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Bangkok in April: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Bangkok in April will be like? Take a look at our weather guide for Bangkok, based on historical data.
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April

Weather in Bangkok in April 2025

OK Weather
Hot
🌧️
Rainy
If you plan to visit Bangkok in April, the weather is typically alright, with an average high temperature of +35°C during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 12 rainy days in the month and around 64 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • April is usually the hottest month of the year in Bangkok;

Average weather

☀️
+35°C
Avg. max. temperature
+21°C
Min.
+40°C
Max.
64 mm
Total precipitation
71%
Avg. humidity
2 m/s
Avg. wind
4 ☀️
Sunny Days
7 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Bangkok has OK weather in April.

Average temperature in Bangkok in April

Here are the expected maximum, average and minimum temperatures in Bangkok for April based on the historical data.
Last Year
Historical Data

Going from a maximum of +38°C during the day to a minimum of +26°C during the night, the temperature in April averages around +36°C.

The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +35°C to +31°C.

Is Bangkok warm or cold in April?

Bangkok is typically hot in April.

Maximum temperatures go up compared to the previous month from +34°C to +35°C. The minimum temperature also goes up from +26°C to +27°C.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

April is the hottest month in Bangkok, here is the comparison with other months:

Climate in Bangkok in April

Bangkok weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+34°C+35°C+34°C
Min. temperature
+17°C+21°C+23°C
Max. temperature
+38°C+40°C+39°C
Rainfall
36 mm64 mm132 mm
Wind
2 m/s2 m/s1 m/s
Humidity
72%71%74%
Air pressure
1009 HPa1008 HPa1006 HPa
Sunny days
840
Cloudy days
1073
Rainy days
101215
Snowy days
000

April typically has worse weather conditions compared to March. It’s getting warmer as April arrives. The average maximum temperature goes up from +34°C to +35°C during the day. Prepare for more rain. Average rainfall goes from 36 mm to 64 mm. It feels drier, as humidity decreases from 72% to 71%. The average wind speed doesn’t change much during April, staying around 2 m/s. The days becoming less sunny, going from 8 sunny days in March to 4 in April.

May brings much the same weather, it remains ok.

Wind

Wind speed in Bangkok in April based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Bangkok is gradually decreasing during April, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Bangkok based on historical data.
Last Year
Historical Data
Typically, there is a 30% chance of rain on an average day in April, with total rainfall of approximately 24 mm. The maximum amount of rainfall per day is around 6 mm, which is considered light rain. On average, there are about 9 rainy days during April, so prepare to bring an umbrella.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Bangkok wettest month is September, where a typical day has a 50% chance of precipitation and 232 mm of rainfall per day. December, on the other hand, is the driest month with a mere 13% chance of precipitation and 8 mm of rainfall per day.

How was the weather last April in Bangkok?

This is the weather in Bangkok in April 2023:
1 April
☀️
+35°C
2 April
☀️
+35°C
3 April
☀️
+36°C
4 April
☀️
+37°C
5 April
☁️
+37°C
6 April
☁️
+37°C
7 April
☁️
+34°C
8 April
☁️
+36°C
9 April
☁️
+36°C
10 April
☁️
+36°C
11 April
☁️
+37°C
12 April
☁️
+36°C
13 April
☁️
+36°C
14 April
☁️
+37°C
15 April
☁️
+37°C
16 April
☁️
+34°C
17 April
☁️
+36°C
18 April
☁️
+36°C
19 April
☀️
+37°C
20 April
☀️
+38°C
21 April
☀️
+38°C
22 April
☀️
+37°C
23 April
☀️
+36°C
24 April
☁️
+37°C
25 April
☁️
+38°C
26 April
☁️
+30°C
27 April
☁️
+35°C
28 April
☁️
+36°C
29 April
☁️
+36°C
30 April
☁️
+31°C
In April 2023 Bangkok had 9 sunny days, 21 cloudy days, and 0 rainy days. The average maximum temperature was +36°C, with an absolute maximum of +38°C and a minimum of +30°C. The average humidity was 74%, with a maximum of 100% and a minimum of 42%. The average wind speed was 2 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change over Years

This is how Bangkok climate have been changing during last 43 years period.

The climate in Bangkok in April has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+32°C) and the highest in 2020 (+34°C). The driest year was 1979 with only 810 mm of rainfall, and the wettest year was 2018 with 1630 mm.

FAQ

Frequently asked questions about the weather in Bangkok in April:

Is April a good time to visit Bangkok?

It’s always a good time to visit Bangkok, but the weather is changeable in April, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Bangkok in April?

Absolutely, April is hot in Bangkok. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Bangkok rainy in April?

Bangkok is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Bangkok in April?

Usually, it’s not very sunny in Bangkok in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Bangkok

Source of the data

For this page, we’ve looked at the typical weather in Bangkok, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.