Samut Prakan weather in April

In April, Samut Prakan has daytime highs averaging 33 °C, nights around 27 °C, with 11 wet days, and a sea temperature of 30 °C. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 28°
  3. Mar 29°
  4. Apr 30°
  5. May 29°
  6. Jun 29°
  7. Jul 28°
  8. Aug 28°
  9. Sep 28°
  10. Oct 27°
  11. Nov 27°
  12. Dec 26°

Daily temperatures through April

24°31°37°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 34.2 °C and lows bottom out at 26.5 °C.

How April develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 April33.2 °C26.8 °C32 %
11–20 April33.5 °C27.2 °C32 %
21–30 April33.6 °C27.2 °C48 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in April. Wettest date over the 30 years: April 28, at 73 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical April Share of the month
Days above 25 °C 30 of 30 100 %
Days above 30 °C 29 of 30 97 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 11 of 30 37 %

Conditions in April

MeasureAverage
Mean temperature 30 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 21 °C
Relative humidity 72 %
Wind speed 17 km/h
Cloud cover 56 %

Where Samut Prakan ranks in April

RankingPositionValue
Warmest sea temperatures in Asia in April10thof 5030 °C
Warmest sea temperatures in the world in April10thof 5030 °C

April compared with the months around it

Month Avg high Rainfall Cloud
February 31.5 °C 16 mm 36 %
March 32.4 °C 43 mm 43 %
April 33.4 °C 76 mm 56 %
May 32.5 °C 129 mm 80 %
June 31.7 °C 116 mm 87 %

See all twelve months for Samut Prakan

Nearby destinations in April

Destination Avg high Wet days Sea
Samut Prakan 33 °C 11 30
Bangkok 35 °C 11

QuestionsApril in Samut Prakan, answered

How warm is Samut Prakan in April?

Daily highs average 33 °C and nights fall to about 27 °C, a spread of 6.4 °C between afternoon and dawn. That makes April the 1st warmest month of the year here.

Does it rain much in Samut Prakan in April?

April averages 76 mm of rain, spread over about 11 of the 30 days — 37 % of the month. Cloud cover averages 56 % of the sky.

Is the sea warm enough to swim in April?

The sea averages 30 °C off Samut Prakan in April. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in April?

Samut Prakan averages 12 hours between sunrise and sunset in April. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.