Weather in Phuket for May 2025
In general, the average temperature in Phuket at the beginning of May is 30.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.3 °C by the end of May.
Phuket experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 268.5 mm.
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Phuket in May average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 30° | 3 30° | 4 31° | |||
| 5  30° | 6 30° | 7 30° | 8 30° | 9  30° | 10 31° | 11 31° |
| 12 31° | 13  30° | 14 31° | 15 31° | 16 31° | 17 30° | 18 30° |
| 19 30° | 20 29° | 21 29° | 22 29° | 23 30° | 24 30° | 25 30° |
| 26 30° | 27 29° | 28 29° | 29 29° | 30 29° | 31 29° |
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Temperatures trend during May in Phuket
May weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate or heavy rain shower | 30° /26° | 5.8 mm | 7 | |
| 2 May | Moderate or heavy rain shower | 30° /26° | 12.2 mm | 7 | |
| 3 May | Moderate or heavy rain shower | 30° /26° | 10.8 mm | 7 | |
| 4 May | Moderate or heavy rain shower | 31° /26° | 7.7 mm | 7 | |
| 5 May | Patchy rain possible | 30° /26° | 5.1 mm | 7 | |
| 6 May | Moderate or heavy rain shower | 30° /25° | 18.5 mm | 7 | |
| 7 May | Moderate or heavy rain shower | 30° /26° | 8.1 mm | 7 | |
| 8 May | Moderate or heavy rain shower | 30° /26° | 5.6 mm | 7 | |
| 9 May | Partly cloudy | 30° /26° | 4.6 mm | 7 | |
| 10 May | Patchy rain possible | 31° /26° | 4.4 mm | 7 | |
| 11 May | Moderate or heavy rain shower | 31° /26° | 4.3 mm | 7 | |
| 12 May | Moderate or heavy rain shower | 31° /26° | 6.3 mm | 7 | |
| 13 May | Heavy rain at times | 30° /27° | 2.9 mm | 7 | |
| 14 May | Moderate or heavy rain shower | 31° /27° | 3.7 mm | 7 | |
| 15 May | Moderate or heavy rain shower | 31° /27° | 6.9 mm | 7 | |
| 16 May | Moderate or heavy rain shower | 31° /26° | 9.3 mm | 7 | |
| 17 May | Patchy rain possible | 30° /26° | 12.6 mm | 7 | |
| 18 May | Moderate rain at times | 30° /27° | 5.7 mm | 7 | |
| 19 May | Heavy rain at times | 30° /27° | 5.9 mm | 7 | |
| 20 May | Moderate or heavy rain shower | 29° /26° | 9.7 mm | 6 | |
| 21 May | Moderate or heavy rain shower | 29° /27° | 12.6 mm | 6 | |
| 22 May | Moderate or heavy rain shower | 29° /26° | 17.6 mm | 6 | |
| 23 May | Patchy rain possible | 30° /27° | 6.4 mm | 7 | |
| 24 May | Patchy rain possible | 30° /27° | 1.7 mm | 7 | |
| 25 May | Moderate rain at times | 30° /26° | 8.6 mm | 7 | |
| 26 May | Moderate or heavy rain shower | 30° /26° | 11.8 mm | 7 | |
| 27 May | Moderate or heavy rain shower | 29° /26° | 10 mm | 7 | |
| 28 May | Moderate or heavy rain shower | 29° /26° | 10.8 mm | 7 | |
| 29 May | Moderate or heavy rain shower | 29° /26° | 17.7 mm | 6 | |
| 30 May | Moderate or heavy rain shower | 29° /27° | 10.3 mm | 6 | |
| 31 May | Moderate or heavy rain shower | 29° /27° | 11 mm | 6 | |
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Guide for Phuket in May
Phuket, Thailand, in May experiences the onset of the southwest monsoon season, bringing significant changes in weather patterns. At the beginning of the month, the weather is typically warm and humid, with average daytime temperatures hovering around 30° to 32°.
The nights are slightly cooler, with temperatures dropping to around 25° to 27°. The humidity levels are high, often exceeding 80%, making the air feel quite heavy and sticky.
As May progresses, the frequency and intensity of rainfall increase. Thunderstorms become more common, especially in the afternoons and evenings. These storms can be quite intense, with heavy downpours and occasional lightning.
Despite the rain, there are still periods of sunshine, particularly in the mornings, allowing for some outdoor activities.
By the end of May, the weather becomes more unpredictable. The average daytime temperatures remain relatively stable, ranging from 30° to 31°, but the nights can feel slightly cooler, around 24° to 26°.
The increased rainfall contributes to lush, green landscapes, but it also means that outdoor plans may need to be flexible. The sea conditions can be rougher due to the monsoon winds, so caution is advised for water activities.
Overall, May in Phuket is characterized by warm temperatures, high humidity, and increasing rainfall, marking the transition into the wet season.
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Phuket in May - FAQ
What to pack to Phuket in May?
As you prepare for your trip to Phuket in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Phuket, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
May rainfall patterns in Phuket
UV exposure in Phuket during May
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Where is Phuket?Get accurate weather forecasts for Phuket, located at latitude 7.891 and longitude 98.398. Stay updated with localized weather information tailored for Phuket.