Koh Samui

Thailand Weather in April

Average temperatures, rainfall, sunshine and the best places to visit in Thailand in April.

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Bangkok Chiang Mai Koh Samui Hua Hin

Planning a getaway to Thailand this April and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Thailand in April

The weather in Thailand in April can be quite varied, with temperatures that range from very warm to very hot and precipitation levels ranging from moderate to heavy.

Temperatures

During the day the temperature is very warm in Koh Lipe at 30°C (86°F) and very hot in Sawankhalok at 40°C (104°F). As night falls, temperatures generally drop to 27°C (81°F) in Sawankhalok and 27°C (81°F) in Koh Lipe. On average, April is the warmest month of the year in Thailand. So be prepared and pack summer clothes.

For specific regional insights in Thailand, refer to the map provided below.

Precipitation

In April, precipitation varies across different areas. From moderate rainfall in Changwat Chiang Mai with an average of 31 mm (1.2 in) to heavy rainfall in Ban Lao Kok Kho with 309 mm (12 in).

Average sunshine

Most destinations offer generous amounts of sunshine this April. For example, Bangkok gets approximately 257 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Thailand by month

Pick a month to see the average temperature, rainfall and sunshine in Thailand — and find the best time to visit. (based on Bangkok)

January33°C (91°F) February34°C (93°F) March35°C (95°F) April37°C (99°F) May36°C (97°F) June35°C (95°F) This monthJuly34°C (93°F) August34°C (93°F) September34°C (93°F) October33°C (91°F) November34°C (93°F) December33°C (91°F)
Best Time to Visit Thailand →

Best Places to Visit in Thailand in April

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thailand.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Thailand

What is the weather like in April for some of the most popular destinations in Thailand?

Temperature range in Thailand (April)

Precipitation variation in Thailand (April)

Bangkok

In April Bangkok generally has extremely high temperatures with maximum daytime temperatures around 37°C (99°F), minimum nighttime temperatures around 28°C (82°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« March
April
May »
March
April
May
Max temperature
35°C (95°F)
37°C (99°F)
36°C (97°F)
Min temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Monthly sun hours
269 hours
257 hours
216 hours
Monthly rainfall
50 mm (2 in)
90 mm (3.5 in)
201 mm (7.9 in)
Monthly rainy days
3 days
6 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in Bangkok →

Chiang Mai

In April Chiang Mai generally has extremely high temperatures with maximum daytime temperatures around 38°C (100°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« March
April
May »
March
April
May
Max temperature
37°C (99°F)
38°C (100°F)
36°C (97°F)
Min temperature
20°C (68°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
295 hours
280 hours
199 hours
Monthly rainfall
14 mm (0.6 in)
32 mm (1.3 in)
117 mm (4.6 in)
Monthly rainy days
2 days
6 days
16 days
Weather conditions
unpleasant
poor
poor
Climate in Chiang Mai →

Patong Beach

In April Patong Beach generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« March
April
May »
March
April
May
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
210 hours
183 hours
151 hours
Monthly rainfall
90 mm (3.5 in)
139 mm (5.5 in)
247 mm (9.7 in)
Monthly rainy days
5 days
12 days
21 days
Weather conditions
pleasant
tolerable
poor
Climate in Patong Beach →

Hua Hin

In April Hua Hin generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 27°C (81°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« March
April
May »
March
April
May
Max temperature
33°C (91°F)
34°C (93°F)
33°C (91°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
276 hours
240 hours
195 hours
Monthly rainfall
56 mm (2.2 in)
64 mm (2.5 in)
105 mm (4.1 in)
Monthly rainy days
3 days
4 days
14 days
Weather conditions
pleasant
tolerable
tolerable
Climate in Hua Hin →

Ao Nang Beach

In April Ao Nang Beach generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« March
April
May »
March
April
May
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
202 hours
185 hours
156 hours
Monthly rainfall
92 mm (3.6 in)
158 mm (6.2 in)
263 mm (10 in)
Monthly rainy days
5 days
11 days
21 days
Weather conditions
pleasant
tolerable
poor
Climate in Ao Nang Beach →

Is your destination not in the list? Have a look at all destinations in Thailand.

In our records: Thailand April extremes

Notable April records observed across cities in Thailand in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest April day in Thailand reached 44°C (111°F) in Phitsanulok on April 24, 2016.

Popular cities in April

Day & night temperatures, rainfall and average weather in Thailand in April.

City Weather Day temp Night temp Rainfall
Bangkok 37°C (99°F) 28°C (82°F) 90 mm (3.5 in)
Chiang Mai 38°C (100°F) 24°C (75°F) 32 mm (1.3 in)
Koh Samui 31°C (88°F) 28°C (82°F) 106 mm (4.2 in)
Hua Hin 34°C (93°F) 27°C (81°F) 64 mm (2.5 in)
Koh Chang 31°C (88°F) 27°C (81°F) 133 mm (5.2 in)
Chiang Rai 36°C (97°F) 22°C (72°F) 118 mm (4.6 in)

Thailand weather in April: frequently asked questions

What is the weather like in Thailand in April?

Expect poor weather across Thailand in April. The popular destination of Bangkok averages 37°C (99°F) by day and 28°C (82°F) at night during this month.

What is the average temperature in Thailand in April?

Bangkok averages a daytime maximum of 37°C (99°F) in April, with overnight lows close to 28°C (82°F).

Does Thailand get a lot of rain in April?

Rain is generally moderate to light in Thailand during April, with Bangkok averaging close to 90 mm (3.5 in).

Is April a Good Time to Visit Thailand?

In our opinion, April may not be the ideal time to visit Thailand due to the typically poor weather in Bangkok.

Generally speaking, January and December provide tolerable weather in Bangkok. In contrast, February, March, April, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Thailand.

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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