Thailand (Chiang Mai) · May
Low seasonThailand · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 30° (86°)24– (75–)32 (90) | 34° (93°)29– (84–)36 (97) | 36° (97°)30– (86–)39 (102) | 37° (99°)30– (86–)40 (104) | 35° (95°)28– (82–)39 (102) | 34° (93°)29– (84–)37 (99) | 33° (91°)27– (81–)35 (95) | 32° (90°)27– (81–)35 (95) | 33° (91°)28– (82–)35 (95) | 32° (90°)27– (81–)34 (93) | 32° (90°)27– (81–)34 (93) | 30° (86°)24– (75–)32 (90) |
Ø night, range from coldest to warmest nightØ nightrange | 17° (63°)12– (54–)21 (70) | 18° (64°)14– (57–)22 (72) | 21° (70°)17– (63–)25 (77) | 24° (75°)20– (68–)27 (81) | 25° (77°)22– (72–)27 (81) | 25° (77°)23– (73–)26 (79) | 25° (77°)23– (73–)26 (79) | 25° (77°)23– (73–)26 (79) | 24° (75°)22– (72–)25 (77) | 24° (75°)21– (70–)25 (77) | 21° (70°)17– (63–)24 (75) | 18° (64°)13– (55–)23 (73) |
☀️Sunshine | 8h UV 7 | 10h UV 8 | 10h UV 9 | 9h UV 9 | 8h UV 8 | 5h UV 7 | 4h UV 6 | 4h UV 6 | 5h UV 7 | 6h UV 7 | 7h UV 7 | 7h UV 7 |
🌧Rain Days | 1d15mm (0.6") | 1d7mm (0.3") | 2d15mm (0.6") | 4d64mm (2.5") | 11d173mm (6.8") | 11d127mm (5.0") | 12d143mm (5.6") | 16d216mm (8.5") | 14d244mm (9.6") | 10d148mm (5.8") | 3d33mm (1.3") | 1d11mm (0.4") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
May in Thailand (Chiang Mai) sees highs of 35°C (95°F) — not ideal for heat-sensitive travellers. For more pleasant temperatures, consider January, February, March, November, and December.
Daytime highs reach 35°C (95°F) with a daily average of 29°C (84°F) — nights stay warm at 25°C (77°F). Peaks reach around 39°C (102°F), the coldest nights around 22°C (72°F). The sun shines an average of 8 hours per day; there are 11 rain days with 173 mm (6.8 in) total.
Sun protection, a hat, and plenty of water are essential at these temperatures. Plan activities for early morning or evening.
Packing list for Thailand (Chiang Mai) in May
- Airy linen or cotton clothing
- Light evening wear
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Light umbrella or rain poncho
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is May a good time to visit Thailand (Chiang Mai)?
- May is not an optimal month for Thailand (Chiang Mai) (Score: 64/100), but it is manageable. For better conditions, consider January, February, March, November, and December.
- How warm is it in Thailand (Chiang Mai) in May?
- In May, Thailand (Chiang Mai) sees daily highs of 35°C (95°F). Nights cool to 25°C (77°F), with a daily average of 29°C (84°F). Peaks reach around 39°C (102°F), the coldest nights around 22°C (72°F).
- How much rain falls in Thailand (Chiang Mai) in May?
- In May, Thailand (Chiang Mai) receives an average of 173 mm (6.8 in) of rain over 11 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Thailand (Chiang Mai) get in May?
- Thailand (Chiang Mai) averages 8 sunshine hours per day in May — close to the annual average.
