitation per year.
What is the hottest day ever recorded in Phatthalung?
The hottest day measured in Phatthalung between 1940 and 2025 was 11 April 2016, reaching 37.1 °C.
What is the coldest day in Phatthalung?
The coldest day measured in Phatthalung between 1940 and 2025 was 3 January 1957, at 16.2 °C.
Does it snow in Phatthalung?
Almost never: Phatthalung sees virtually no snow, with about 0 frost days per year.
Has the climate of Phatthalung warmed?
Yes: Phatthalung warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Phatthalung?
The wettest day measured in Phatthalung between 1940 and 2025 was 16 December 2005, with 264 mm of rain in 24 hours.
What was the windiest day in Phatthalung?
The windiest day measured in Phatthalung between 1940 and 2025 was 25 February 2016, with winds reaching 29.5 km/h.
What is the warmest month in Phatthalung?
The warmest month in Phatthalung is April (27.1 °C on average); the coldest is January (24.9 °C).
How much does it rain in Phatthalung?
Phatthalung receives on average 1,894 mm of precipitation per year, spread over about 265 rainy days.
Is it sunny in Phatthalung?
Phatthalung gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Phatthalung?
Yes: Phatthalung has on average 360 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Phatthalung?
In Phatthalung, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 11 April 2016, and the lowest was 17.4 °C on 3 January 1957.
Compare Phatthalung with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Phatthalung