Seka climate — normals and trends
Seka (Thailand) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 2,285 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 January (21.3 °C). Rainfall peaks in August.
Seka averages 0 frost days, 228 hot days (≥ 30 °C) and 178 rainy days per year.
Seka has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.0 °C (on 30 April 2024) and the coldest 2.2 °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
SekaBueng Kan
- coords
- 17.93°, 103.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
30.5°C
Average daily low
21.4°C
Annual rainfall
2,285mm
Sunshine / day
9.2h
Mean relative humidity
76%
Average peak wind
10.5km/h
Seasonal range
6.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
228 d/yr
Rainy days (≥ 1 mm)
178 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.8 °C
Average feels-like low
24.7 °C
Average peak gust
27.1 km/h
Tropical nights (≥ 20 °C)
256 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.59 · 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
41.0 °C
30 April 2024
Coldest day
2.2 °C
12 January 1955
Wettest day
202 mm
12 July 1969
Windiest day
36.6 km/h
23 August 1987
Strongest gust
81.0 km/h
23 August 1987
Hottest feels-like
46.8 °C
7 May 2023
Coldest feels-like
-0.8 °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 | 28.0 °C | -0.3 °C | 0 mm | -9 mm |
| Feb | 30.6 °C | +0.5 °C | 14 mm | -5 mm |
| Mar | 32.6 °C | +0.3 °C | 14 mm | -30 mm |
| Apr | 33.7 °C | +0.5 °C | 64 mm | -24 mm |
| May | 32.8 °C | +1.1 °C | 204 mm | -72 mm |
| Jun | 32.0 °C | +1.2 °C | 379 mm | -51 mm |
| Jul | 30.2 °C | -0.3 °C | 550 mm | +86 mm |
| Aug | 31.5 °C | +1.4 °C | 384 mm | -125 mm |
| Sep | 31.4 °C | +1.0 °C | 341 mm | +12 mm |
| Oct | 31.7 °C | +0.9 °C | 54 mm | -42 mm |
| Nov | 29.7 °C | -0.4 °C | 26 mm | +10 mm |
| Dec | 31.2 °C | +3.0 °C | 4 mm | -1 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 Seka?
Seka has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 2,285 mm of precipitation per year.
What is the hottest day ever recorded in Seka?
The hottest day measured in Seka between 1940 and 2025 was 30 April 2024, reaching 41.0 °C.
What is the coldest day in Seka?
The coldest day measured in Seka between 1940 and 2025 was 12 January 1955, at 2.2 °C.
Does it snow in Seka?
Almost never: Seka sees virtually no snow, with about 0 frost days per year.
Has the climate of Seka warmed?
Yes: Seka warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Seka?
The wettest day measured in Seka between 1940 and 2025 was 12 July 1969, with 202 mm of rain in 24 hours.
What was the windiest day in Seka?
The windiest day measured in Seka between 1940 and 2025 was 23 August 1987, with winds reaching 36.6 km/h.
What is the warmest month in Seka?
The warmest month in Seka is April (27.9 °C on average); the coldest is January (21.3 °C).
How much does it rain in Seka?
Seka receives on average 2,285 mm of precipitation per year, spread over about 178 rainy days.
Is it sunny in Seka?
Seka gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Seka?
Yes: Seka has on average 256 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Seka?
In Seka, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 7 May 2023, and the lowest was -0.8 °C on 12 January 1955.
Compare Seka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Seka