Thailand in April

April is Thailand's 5th-best month (rank 5 of 12): its 19 destinations average 69/100, led by Ko Tao at 84 — 34°C and 12 rainy days — while Ayutthaya is warmer at 42°C and scores 48.

#5 of 12 months for Thailand · 19 destinations · updated September 2026 · climate normals from ERA5 reanalysis

🇹🇭 Thailand, month by month

69/100 in April

Where in Thailand in April

#	Place	Type	Feels-like high	Rain	Comfort	At its best
1	Ko Tao	Island	34°C	105 mm · 12 days	84 tier A	Yes
2	Hua Hin	Beach	40°C	80 mm · 14 days	83 tier A	—
3	Ko Pha Ngan	Island	36°C	114 mm · 12 days	82 tier A	—
4	Pattaya	Beach	40°C	87 mm · 13 days	82 tier A	—
5	Ko Phi Phi	Island	35°C	130 mm · 17 days	80 tier A	—
6	Ko Samui	Island	39°C	118 mm · 12 days	80 tier A	—
7	Ko Lanta	Island	40°C	146 mm · 20 days	79 tier B	—
8	Ko Lipe	Island	36°C	154 mm · 23 days	79 tier B	—
9	Phuket	Beach	40°C	125 mm · 17 days	79 tier B	—
10	Khao Lak	Beach	40°C	156 mm · 21 days	78 tier B	—
11	Ko Chang	Island	39°C	135 mm · 21 days	77 tier B	—
12	Krabi	Beach	42°C	183 mm · 22 days	76 tier B	—
13	Chiang Rai	City	39°C	105 mm · 9 days	59 tier D	—
14	Chiang Mai	City	41°C	28 mm · 4 days	54 tier D	—
15	Bangkok	City	42°C	70 mm · 9 days	51 tier D	—
16	Khao Sok	National park	39°C	177 mm · 21 days	51 tier D	—
17	Ayutthaya	City	42°C	66 mm · 11 days	48 tier F	—
18	Kanchanaburi	City	42°C	53 mm · 10 days	45 tier F	—
19	Pai	Trekking hub	38°C	53 mm · 7 days	45 tier F	—

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means April is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Thailand in April

Whale shark season · Ko Tao · 15 Mar – 31 May (usually)
Songkran · Ko Tao and 18 more places · 13–15 Apr
Full Moon Party · Ko Pha Ngan · 1 Jan – 31 Dec
Wan Lai · Pattaya · 16–20 Apr (usually)
Manta and whale shark season · Khao Lak · 1 Feb – 5 May (usually)
Hin Daeng and Hin Muang season · Ko Lanta · 1 Nov – 30 Apr (usually)
Wreck and reef diving season · Ko Chang · 1 Nov – 30 Apr (usually)

Seasons in force

Dry season · 13 places Smoke season · 6 places

Peak crowds at 12 of Thailand's 12 well-known places this month.

Better months for Thailand

January · 84/100 February · 84/100 December · 81/100 Weakest: September · 57/100

← Thailand in March Thailand in May →Best time to visit Thailand, month by month Compare: Ko Tao vs Hua Hin in April