Su-ngai Kolok climate — normals and trends
Su-ngai Kolok (Thailand) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 2,562 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 May (27.2 °C on average) and the coldest is January (24.5 °C). Rainfall peaks in December.
Su-ngai Kolok averages 0 frost days, 234 hot days (≥ 30 °C) and 285 rainy days per year.
Su-ngai Kolok has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.6 °C (on 21 May 1998) and the coldest 16.3 °C (on 27 February 1958).
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
Su-ngai KolokNarathiwat
- coords
- 6.03°, 101.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
30.6°C
Average daily low
22.8°C
Annual rainfall
2,562mm
Sunshine / day
10.0h
Mean relative humidity
86%
Average peak wind
9.7km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
234 d/yr
Rainy days (≥ 1 mm)
285 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.8 °C
Average feels-like low
27.2 °C
Average peak gust
27.5 km/h
Tropical nights (≥ 20 °C)
354 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.83 · 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
38.6 °C
21 May 1998
Coldest day
16.3 °C
27 February 1958
Wettest day
336 mm
21 November 2025
Windiest day
26.2 km/h
6 January 1946
Strongest gust
59.8 km/h
2 December 1981
Hottest feels-like
44.4 °C
3 May 2019
Coldest feels-like
17.0 °C
27 February 1958
Sunniest day
12.1 h
17 July 1951
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 | 28.7 °C | +0.3 °C | 262 mm | +88 mm |
| Feb | 30.1 °C | +0.6 °C | 127 mm | +27 mm |
| Mar | 30.6 °C | -0.3 °C | 110 mm | +3 mm |
| Apr | 31.8 °C | -0.6 °C | 229 mm | +105 mm |
| May | 32.8 °C | +0.5 °C | 219 mm | +28 mm |
| Jun | 32.2 °C | +0.3 °C | 142 mm | -23 mm |
| Jul | 32.0 °C | +0.4 °C | 114 mm | -68 mm |
| Aug | 32.0 °C | +0.5 °C | 223 mm | -5 mm |
| Sep | 31.8 °C | +0.7 °C | 187 mm | -76 mm |
| Oct | 31.5 °C | +1.2 °C | 200 mm | -102 mm |
| Nov | 29.6 °C | +0.6 °C | 1061 mm | +703 mm |
| Dec | 29.7 °C | +1.6 °C | 230 mm | -137 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 Su-ngai Kolok?
Su-ngai Kolok has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 2,562 mm of precipitation per year.
What is the hottest day ever recorded in Su-ngai Kolok?
The hottest day measured in Su-ngai Kolok between 1940 and 2025 was 21 May 1998, reaching 38.6 °C.
What is the coldest day in Su-ngai Kolok?
The coldest day measured in Su-ngai Kolok between 1940 and 2025 was 27 February 1958, at 16.3 °C.
Does it snow in Su-ngai Kolok?
Almost never: Su-ngai Kolok sees virtually no snow, with about 0 frost days per year.
Has the climate of Su-ngai Kolok warmed?
Yes: Su-ngai Kolok warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Su-ngai Kolok?
The wettest day measured in Su-ngai Kolok between 1940 and 2025 was 21 November 2025, with 336 mm of rain in 24 hours.
What was the windiest day in Su-ngai Kolok?
The windiest day measured in Su-ngai Kolok between 1940 and 2025 was 6 January 1946, with winds reaching 26.2 km/h.
What is the warmest month in Su-ngai Kolok?
The warmest month in Su-ngai Kolok is May (27.2 °C on average); the coldest is January (24.5 °C).
How much does it rain in Su-ngai Kolok?
Su-ngai Kolok receives on average 2,562 mm of precipitation per year, spread over about 285 rainy days.
Is it sunny in Su-ngai Kolok?
Su-ngai Kolok gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Su-ngai Kolok?
Yes: Su-ngai Kolok has on average 354 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Su-ngai Kolok?
In Su-ngai Kolok, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 3 May 2019, and the lowest was 17.0 °C on 27 February 1958.
Compare Su-ngai Kolok with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Su-ngai Kolok