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Khon Kaen in April: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Khon Kaen in April will be like? Take a look at our weather guide for Khon Kaen, based on historical data.
Check flight prices to Khon Kaen on Avionero:
April

Weather in Khon Kaen in April 2026

OK Weather
Hot
🌧️
Rainy
If you plan to visit Khon Kaen in April, the weather is typically alright, with an average high temperature of +36°C during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 62 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 Khon Kaen;

Average weather

☀️
+36°C
Avg. max. temperature
+17°C
Min.
+43°C
Max.
62 mm
Total precipitation
63%
Avg. humidity
1 m/s
Avg. wind
6 ☀️
Sunny Days
6 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Khon Kaen has OK weather in April.

Average temperature in Khon Kaen in April

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

Going from a maximum of +42°C during the day to a minimum of +24°C during the night, the temperature in April averages around +39°C.

The average maximum temperature goes down 22% by the end of the month, compared with the beginning of the month, from +37°C to +33°C.

Is Khon Kaen warm or cold in April?

Khon Kaen is typically hot in April.

Maximum temperatures go up compared to the previous month from +35°C to +36°C. The minimum temperature also goes up from +23°C to +26°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 Khon Kaen, here is the comparison with other months:

Climate in Khon Kaen in April

Khon Kaen weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+35°C+36°C+35°C
Min. temperature
+12°C+17°C+20°C
Max. temperature
+42°C+43°C+43°C
Rainfall
30 mm62 mm154 mm
Wind
1 m/s1 m/s1 m/s
Humidity
60%63%72%
Air pressure
1009 HPa1008 HPa1006 HPa
Sunny days
1361
Cloudy days
863
Rainy days
81420
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 +35°C to +36°C during the day. Prepare for more rain. Average rainfall goes from 30 mm to 62 mm. Humidity rises from 60% to 63%. The average wind speed doesn’t change much during April, staying around 1 m/s. The days becoming less sunny, going from 13 sunny days in March to 6 in April.

May brings much the same weather, it remains ok.

Wind

Wind speed in Khon Kaen 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 Khon Kaen is gradually decreasing during April, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Khon Kaen based on historical data.
Last Year
Historical Data
Typically, there is a 20% chance of rain on an average day in April, with total rainfall of approximately 26 mm. The maximum amount of rainfall per day is around 17 mm, which is considered light rain. On average, there are about 6 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:
Khon Kaen wettest month is September, where a typical day has a 73% chance of precipitation and 234 mm of rainfall per day. December, on the other hand, is the driest month with a mere 6% chance of precipitation and 3 mm of rainfall per day.

How was the weather last April in Khon Kaen?

This is the weather in Khon Kaen in April 2024:
1 April
☁️
+37°C
2 April
☀️
+38°C
3 April
☀️
+38°C
4 April
☀️
+40°C
5 April
☀️
+40°C
6 April
☀️
+41°C
7 April
☁️
+39°C
8 April
☀️
+37°C
9 April
☀️
+36°C
10 April
☁️
+39°C
11 April
☀️
+40°C
12 April
☀️
+41°C
13 April
☀️
+39°C
14 April
☀️
+40°C
15 April
☀️
+42°C
16 April
☀️
+37°C
17 April
☀️
+40°C
18 April
☀️
+41°C
19 April
☀️
+41°C
20 April
☀️
+41°C
21 April
☀️
+41°C
22 April
☀️
+41°C
23 April
☀️
+40°C
24 April
☁️
+37°C
25 April
☀️
+39°C
26 April
☀️
+35°C
27 April
☀️
+36°C
28 April
☀️
+39°C
29 April
🌧️
+38°C
30 April
☁️
+33°C
In April 2024 Khon Kaen had 24 sunny days, 5 cloudy days, and 1 rainy days. The average maximum temperature was +39°C, with an absolute maximum of +42°C and a minimum of +33°C. The average humidity was 56%, with a maximum of 94% and a minimum of 18%. 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 Khon Kaen climate have been changing during last 43 years period.

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

The average temperature was the lowest in 2011 (+32°C) and the highest in 2019 (+34°C). The driest year was 2014 with only 843 mm of rainfall, and the wettest year was 2000 with 1396 mm.

FAQ

Frequently asked questions about the weather in Khon Kaen in April:

Is April a good time to visit Khon Kaen?

It’s always a good time to visit Khon Kaen, 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 Khon Kaen in April?

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

Is Khon Kaen rainy in April?

Khon Kaen 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 Khon Kaen in April?

Usually, it’s not very sunny in Khon Kaen 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 Khon Kaen

Source of the data

For this page, we’ve looked at the typical weather in Khon Kaen, 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.