Nakhon Nayok climate — normals and trends
Nakhon Nayok (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 1,892 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 (27.9 °C on average) and the coldest is December (23.7 °C). Rainfall peaks in September.
Nakhon Nayok averages 0 frost days, 255 hot days (≥ 30 °C) and 201 rainy days per year.
Nakhon Nayok 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 38.2 °C (on 12 March 1946) and the coldest 8.1 °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.
Climate normals · ERA5
Nakhon NayokNakhon Nayok
- coords
- 14.20°, 101.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
31.0°C
Average daily low
22.2°C
Annual rainfall
1,892mm
Sunshine / day
9.7h
Mean relative humidity
79%
Average peak wind
9.9km/h
Seasonal range
4.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
255 d/yr
Rainy days (≥ 1 mm)
201 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
25.8 °C
Average peak gust
28.8 km/h
Tropical nights (≥ 20 °C)
307 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.78 · 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
38.2 °C
12 March 1946
Coldest day
8.1 °C
12 January 1955
Wettest day
201 mm
4 September 1943
Windiest day
26.8 km/h
18 October 1983
Strongest gust
78.5 km/h
2 August 2019
Hottest feels-like
46.0 °C
15 April 1953
Coldest feels-like
5.1 °C
12 January 1955
Sunniest day
12.7 h
3 July 2021
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 | 29.8 °C | -0.5 °C | 0 mm | -13 mm |
| Feb | 32.4 °C | +0.7 °C | 26 mm | -1 mm |
| Mar | 33.0 °C | 0.0 °C | 37 mm | -17 mm |
| Apr | 33.4 °C | -0.1 °C | 92 mm | +2 mm |
| May | 31.7 °C | -0.4 °C | 275 mm | +78 mm |
| Jun | 31.7 °C | +0.9 °C | 216 mm | -50 mm |
| Jul | 30.6 °C | +0.4 °C | 315 mm | +29 mm |
| Aug | 31.2 °C | +1.1 °C | 210 mm | -96 mm |
| Sep | 30.4 °C | +0.5 °C | 415 mm | +41 mm |
| Oct | 31.3 °C | +1.1 °C | 227 mm | +2 mm |
| Nov | 29.2 °C | -0.9 °C | 171 mm | +121 mm |
| Dec | 30.5 °C | +0.9 °C | 16 mm | +8 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 Nakhon Nayok?
Nakhon Nayok has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 1,892 mm of precipitation per year.
What is the hottest day ever recorded in Nakhon Nayok?
The hottest day measured in Nakhon Nayok between 1940 and 2025 was 12 March 1946, reaching 38.2 °C.
What is the coldest day in Nakhon Nayok?
The coldest day measured in Nakhon Nayok between 1940 and 2025 was 12 January 1955, at 8.1 °C.
Does it snow in Nakhon Nayok?
Almost never: Nakhon Nayok sees virtually no snow, with about 0 frost days per year.
Has the climate of Nakhon Nayok warmed?
Yes: Nakhon Nayok warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nakhon Nayok?
The wettest day measured in Nakhon Nayok between 1940 and 2025 was 4 September 1943, with 201 mm of rain in 24 hours.
What was the windiest day in Nakhon Nayok?
The windiest day measured in Nakhon Nayok between 1940 and 2025 was 18 October 1983, with winds reaching 26.8 km/h.
What is the warmest month in Nakhon Nayok?
The warmest month in Nakhon Nayok is April (27.9 °C on average); the coldest is December (23.7 °C).
How much does it rain in Nakhon Nayok?
Nakhon Nayok receives on average 1,892 mm of precipitation per year, spread over about 201 rainy days.
Is it sunny in Nakhon Nayok?
Nakhon Nayok gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Nakhon Nayok?
Yes: Nakhon Nayok has on average 307 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nakhon Nayok?
In Nakhon Nayok, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 15 April 1953, and the lowest was 5.1 °C on 12 January 1955.
Compare Nakhon Nayok with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nakhon Nayok